./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--atheros--alx--alx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF --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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:35:19,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:35:19,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:35:19,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:35:19,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:35:19,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:35:19,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:35:19,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:35:19,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:35:19,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:35:19,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:35:19,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:35:19,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:35:19,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:35:19,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:35:19,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:35:19,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:35:19,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:35:19,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:35:19,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:35:19,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:35:19,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:35:19,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:35:19,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:35:19,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:35:19,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:35:19,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:35:19,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:35:19,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:35:19,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:35:19,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:35:19,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:35:19,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:35:19,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:35:19,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:35:19,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:35:19,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:35:19,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:35:19,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:35:19,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:35:19,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:35:19,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:35:19,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:35:19,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:35:19,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:35:19,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:35:19,769 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:35:19,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:35:19,770 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:35:19,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:35:19,770 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:35:19,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:35:19,778 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:35:19,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:35:19,778 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:35:19,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:35:19,779 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:35:19,779 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:35:19,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:35:19,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:35:19,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:35:19,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:35:19,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:35:19,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:35:19,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:35:19,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:35:19,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:35:19,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:35:19,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:35:19,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:35:19,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:19,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:35:19,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:35:19,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:35:19,785 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:35:19,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:35:19,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:35:19,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:35:19,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:35:19,786 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_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2021-11-13 01:35:20,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:35:20,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:35:20,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:35:20,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:35:20,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:35:20,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-13 01:35:20,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/2a8267991/c747ad42bb8b4aa2bef5717c915ec0d7/FLAG719cb2e8d [2021-11-13 01:35:21,195 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:35:21,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-13 01:35:21,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/2a8267991/c747ad42bb8b4aa2bef5717c915ec0d7/FLAG719cb2e8d [2021-11-13 01:35:21,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/2a8267991/c747ad42bb8b4aa2bef5717c915ec0d7 [2021-11-13 01:35:21,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:35:21,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:35:21,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:21,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:35:21,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:35:21,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:21" (1/1) ... [2021-11-13 01:35:21,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a2680b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:21, skipping insertion in model container [2021-11-13 01:35:21,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:21" (1/1) ... [2021-11-13 01:35:21,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:35:21,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:35:24,647 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:24,767 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:24,768 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:25,051 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:25,058 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:25,183 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:25,191 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:35:28,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-13 01:35:28,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-13 01:35:28,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-13 01:35:28,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-13 01:35:28,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-13 01:35:28,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-13 01:35:28,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-13 01:35:28,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-13 01:35:28,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-13 01:35:28,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-13 01:35:28,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-13 01:35:28,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-13 01:35:28,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-13 01:35:28,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-13 01:35:28,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-13 01:35:28,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-13 01:35:28,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-13 01:35:28,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-13 01:35:28,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-13 01:35:28,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-13 01:35:28,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-13 01:35:28,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-13 01:35:28,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-13 01:35:28,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-13 01:35:28,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-13 01:35:28,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-13 01:35:28,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-13 01:35:28,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-13 01:35:28,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-13 01:35:28,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-13 01:35:28,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-13 01:35:28,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-13 01:35:28,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-13 01:35:28,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-13 01:35:28,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-13 01:35:28,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-13 01:35:28,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-13 01:35:28,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-13 01:35:28,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-13 01:35:28,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-13 01:35:28,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-13 01:35:28,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-13 01:35:28,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-13 01:35:28,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-13 01:35:28,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-13 01:35:28,590 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-13 01:35:28,590 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-13 01:35:28,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-13 01:35:28,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-13 01:35:28,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-13 01:35:28,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-13 01:35:28,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-13 01:35:28,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-13 01:35:28,594 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-13 01:35:28,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-13 01:35:28,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-13 01:35:28,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-13 01:35:28,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-13 01:35:28,597 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-13 01:35:28,597 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-13 01:35:28,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-13 01:35:28,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-13 01:35:28,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-13 01:35:28,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-13 01:35:28,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-13 01:35:28,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-13 01:35:28,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-13 01:35:28,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-13 01:35:28,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-13 01:35:28,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-13 01:35:28,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-13 01:35:28,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-13 01:35:28,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-13 01:35:28,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-13 01:35:28,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-13 01:35:28,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-13 01:35:28,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-13 01:35:28,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-13 01:35:28,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-13 01:35:28,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-13 01:35:28,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-13 01:35:28,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-13 01:35:28,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-13 01:35:28,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-13 01:35:28,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-13 01:35:28,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-13 01:35:28,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-13 01:35:28,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-13 01:35:28,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:28,729 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 01:35:28,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5525d2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:28, skipping insertion in model container [2021-11-13 01:35:28,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:28,730 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:35:28,732 INFO L158 Benchmark]: Toolchain (without parser) took 7249.22ms. Allocated memory was 107.0MB in the beginning and 224.4MB in the end (delta: 117.4MB). Free memory was 65.4MB in the beginning and 130.8MB in the end (delta: -65.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-11-13 01:35:28,733 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:35:28,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7246.42ms. Allocated memory was 107.0MB in the beginning and 224.4MB in the end (delta: 117.4MB). Free memory was 65.4MB in the beginning and 130.8MB in the end (delta: -65.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-11-13 01:35:28,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7246.42ms. Allocated memory was 107.0MB in the beginning and 224.4MB in the end (delta: 117.4MB). Free memory was 65.4MB in the beginning and 130.8MB in the end (delta: -65.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8438]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF --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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:35:31,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:35:31,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:35:31,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:35:31,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:35:31,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:35:31,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:35:31,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:35:31,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:35:31,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:35:31,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:35:31,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:35:31,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:35:31,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:35:31,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:35:31,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:35:31,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:35:31,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:35:31,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:35:31,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:35:31,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:35:31,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:35:31,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:35:31,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:35:31,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:35:31,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:35:31,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:35:31,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:35:31,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:35:31,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:35:31,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:35:31,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:35:31,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:35:31,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:35:31,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:35:31,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:35:31,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:35:31,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:35:31,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:35:31,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:35:31,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:35:31,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:35:31,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:35:31,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:35:31,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:35:31,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:35:31,211 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:35:31,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:35:31,211 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:35:31,212 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:35:31,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:35:31,213 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:35:31,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:35:31,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:35:31,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:35:31,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:35:31,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:35:31,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:35:31,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:35:31,218 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:35:31,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:35:31,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:35:31,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:35:31,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:35:31,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:35:31,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:35:31,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:31,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:35:31,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:35:31,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:35:31,220 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:35:31,220 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:35:31,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:35:31,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:35:31,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:35:31,221 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2021-11-13 01:35:31,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:35:31,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:35:31,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:35:31,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:35:31,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:35:31,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-13 01:35:31,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/38426a5e9/e46b2793427e43f8acca10092174f686/FLAG87dc71fdf [2021-11-13 01:35:32,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:35:32,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-13 01:35:33,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/38426a5e9/e46b2793427e43f8acca10092174f686/FLAG87dc71fdf [2021-11-13 01:35:33,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/data/38426a5e9/e46b2793427e43f8acca10092174f686 [2021-11-13 01:35:33,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:35:33,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:35:33,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:33,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:35:33,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:35:33,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:33" (1/1) ... [2021-11-13 01:35:33,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e95ae5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:33, skipping insertion in model container [2021-11-13 01:35:33,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:33" (1/1) ... [2021-11-13 01:35:33,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:35:33,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:35:39,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-13 01:35:39,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-13 01:35:39,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-13 01:35:39,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-13 01:35:39,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-13 01:35:39,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-13 01:35:39,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-13 01:35:39,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-13 01:35:39,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-13 01:35:39,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-13 01:35:39,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-13 01:35:39,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-13 01:35:39,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-13 01:35:39,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-13 01:35:39,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-13 01:35:39,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-13 01:35:39,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-13 01:35:39,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-13 01:35:39,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-13 01:35:39,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-13 01:35:39,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-13 01:35:39,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-13 01:35:39,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-13 01:35:39,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-13 01:35:39,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-13 01:35:39,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-13 01:35:39,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-13 01:35:39,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-13 01:35:39,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-13 01:35:39,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-13 01:35:39,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-13 01:35:39,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-13 01:35:39,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-13 01:35:39,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-13 01:35:39,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-13 01:35:39,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-13 01:35:39,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-13 01:35:39,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-13 01:35:39,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-13 01:35:39,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-13 01:35:39,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-13 01:35:39,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-13 01:35:39,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-13 01:35:39,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-13 01:35:39,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-13 01:35:39,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-13 01:35:39,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-13 01:35:39,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-13 01:35:39,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-13 01:35:39,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-13 01:35:39,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-13 01:35:39,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-13 01:35:39,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-13 01:35:39,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-13 01:35:39,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-13 01:35:39,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-13 01:35:39,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-13 01:35:39,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-13 01:35:39,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-13 01:35:39,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-13 01:35:39,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-13 01:35:39,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-13 01:35:39,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-13 01:35:39,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-13 01:35:39,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-13 01:35:39,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-13 01:35:39,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-13 01:35:39,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-13 01:35:39,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-13 01:35:39,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-13 01:35:39,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-13 01:35:39,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-13 01:35:39,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-13 01:35:39,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-13 01:35:39,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-13 01:35:39,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-13 01:35:39,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-13 01:35:39,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-13 01:35:39,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-13 01:35:39,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-13 01:35:39,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-13 01:35:39,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-13 01:35:39,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-13 01:35:39,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-13 01:35:39,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-13 01:35:39,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-13 01:35:39,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-13 01:35:39,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-13 01:35:39,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:40,052 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:35:40,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:35:40,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-13 01:35:40,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-13 01:35:40,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-13 01:35:40,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-13 01:35:40,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-13 01:35:40,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-13 01:35:40,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-13 01:35:40,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-13 01:35:40,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-13 01:35:40,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-13 01:35:40,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-13 01:35:40,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-13 01:35:40,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-13 01:35:40,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-13 01:35:40,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-13 01:35:40,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-13 01:35:40,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-13 01:35:40,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-13 01:35:40,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-13 01:35:40,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-13 01:35:40,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-13 01:35:40,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-13 01:35:40,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-13 01:35:40,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-13 01:35:40,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-13 01:35:40,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-13 01:35:40,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-13 01:35:40,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-13 01:35:40,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-13 01:35:40,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-13 01:35:40,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-13 01:35:40,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-13 01:35:40,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-13 01:35:40,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-13 01:35:40,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-13 01:35:40,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-13 01:35:40,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-13 01:35:40,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-13 01:35:40,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-13 01:35:40,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-13 01:35:40,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-13 01:35:40,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-13 01:35:40,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-13 01:35:40,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-13 01:35:40,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-13 01:35:40,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-13 01:35:40,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-13 01:35:40,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-13 01:35:40,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-13 01:35:40,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-13 01:35:40,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-13 01:35:40,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-13 01:35:40,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-13 01:35:40,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-13 01:35:40,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-13 01:35:40,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-13 01:35:40,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-13 01:35:40,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-13 01:35:40,694 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-13 01:35:40,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-13 01:35:40,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-13 01:35:40,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-13 01:35:40,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-13 01:35:40,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-13 01:35:40,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-13 01:35:40,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-13 01:35:40,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-13 01:35:40,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-13 01:35:40,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-13 01:35:40,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-13 01:35:40,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-13 01:35:40,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-13 01:35:40,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-13 01:35:40,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-13 01:35:40,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-13 01:35:40,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-13 01:35:40,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-13 01:35:40,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-13 01:35:40,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-13 01:35:40,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-13 01:35:40,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-13 01:35:40,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-13 01:35:40,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-13 01:35:40,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-13 01:35:40,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-13 01:35:40,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-13 01:35:40,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-13 01:35:40,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-13 01:35:40,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:40,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:35:41,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-13 01:35:41,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-13 01:35:41,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-13 01:35:41,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-13 01:35:41,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-13 01:35:41,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-13 01:35:41,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-13 01:35:41,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-13 01:35:41,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-13 01:35:41,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-13 01:35:41,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-13 01:35:41,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-13 01:35:41,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-13 01:35:41,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-13 01:35:41,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-13 01:35:41,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-13 01:35:41,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-13 01:35:41,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-13 01:35:41,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-13 01:35:41,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-13 01:35:41,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-13 01:35:41,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-13 01:35:41,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-13 01:35:41,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-13 01:35:41,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-13 01:35:41,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-13 01:35:41,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-13 01:35:41,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-13 01:35:41,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-13 01:35:41,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-13 01:35:41,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-13 01:35:41,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-13 01:35:41,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-13 01:35:41,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-13 01:35:41,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-13 01:35:41,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-13 01:35:41,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-13 01:35:41,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-13 01:35:41,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-13 01:35:41,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-13 01:35:41,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-13 01:35:41,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-13 01:35:41,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-13 01:35:41,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-13 01:35:41,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-13 01:35:41,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-13 01:35:41,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-13 01:35:41,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-13 01:35:41,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-13 01:35:41,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-13 01:35:41,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-13 01:35:41,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-13 01:35:41,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-13 01:35:41,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-13 01:35:41,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-13 01:35:41,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-13 01:35:41,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-13 01:35:41,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-13 01:35:41,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-13 01:35:41,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-13 01:35:41,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-13 01:35:41,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-13 01:35:41,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-13 01:35:41,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-13 01:35:41,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-13 01:35:41,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-13 01:35:41,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-13 01:35:41,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-13 01:35:41,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-13 01:35:41,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-13 01:35:41,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-13 01:35:41,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-13 01:35:41,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-13 01:35:41,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-13 01:35:41,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-13 01:35:41,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-13 01:35:41,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-13 01:35:41,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-13 01:35:41,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-13 01:35:41,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-13 01:35:41,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-13 01:35:41,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-13 01:35:41,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-13 01:35:41,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-13 01:35:41,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-13 01:35:41,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-13 01:35:41,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-13 01:35:41,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-13 01:35:41,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:42,196 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:35:42,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42 WrapperNode [2021-11-13 01:35:42,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:42,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:42,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:35:42,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:35:42,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:42,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:42,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:42,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:35:42,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:35:42,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:35:42,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:42,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:42,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:42,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:43,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:43,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:43,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:43,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:35:43,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:35:43,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:35:43,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:35:43,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (1/1) ... [2021-11-13 01:35:43,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:35:43,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:35:43,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:35:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-11-13 01:35:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-11-13 01:35:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-13 01:35:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-13 01:35:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-13 01:35:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-13 01:35:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:35:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:35:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_142 [2021-11-13 01:35:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_142 [2021-11-13 01:35:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:35:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:35:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-13 01:35:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-13 01:35:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 01:35:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 01:35:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 01:35:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 01:35:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-13 01:35:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-13 01:35:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-13 01:35:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-13 01:35:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-13 01:35:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-13 01:35:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 01:35:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 01:35:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-13 01:35:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-13 01:35:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-13 01:35:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-13 01:35:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-13 01:35:43,306 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-13 01:35:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 01:35:43,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 01:35:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-13 01:35:43,306 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-13 01:35:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:35:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:35:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 01:35:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 01:35:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 01:35:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 01:35:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-13 01:35:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-13 01:35:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-13 01:35:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-13 01:35:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 01:35:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 01:35:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:35:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:35:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 01:35:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 01:35:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:35:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:35:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-13 01:35:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-13 01:35:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 01:35:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 01:35:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-13 01:35:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-13 01:35:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 01:35:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 01:35:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:35:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:35:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-13 01:35:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-13 01:35:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:35:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-13 01:35:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-13 01:35:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-13 01:35:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-13 01:35:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-13 01:35:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-13 01:35:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-13 01:35:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 01:35:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 01:35:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-13 01:35:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-13 01:35:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-13 01:35:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-13 01:35:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-13 01:35:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-13 01:35:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-13 01:35:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-13 01:35:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 01:35:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 01:35:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2021-11-13 01:35:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2021-11-13 01:35:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-13 01:35:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-13 01:35:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 01:35:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 01:35:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-13 01:35:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-13 01:35:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-13 01:35:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-13 01:35:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 01:35:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 01:35:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:35:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:35:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-13 01:35:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-13 01:35:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 01:35:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 01:35:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 01:35:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 01:35:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-13 01:35:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-13 01:35:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 01:35:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 01:35:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-13 01:35:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-13 01:35:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:35:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:35:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-13 01:35:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-13 01:35:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-13 01:35:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-13 01:35:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-13 01:35:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-13 01:35:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 01:35:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2021-11-13 01:35:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:35:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:35:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 01:35:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:35:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 01:35:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 01:35:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:35:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:35:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-13 01:35:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-13 01:35:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:35:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-13 01:35:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-13 01:35:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 01:35:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 01:35:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 01:35:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 01:35:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 01:35:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 01:35:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 01:35:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 01:35:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:35:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:35:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:35:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:35:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:35:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:35:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-13 01:35:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-13 01:35:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 01:35:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 01:35:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-13 01:35:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-13 01:35:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-13 01:35:43,323 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 01:35:43,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 01:35:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-13 01:35:43,323 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-13 01:35:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-13 01:35:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-13 01:35:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-13 01:35:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-13 01:35:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 01:35:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 01:35:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-11-13 01:35:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-11-13 01:35:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-13 01:35:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-13 01:35:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-13 01:35:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-13 01:35:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-13 01:35:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-13 01:35:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-13 01:35:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-13 01:35:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_141 [2021-11-13 01:35:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_141 [2021-11-13 01:35:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-13 01:35:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-13 01:35:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:35:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:35:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 01:35:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 01:35:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 01:35:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 01:35:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-13 01:35:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-13 01:35:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-13 01:35:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-13 01:35:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-13 01:35:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-13 01:35:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 01:35:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 01:35:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:35:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:35:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:35:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:35:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-13 01:35:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-13 01:35:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-13 01:35:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-13 01:35:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 01:35:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 01:35:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 01:35:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 01:35:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-13 01:35:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-13 01:35:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-13 01:35:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-13 01:35:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 01:35:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 01:35:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 01:35:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 01:35:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 01:35:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 01:35:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 01:35:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 01:35:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:35:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2021-11-13 01:35:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 01:35:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-13 01:35:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:35:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 01:35:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-13 01:35:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 01:35:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 01:35:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2021-11-13 01:35:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2021-11-13 01:35:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-13 01:35:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-13 01:35:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-13 01:35:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-13 01:35:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 01:35:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 01:35:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 01:35:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 01:35:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 01:35:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 01:35:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 01:35:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 01:35:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 01:35:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 01:35:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:35:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:35:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 01:35:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 01:35:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-13 01:35:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-13 01:35:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 01:35:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 01:35:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-13 01:35:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-13 01:35:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-13 01:35:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-13 01:35:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:35:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:35:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-13 01:35:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-13 01:35:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-13 01:35:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-13 01:35:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 01:35:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 01:35:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 01:35:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-13 01:35:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-13 01:35:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:35:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 01:35:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 01:35:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 01:35:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-13 01:35:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-13 01:35:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 01:35:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 01:35:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 01:35:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 01:35:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:35:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-13 01:35:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 01:35:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 01:35:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 01:35:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 01:35:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 01:35:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-13 01:35:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-13 01:35:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:35:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:35:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 01:35:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 01:35:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-13 01:35:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-13 01:35:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 01:35:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 01:35:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 01:35:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 01:35:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-13 01:35:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-13 01:35:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-13 01:35:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-13 01:35:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 01:35:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 01:35:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 01:35:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 01:35:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-13 01:35:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-13 01:35:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-13 01:35:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-13 01:35:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 01:35:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 01:35:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 01:35:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-13 01:35:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-13 01:35:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 01:35:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 01:35:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 01:35:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 01:35:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:35:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:35:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 01:35:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 01:35:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 01:35:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 01:35:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 01:35:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 01:35:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 01:35:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 01:35:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:35:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:35:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 01:35:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 01:35:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:35:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:35:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-13 01:35:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-13 01:35:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-13 01:35:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-13 01:35:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-13 01:35:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-13 01:35:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-13 01:35:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-13 01:35:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:35:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:35:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 01:35:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 01:35:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 01:35:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 01:35:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-13 01:35:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-13 01:35:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-13 01:35:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-13 01:35:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-13 01:35:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-13 01:35:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-13 01:35:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-13 01:35:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-13 01:35:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-13 01:35:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 01:35:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 01:35:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 01:35:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 01:35:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 01:35:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 01:35:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:35:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:35:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-13 01:35:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-13 01:35:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-13 01:35:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-13 01:35:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 01:35:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 01:35:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 01:35:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 01:35:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-13 01:35:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-13 01:35:44,751 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 01:36:28,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:36:28,954 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-13 01:36:28,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:28 BoogieIcfgContainer [2021-11-13 01:36:28,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:36:29,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:36:29,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:36:29,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:36:29,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:35:33" (1/3) ... [2021-11-13 01:36:29,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a54465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:29, skipping insertion in model container [2021-11-13 01:36:29,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:42" (2/3) ... [2021-11-13 01:36:29,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a54465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:29, skipping insertion in model container [2021-11-13 01:36:29,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:28" (3/3) ... [2021-11-13 01:36:29,071 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-13 01:36:29,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:36:29,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-11-13 01:36:29,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:36:29,175 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 [2021-11-13 01:36:29,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-13 01:36:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 3026 states, 1959 states have (on average 1.2557427258805514) internal successors, (2460), 2047 states have internal predecessors, (2460), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-11-13 01:36:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 01:36:29,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:29,285 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:29,286 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:29,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash -694614232, now seen corresponding path program 1 times [2021-11-13 01:36:29,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:29,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829792228] [2021-11-13 01:36:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:29,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:29,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:29,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:29,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:36:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:32,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:36:32,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:33,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:33,709 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:36:33,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829792228] [2021-11-13 01:36:33,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829792228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:33,710 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:33,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:36:33,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663562829] [2021-11-13 01:36:33,713 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:33,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:33,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:36:33,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:33,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:33,755 INFO L87 Difference]: Start difference. First operand has 3026 states, 1959 states have (on average 1.2557427258805514) internal successors, (2460), 2047 states have internal predecessors, (2460), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 01:36:34,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:34,494 INFO L93 Difference]: Finished difference Result 8904 states and 12659 transitions. [2021-11-13 01:36:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:36:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-13 01:36:34,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:34,579 INFO L225 Difference]: With dead ends: 8904 [2021-11-13 01:36:34,579 INFO L226 Difference]: Without dead ends: 5876 [2021-11-13 01:36:34,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:34,624 INFO L933 BasicCegarLoop]: 4890 mSDtfsCounter, 3944 mSDsluCounter, 13766 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 18656 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 104.89ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.54ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:34,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 18656 Invalid, 17 Unknown, 0 Unchecked, 104.89ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 88.54ms Time] [2021-11-13 01:36:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5876 states. [2021-11-13 01:36:35,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5876 to 5675. [2021-11-13 01:36:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5675 states, 3680 states have (on average 1.2279891304347825) internal successors, (4519), 3808 states have internal predecessors, (4519), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:36:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 7729 transitions. [2021-11-13 01:36:35,184 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 7729 transitions. Word has length 64 [2021-11-13 01:36:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:35,186 INFO L470 AbstractCegarLoop]: Abstraction has 5675 states and 7729 transitions. [2021-11-13 01:36:35,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 01:36:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 7729 transitions. [2021-11-13 01:36:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 01:36:35,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:35,198 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:35,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:35,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:36:35,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:35,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:35,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1207578239, now seen corresponding path program 1 times [2021-11-13 01:36:35,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:35,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218968459] [2021-11-13 01:36:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:35,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:35,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:35,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:35,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:36:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:38,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:36:38,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:38,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:39,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:36:39,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218968459] [2021-11-13 01:36:39,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218968459] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:39,495 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:39,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:36:39,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280348127] [2021-11-13 01:36:39,496 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:39,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:39,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:36:39,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:39,500 INFO L87 Difference]: Start difference. First operand 5675 states and 7729 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:36:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:39,969 INFO L93 Difference]: Finished difference Result 5675 states and 7729 transitions. [2021-11-13 01:36:39,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:36:39,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-13 01:36:39,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:40,015 INFO L225 Difference]: With dead ends: 5675 [2021-11-13 01:36:40,015 INFO L226 Difference]: Without dead ends: 5673 [2021-11-13 01:36:40,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:40,020 INFO L933 BasicCegarLoop]: 3992 mSDtfsCounter, 3939 mSDsluCounter, 7980 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 11972 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.54ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:40,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3941 Valid, 11972 Invalid, 2 Unknown, 0 Unchecked, 41.41ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.54ms Time] [2021-11-13 01:36:40,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5673 states. [2021-11-13 01:36:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5673 to 5673. [2021-11-13 01:36:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5673 states, 3679 states have (on average 1.2277792878499592) internal successors, (4517), 3806 states have internal predecessors, (4517), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:36:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7727 transitions. [2021-11-13 01:36:40,447 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7727 transitions. Word has length 70 [2021-11-13 01:36:40,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:40,449 INFO L470 AbstractCegarLoop]: Abstraction has 5673 states and 7727 transitions. [2021-11-13 01:36:40,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:36:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7727 transitions. [2021-11-13 01:36:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 01:36:40,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:40,455 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:40,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:40,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:36:40,668 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:40,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:40,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1736392530, now seen corresponding path program 1 times [2021-11-13 01:36:40,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:40,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050033386] [2021-11-13 01:36:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:40,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:40,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:40,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:40,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:36:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:43,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2659 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:36:43,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:43,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:44,445 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:36:44,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050033386] [2021-11-13 01:36:44,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050033386] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:44,446 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:44,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:36:44,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680185953] [2021-11-13 01:36:44,446 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:44,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:44,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:36:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:44,448 INFO L87 Difference]: Start difference. First operand 5673 states and 7727 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:36:44,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:44,757 INFO L93 Difference]: Finished difference Result 5673 states and 7727 transitions. [2021-11-13 01:36:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:36:44,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-13 01:36:44,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:44,809 INFO L225 Difference]: With dead ends: 5673 [2021-11-13 01:36:44,809 INFO L226 Difference]: Without dead ends: 5671 [2021-11-13 01:36:44,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:44,817 INFO L933 BasicCegarLoop]: 3990 mSDtfsCounter, 3934 mSDsluCounter, 3988 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3936 SdHoareTripleChecker+Valid, 7978 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:44,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3936 Valid, 7978 Invalid, 2 Unknown, 0 Unchecked, 25.50ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.06ms Time] [2021-11-13 01:36:44,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2021-11-13 01:36:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5671. [2021-11-13 01:36:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5671 states, 3678 states have (on average 1.227569331158238) internal successors, (4515), 3804 states have internal predecessors, (4515), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:36:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 5671 states and 7725 transitions. [2021-11-13 01:36:45,283 INFO L78 Accepts]: Start accepts. Automaton has 5671 states and 7725 transitions. Word has length 76 [2021-11-13 01:36:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:45,284 INFO L470 AbstractCegarLoop]: Abstraction has 5671 states and 7725 transitions. [2021-11-13 01:36:45,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:36:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 7725 transitions. [2021-11-13 01:36:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 01:36:45,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:45,287 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:45,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:45,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:36:45,508 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:45,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:45,508 INFO L85 PathProgramCache]: Analyzing trace with hash 489662195, now seen corresponding path program 1 times [2021-11-13 01:36:45,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:45,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889666547] [2021-11-13 01:36:45,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:45,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:45,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:45,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:45,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:36:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:47,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:36:47,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:48,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:49,399 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:36:49,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889666547] [2021-11-13 01:36:49,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889666547] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:49,399 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:49,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:36:49,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661659446] [2021-11-13 01:36:49,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:49,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:49,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:36:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:49,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:49,403 INFO L87 Difference]: Start difference. First operand 5671 states and 7725 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:36:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:49,792 INFO L93 Difference]: Finished difference Result 5671 states and 7725 transitions. [2021-11-13 01:36:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:36:49,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-13 01:36:49,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:49,845 INFO L225 Difference]: With dead ends: 5671 [2021-11-13 01:36:49,846 INFO L226 Difference]: Without dead ends: 5669 [2021-11-13 01:36:49,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:49,852 INFO L933 BasicCegarLoop]: 3988 mSDtfsCounter, 3926 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:49,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3928 Valid, 7974 Invalid, 2 Unknown, 0 Unchecked, 27.94ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.06ms Time] [2021-11-13 01:36:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5669 states. [2021-11-13 01:36:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5669 to 5669. [2021-11-13 01:36:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5669 states, 3677 states have (on average 1.2273592602665215) internal successors, (4513), 3802 states have internal predecessors, (4513), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:36:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7723 transitions. [2021-11-13 01:36:50,340 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7723 transitions. Word has length 82 [2021-11-13 01:36:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:50,341 INFO L470 AbstractCegarLoop]: Abstraction has 5669 states and 7723 transitions. [2021-11-13 01:36:50,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:36:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7723 transitions. [2021-11-13 01:36:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 01:36:50,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:50,343 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:50,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:50,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:36:50,568 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 734081698, now seen corresponding path program 1 times [2021-11-13 01:36:50,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:50,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890542714] [2021-11-13 01:36:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:50,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:50,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:50,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:50,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:36:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:53,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 2677 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:36:53,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:54,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:36:54,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:36:54,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890542714] [2021-11-13 01:36:54,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890542714] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:54,557 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:54,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:36:54,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736766358] [2021-11-13 01:36:54,558 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:54,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:54,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:36:54,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:54,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:54,560 INFO L87 Difference]: Start difference. First operand 5669 states and 7723 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:36:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:54,896 INFO L93 Difference]: Finished difference Result 5669 states and 7723 transitions. [2021-11-13 01:36:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:36:54,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-13 01:36:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:54,958 INFO L225 Difference]: With dead ends: 5669 [2021-11-13 01:36:54,959 INFO L226 Difference]: Without dead ends: 5667 [2021-11-13 01:36:54,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:54,965 INFO L933 BasicCegarLoop]: 3986 mSDtfsCounter, 3915 mSDsluCounter, 7968 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3917 SdHoareTripleChecker+Valid, 11954 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.35ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:54,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3917 Valid, 11954 Invalid, 2 Unknown, 0 Unchecked, 33.01ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.35ms Time] [2021-11-13 01:36:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5667 states. [2021-11-13 01:36:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5667 to 5667. [2021-11-13 01:36:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5667 states, 3676 states have (on average 1.2271490750816105) internal successors, (4511), 3800 states have internal predecessors, (4511), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:36:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 7721 transitions. [2021-11-13 01:36:55,397 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 7721 transitions. Word has length 88 [2021-11-13 01:36:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:55,399 INFO L470 AbstractCegarLoop]: Abstraction has 5667 states and 7721 transitions. [2021-11-13 01:36:55,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:36:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 7721 transitions. [2021-11-13 01:36:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 01:36:55,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:55,407 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:55,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:55,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:36:55,623 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:36:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash -332036335, now seen corresponding path program 1 times [2021-11-13 01:36:55,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:36:55,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329519799] [2021-11-13 01:36:55,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:55,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:36:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:36:55,627 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:36:55,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:36:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:58,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 01:36:58,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 01:37:00,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-13 01:37:02,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:02,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329519799] [2021-11-13 01:37:02,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329519799] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:37:02,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:37:02,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2021-11-13 01:37:02,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637627375] [2021-11-13 01:37:02,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:02,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:02,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:02,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:02,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:37:02,929 INFO L87 Difference]: Start difference. First operand 5667 states and 7721 transitions. Second operand has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-13 01:37:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:06,709 INFO L93 Difference]: Finished difference Result 11736 states and 16040 transitions. [2021-11-13 01:37:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:37:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 113 [2021-11-13 01:37:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:06,759 INFO L225 Difference]: With dead ends: 11736 [2021-11-13 01:37:06,760 INFO L226 Difference]: Without dead ends: 6086 [2021-11-13 01:37:06,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:37:06,795 INFO L933 BasicCegarLoop]: 4296 mSDtfsCounter, 774 mSDsluCounter, 33248 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2530.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 37544 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 84.23ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2693.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:06,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1056 Valid, 37544 Invalid, 498 Unknown, 0 Unchecked, 84.23ms Time], IncrementalHoareTripleChecker [3 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 2693.04ms Time] [2021-11-13 01:37:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-11-13 01:37:07,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 5667. [2021-11-13 01:37:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5667 states, 3676 states have (on average 1.2268770402611535) internal successors, (4510), 3799 states have internal predecessors, (4510), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:37:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 7720 transitions. [2021-11-13 01:37:07,275 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 7720 transitions. Word has length 113 [2021-11-13 01:37:07,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:07,275 INFO L470 AbstractCegarLoop]: Abstraction has 5667 states and 7720 transitions. [2021-11-13 01:37:07,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-13 01:37:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 7720 transitions. [2021-11-13 01:37:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 01:37:07,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:07,278 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:07,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:07,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:07,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:07,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash -557446801, now seen corresponding path program 1 times [2021-11-13 01:37:07,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:07,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036988679] [2021-11-13 01:37:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:07,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:07,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:07,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:07,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 01:37:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:10,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 2686 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:10,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:10,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:11,458 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:11,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036988679] [2021-11-13 01:37:11,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036988679] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:11,458 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:11,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:11,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659255752] [2021-11-13 01:37:11,458 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:11,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:11,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:11,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:11,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:11,460 INFO L87 Difference]: Start difference. First operand 5667 states and 7720 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:37:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:11,860 INFO L93 Difference]: Finished difference Result 5667 states and 7720 transitions. [2021-11-13 01:37:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:11,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-13 01:37:11,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:11,891 INFO L225 Difference]: With dead ends: 5667 [2021-11-13 01:37:11,891 INFO L226 Difference]: Without dead ends: 5665 [2021-11-13 01:37:11,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:11,897 INFO L933 BasicCegarLoop]: 3983 mSDtfsCounter, 3906 mSDsluCounter, 7962 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 11945 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.36ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:11,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3908 Valid, 11945 Invalid, 2 Unknown, 0 Unchecked, 22.22ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.36ms Time] [2021-11-13 01:37:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5665 states. [2021-11-13 01:37:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5665 to 5665. [2021-11-13 01:37:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 3675 states have (on average 1.2266666666666666) internal successors, (4508), 3797 states have internal predecessors, (4508), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-13 01:37:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 7718 transitions. [2021-11-13 01:37:12,326 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 7718 transitions. Word has length 94 [2021-11-13 01:37:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:12,327 INFO L470 AbstractCegarLoop]: Abstraction has 5665 states and 7718 transitions. [2021-11-13 01:37:12,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:37:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 7718 transitions. [2021-11-13 01:37:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-13 01:37:12,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:12,331 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:12,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:12,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:12,556 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:12,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1613949972, now seen corresponding path program 1 times [2021-11-13 01:37:12,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:12,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265623214] [2021-11-13 01:37:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:12,560 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:12,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:12,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 01:37:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:15,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:15,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-13 01:37:15,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-13 01:37:15,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:15,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265623214] [2021-11-13 01:37:15,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265623214] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:15,923 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:15,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:37:15,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321003225] [2021-11-13 01:37:15,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:15,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:37:15,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:15,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:37:15,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:37:15,924 INFO L87 Difference]: Start difference. First operand 5665 states and 7718 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-13 01:37:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:19,371 INFO L93 Difference]: Finished difference Result 14637 states and 19897 transitions. [2021-11-13 01:37:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:19,372 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), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 117 [2021-11-13 01:37:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:19,416 INFO L225 Difference]: With dead ends: 14637 [2021-11-13 01:37:19,417 INFO L226 Difference]: Without dead ends: 8993 [2021-11-13 01:37:19,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:37:19,451 INFO L933 BasicCegarLoop]: 5032 mSDtfsCounter, 6279 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2350.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 7289 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.21ms SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2928.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:19,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6279 Valid, 7289 Invalid, 1663 Unknown, 0 Unchecked, 31.21ms Time], IncrementalHoareTripleChecker [1658 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2928.08ms Time] [2021-11-13 01:37:19,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8993 states. [2021-11-13 01:37:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8993 to 8975. [2021-11-13 01:37:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 5838 states have (on average 1.2250770811921892) internal successors, (7152), 6018 states have internal predecessors, (7152), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 12186 transitions. [2021-11-13 01:37:20,145 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 12186 transitions. Word has length 117 [2021-11-13 01:37:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:20,146 INFO L470 AbstractCegarLoop]: Abstraction has 8975 states and 12186 transitions. [2021-11-13 01:37:20,146 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), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-13 01:37:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 12186 transitions. [2021-11-13 01:37:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 01:37:20,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:20,148 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:20,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-13 01:37:20,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:20,364 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash -576946536, now seen corresponding path program 1 times [2021-11-13 01:37:20,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:20,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466348912] [2021-11-13 01:37:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:20,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:20,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:20,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 01:37:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:22,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:22,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:23,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:24,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:24,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466348912] [2021-11-13 01:37:24,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466348912] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:24,173 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:24,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:24,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179445365] [2021-11-13 01:37:24,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:24,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:24,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:24,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:24,175 INFO L87 Difference]: Start difference. First operand 8975 states and 12186 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:37:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:24,709 INFO L93 Difference]: Finished difference Result 8975 states and 12186 transitions. [2021-11-13 01:37:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-13 01:37:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:24,751 INFO L225 Difference]: With dead ends: 8975 [2021-11-13 01:37:24,751 INFO L226 Difference]: Without dead ends: 8973 [2021-11-13 01:37:24,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:24,759 INFO L933 BasicCegarLoop]: 3981 mSDtfsCounter, 3901 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.26ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:24,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3903 Valid, 7960 Invalid, 2 Unknown, 0 Unchecked, 15.17ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.26ms Time] [2021-11-13 01:37:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8973 states. [2021-11-13 01:37:25,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8973 to 8973. [2021-11-13 01:37:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 5837 states have (on average 1.2249443207126949) internal successors, (7150), 6016 states have internal predecessors, (7150), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 12184 transitions. [2021-11-13 01:37:25,484 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 12184 transitions. Word has length 100 [2021-11-13 01:37:25,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:25,485 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 12184 transitions. [2021-11-13 01:37:25,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:37:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 12184 transitions. [2021-11-13 01:37:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 01:37:25,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:25,492 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-11-13 01:37:25,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:25,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:25,693 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2333842, now seen corresponding path program 1 times [2021-11-13 01:37:25,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:25,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433503945] [2021-11-13 01:37:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:25,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:25,698 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:25,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 01:37:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:28,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:28,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-13 01:37:28,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-13 01:37:29,148 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:29,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433503945] [2021-11-13 01:37:29,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433503945] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:29,149 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:29,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:37:29,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917376585] [2021-11-13 01:37:29,149 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:29,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:37:29,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:29,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:37:29,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:37:29,150 INFO L87 Difference]: Start difference. First operand 8973 states and 12184 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 01:37:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:29,902 INFO L93 Difference]: Finished difference Result 17919 states and 24335 transitions. [2021-11-13 01:37:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:37:29,902 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), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 126 [2021-11-13 01:37:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:29,947 INFO L225 Difference]: With dead ends: 17919 [2021-11-13 01:37:29,948 INFO L226 Difference]: Without dead ends: 8967 [2021-11-13 01:37:29,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:37:29,996 INFO L933 BasicCegarLoop]: 3977 mSDtfsCounter, 3961 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 246.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3961 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.06ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 291.29ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:29,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3961 Valid, 3977 Invalid, 6 Unknown, 0 Unchecked, 8.06ms Time], IncrementalHoareTripleChecker [5 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 291.29ms Time] [2021-11-13 01:37:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8967 states. [2021-11-13 01:37:30,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8967 to 8967. [2021-11-13 01:37:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8967 states, 5832 states have (on average 1.2244513031550068) internal successors, (7141), 6010 states have internal predecessors, (7141), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 12175 transitions. [2021-11-13 01:37:30,896 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 12175 transitions. Word has length 126 [2021-11-13 01:37:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:30,898 INFO L470 AbstractCegarLoop]: Abstraction has 8967 states and 12175 transitions. [2021-11-13 01:37:30,898 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), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 01:37:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 12175 transitions. [2021-11-13 01:37:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 01:37:30,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:30,900 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:30,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:31,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:31,113 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash 117081631, now seen corresponding path program 1 times [2021-11-13 01:37:31,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:31,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92296506] [2021-11-13 01:37:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:31,117 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:31,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:31,118 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:31,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 01:37:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:33,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 2704 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:33,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:34,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:34,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:34,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92296506] [2021-11-13 01:37:34,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92296506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:34,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:34,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:34,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088630045] [2021-11-13 01:37:34,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:34,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:34,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:34,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:34,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:34,927 INFO L87 Difference]: Start difference. First operand 8967 states and 12175 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:37:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:35,478 INFO L93 Difference]: Finished difference Result 8967 states and 12175 transitions. [2021-11-13 01:37:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:35,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-13 01:37:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:35,512 INFO L225 Difference]: With dead ends: 8967 [2021-11-13 01:37:35,512 INFO L226 Difference]: Without dead ends: 8965 [2021-11-13 01:37:35,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:35,516 INFO L933 BasicCegarLoop]: 3974 mSDtfsCounter, 3889 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3891 SdHoareTripleChecker+Valid, 11910 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.22ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:35,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3891 Valid, 11910 Invalid, 2 Unknown, 0 Unchecked, 18.49ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.22ms Time] [2021-11-13 01:37:35,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8965 states. [2021-11-13 01:37:36,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 8965. [2021-11-13 01:37:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8965 states, 5831 states have (on average 1.2243182987480707) internal successors, (7139), 6008 states have internal predecessors, (7139), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8965 states to 8965 states and 12173 transitions. [2021-11-13 01:37:36,198 INFO L78 Accepts]: Start accepts. Automaton has 8965 states and 12173 transitions. Word has length 106 [2021-11-13 01:37:36,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:36,199 INFO L470 AbstractCegarLoop]: Abstraction has 8965 states and 12173 transitions. [2021-11-13 01:37:36,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:37:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8965 states and 12173 transitions. [2021-11-13 01:37:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 01:37:36,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:36,202 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:36,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:36,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:36,416 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 846470626, now seen corresponding path program 1 times [2021-11-13 01:37:36,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:36,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950739431] [2021-11-13 01:37:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:36,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:36,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:36,422 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:36,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 01:37:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:38,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:38,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:39,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:40,340 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:40,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950739431] [2021-11-13 01:37:40,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950739431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:40,340 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:40,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:40,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943966107] [2021-11-13 01:37:40,340 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:40,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:40,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:40,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:40,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:40,342 INFO L87 Difference]: Start difference. First operand 8965 states and 12173 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:37:40,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:40,819 INFO L93 Difference]: Finished difference Result 8965 states and 12173 transitions. [2021-11-13 01:37:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:40,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-13 01:37:40,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:40,855 INFO L225 Difference]: With dead ends: 8965 [2021-11-13 01:37:40,856 INFO L226 Difference]: Without dead ends: 8963 [2021-11-13 01:37:40,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:40,863 INFO L933 BasicCegarLoop]: 3972 mSDtfsCounter, 3881 mSDsluCounter, 7940 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 11912 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.12ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:40,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3883 Valid, 11912 Invalid, 2 Unknown, 0 Unchecked, 17.15ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.12ms Time] [2021-11-13 01:37:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8963 states. [2021-11-13 01:37:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8963 to 8963. [2021-11-13 01:37:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8963 states, 5830 states have (on average 1.2241852487135505) internal successors, (7137), 6006 states have internal predecessors, (7137), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8963 states to 8963 states and 12171 transitions. [2021-11-13 01:37:41,748 INFO L78 Accepts]: Start accepts. Automaton has 8963 states and 12171 transitions. Word has length 108 [2021-11-13 01:37:41,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:41,749 INFO L470 AbstractCegarLoop]: Abstraction has 8963 states and 12171 transitions. [2021-11-13 01:37:41,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:37:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 8963 states and 12171 transitions. [2021-11-13 01:37:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 01:37:41,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:41,752 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:41,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:41,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:41,968 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:41,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1008193661, now seen corresponding path program 1 times [2021-11-13 01:37:41,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:41,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026461745] [2021-11-13 01:37:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:41,971 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:41,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:41,972 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:41,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 01:37:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:44,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 2716 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:44,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:45,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:45,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:45,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026461745] [2021-11-13 01:37:45,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026461745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:45,811 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:45,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:45,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155247960] [2021-11-13 01:37:45,811 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:45,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:45,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:45,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:45,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:45,813 INFO L87 Difference]: Start difference. First operand 8963 states and 12171 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:37:46,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:46,432 INFO L93 Difference]: Finished difference Result 8963 states and 12171 transitions. [2021-11-13 01:37:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:46,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-13 01:37:46,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:46,461 INFO L225 Difference]: With dead ends: 8963 [2021-11-13 01:37:46,461 INFO L226 Difference]: Without dead ends: 8961 [2021-11-13 01:37:46,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:46,467 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 3873 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 11906 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:46,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3875 Valid, 11906 Invalid, 2 Unknown, 0 Unchecked, 22.15ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.98ms Time] [2021-11-13 01:37:46,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2021-11-13 01:37:47,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 8961. [2021-11-13 01:37:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8961 states, 5829 states have (on average 1.2240521530279636) internal successors, (7135), 6004 states have internal predecessors, (7135), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8961 states to 8961 states and 12169 transitions. [2021-11-13 01:37:47,317 INFO L78 Accepts]: Start accepts. Automaton has 8961 states and 12169 transitions. Word has length 114 [2021-11-13 01:37:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:47,317 INFO L470 AbstractCegarLoop]: Abstraction has 8961 states and 12169 transitions. [2021-11-13 01:37:47,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:37:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 8961 states and 12169 transitions. [2021-11-13 01:37:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 01:37:47,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:47,320 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:47,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:47,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:47,544 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash -843679646, now seen corresponding path program 1 times [2021-11-13 01:37:47,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:47,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181165978] [2021-11-13 01:37:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:47,547 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:47,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:47,548 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 01:37:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:49,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 2725 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:49,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:50,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:51,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:51,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181165978] [2021-11-13 01:37:51,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181165978] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:51,557 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:51,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:51,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250158756] [2021-11-13 01:37:51,558 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:51,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:51,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:51,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:51,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:51,561 INFO L87 Difference]: Start difference. First operand 8961 states and 12169 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:37:52,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:52,208 INFO L93 Difference]: Finished difference Result 8961 states and 12169 transitions. [2021-11-13 01:37:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:52,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-13 01:37:52,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:52,233 INFO L225 Difference]: With dead ends: 8961 [2021-11-13 01:37:52,233 INFO L226 Difference]: Without dead ends: 8959 [2021-11-13 01:37:52,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:52,238 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 3865 mSDsluCounter, 7932 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 11900 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:52,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3867 Valid, 11900 Invalid, 2 Unknown, 0 Unchecked, 17.17ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.14ms Time] [2021-11-13 01:37:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8959 states. [2021-11-13 01:37:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8959 to 8959. [2021-11-13 01:37:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8959 states, 5828 states have (on average 1.2239190116678105) internal successors, (7133), 6002 states have internal predecessors, (7133), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8959 states to 8959 states and 12167 transitions. [2021-11-13 01:37:53,179 INFO L78 Accepts]: Start accepts. Automaton has 8959 states and 12167 transitions. Word has length 120 [2021-11-13 01:37:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:53,179 INFO L470 AbstractCegarLoop]: Abstraction has 8959 states and 12167 transitions. [2021-11-13 01:37:53,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:37:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8959 states and 12167 transitions. [2021-11-13 01:37:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 01:37:53,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:53,181 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:53,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-13 01:37:53,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:53,384 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:53,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:53,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1500529062, now seen corresponding path program 1 times [2021-11-13 01:37:53,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:53,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659837310] [2021-11-13 01:37:53,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:53,387 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:53,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:53,387 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:53,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 01:37:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:55,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:37:55,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:37:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:56,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:37:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:37:57,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:37:57,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659837310] [2021-11-13 01:37:57,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659837310] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:57,428 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:57,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:37:57,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266597867] [2021-11-13 01:37:57,428 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:57,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:37:57,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:37:57,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:37:57,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:37:57,430 INFO L87 Difference]: Start difference. First operand 8959 states and 12167 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:37:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:57,936 INFO L93 Difference]: Finished difference Result 8959 states and 12167 transitions. [2021-11-13 01:37:57,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:37:57,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-13 01:37:57,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:57,969 INFO L225 Difference]: With dead ends: 8959 [2021-11-13 01:37:57,969 INFO L226 Difference]: Without dead ends: 8957 [2021-11-13 01:37:57,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:57,976 INFO L933 BasicCegarLoop]: 3966 mSDtfsCounter, 3860 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 7930 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.11ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:57,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3862 Valid, 7930 Invalid, 2 Unknown, 0 Unchecked, 11.83ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.11ms Time] [2021-11-13 01:37:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8957 states. [2021-11-13 01:37:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8957 to 8957. [2021-11-13 01:37:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 5827 states have (on average 1.223785824609576) internal successors, (7131), 6000 states have internal predecessors, (7131), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-13 01:37:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12165 transitions. [2021-11-13 01:37:58,812 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12165 transitions. Word has length 126 [2021-11-13 01:37:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:58,813 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12165 transitions. [2021-11-13 01:37:58,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:37:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12165 transitions. [2021-11-13 01:37:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 01:37:58,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:58,816 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:58,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 01:37:59,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:37:59,018 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:37:59,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash 856937104, now seen corresponding path program 1 times [2021-11-13 01:37:59,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:37:59,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036576189] [2021-11-13 01:37:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:59,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:37:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:37:59,023 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:37:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 01:38:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:01,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:38:01,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 01:38:03,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 01:38:04,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:38:04,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036576189] [2021-11-13 01:38:04,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036576189] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:04,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [130633224] [2021-11-13 01:38:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:04,684 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:38:04,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:38:04,685 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:38:04,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-13 01:38:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:06,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 01:38:06,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:38:06,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:38:07,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [130633224] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:07,256 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:38:07,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [17, 17] total 22 [2021-11-13 01:38:07,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448053861] [2021-11-13 01:38:07,256 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:07,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:38:07,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:38:07,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:38:07,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:38:07,257 INFO L87 Difference]: Start difference. First operand 8957 states and 12165 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:38:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:08,067 INFO L93 Difference]: Finished difference Result 18195 states and 24810 transitions. [2021-11-13 01:38:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:38:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2021-11-13 01:38:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:08,094 INFO L225 Difference]: With dead ends: 18195 [2021-11-13 01:38:08,094 INFO L226 Difference]: Without dead ends: 9259 [2021-11-13 01:38:08,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:38:08,127 INFO L933 BasicCegarLoop]: 4012 mSDtfsCounter, 200 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 12010 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.99ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.25ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:08,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 12010 Invalid, 66 Unknown, 0 Unchecked, 11.99ms Time], IncrementalHoareTripleChecker [54 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 113.25ms Time] [2021-11-13 01:38:08,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2021-11-13 01:38:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 9247. [2021-11-13 01:38:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9247 states, 6025 states have (on average 1.2240663900414939) internal successors, (7375), 6198 states have internal predecessors, (7375), 2607 states have call successors, (2607), 601 states have call predecessors, (2607), 597 states have return successors, (2607), 2563 states have call predecessors, (2607), 2605 states have call successors, (2607) [2021-11-13 01:38:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9247 states to 9247 states and 12589 transitions. [2021-11-13 01:38:08,954 INFO L78 Accepts]: Start accepts. Automaton has 9247 states and 12589 transitions. Word has length 156 [2021-11-13 01:38:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:08,954 INFO L470 AbstractCegarLoop]: Abstraction has 9247 states and 12589 transitions. [2021-11-13 01:38:08,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:38:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 9247 states and 12589 transitions. [2021-11-13 01:38:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-13 01:38:08,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:08,957 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:09,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:09,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2021-11-13 01:38:09,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 01:38:09,359 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:38:09,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:09,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1117183932, now seen corresponding path program 1 times [2021-11-13 01:38:09,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:38:09,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260155845] [2021-11-13 01:38:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:09,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:38:09,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:38:09,363 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:38:09,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 01:38:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:11,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:38:11,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:38:12,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:38:13,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:38:13,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260155845] [2021-11-13 01:38:13,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260155845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:13,520 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:13,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:38:13,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052116564] [2021-11-13 01:38:13,523 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:13,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:38:13,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:38:13,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:38:13,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:38:13,525 INFO L87 Difference]: Start difference. First operand 9247 states and 12589 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:38:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:14,068 INFO L93 Difference]: Finished difference Result 9247 states and 12589 transitions. [2021-11-13 01:38:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:38:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-13 01:38:14,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:14,103 INFO L225 Difference]: With dead ends: 9247 [2021-11-13 01:38:14,104 INFO L226 Difference]: Without dead ends: 9245 [2021-11-13 01:38:14,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:38:14,110 INFO L933 BasicCegarLoop]: 3964 mSDtfsCounter, 3849 mSDsluCounter, 7924 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 11888 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.92ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:14,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3851 Valid, 11888 Invalid, 2 Unknown, 0 Unchecked, 15.43ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.92ms Time] [2021-11-13 01:38:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2021-11-13 01:38:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 9245. [2021-11-13 01:38:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9245 states, 6024 states have (on average 1.223937583001328) internal successors, (7373), 6196 states have internal predecessors, (7373), 2607 states have call successors, (2607), 601 states have call predecessors, (2607), 597 states have return successors, (2607), 2563 states have call predecessors, (2607), 2605 states have call successors, (2607) [2021-11-13 01:38:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9245 states to 9245 states and 12587 transitions. [2021-11-13 01:38:14,983 INFO L78 Accepts]: Start accepts. Automaton has 9245 states and 12587 transitions. Word has length 132 [2021-11-13 01:38:14,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:14,983 INFO L470 AbstractCegarLoop]: Abstraction has 9245 states and 12587 transitions. [2021-11-13 01:38:14,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:38:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 9245 states and 12587 transitions. [2021-11-13 01:38:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 01:38:14,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:14,986 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:15,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:15,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:38:15,187 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:38:15,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:15,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1318276360, now seen corresponding path program 1 times [2021-11-13 01:38:15,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:38:15,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153828150] [2021-11-13 01:38:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:15,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:38:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:38:15,193 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:38:15,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 01:38:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:17,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:38:17,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 01:38:19,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 01:38:20,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:38:20,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153828150] [2021-11-13 01:38:20,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153828150] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:20,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1745936427] [2021-11-13 01:38:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:20,969 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:38:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:38:20,970 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:38:20,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-13 01:38:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:22,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 01:38:22,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:38:24,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:38:25,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1745936427] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:25,768 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:38:25,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [17, 17] total 25 [2021-11-13 01:38:25,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660502796] [2021-11-13 01:38:25,769 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:25,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:38:25,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:38:25,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:38:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:38:25,770 INFO L87 Difference]: Start difference. First operand 9245 states and 12587 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:38:28,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:38:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:38,893 INFO L93 Difference]: Finished difference Result 18933 states and 25808 transitions. [2021-11-13 01:38:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:38:38,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 161 [2021-11-13 01:38:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:38,927 INFO L225 Difference]: With dead ends: 18933 [2021-11-13 01:38:38,928 INFO L226 Difference]: Without dead ends: 9709 [2021-11-13 01:38:38,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:38:38,962 INFO L933 BasicCegarLoop]: 3984 mSDtfsCounter, 3849 mSDsluCounter, 10428 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11054.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 14412 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.04ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11885.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:38,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3853 Valid, 14412 Invalid, 1669 Unknown, 0 Unchecked, 46.04ms Time], IncrementalHoareTripleChecker [3 Valid, 1665 Invalid, 1 Unknown, 0 Unchecked, 11885.87ms Time] [2021-11-13 01:38:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9709 states. [2021-11-13 01:38:39,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9709 to 9705. [2021-11-13 01:38:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9705 states, 6324 states have (on average 1.2215370018975331) internal successors, (7725), 6504 states have internal predecessors, (7725), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-13 01:38:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9705 states to 9705 states and 13115 transitions. [2021-11-13 01:38:39,778 INFO L78 Accepts]: Start accepts. Automaton has 9705 states and 13115 transitions. Word has length 161 [2021-11-13 01:38:39,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:39,779 INFO L470 AbstractCegarLoop]: Abstraction has 9705 states and 13115 transitions. [2021-11-13 01:38:39,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:38:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9705 states and 13115 transitions. [2021-11-13 01:38:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 01:38:39,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:39,782 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:39,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-11-13 01:38:40,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:40,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:38:40,196 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:38:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1318335942, now seen corresponding path program 1 times [2021-11-13 01:38:40,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:38:40,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637085975] [2021-11-13 01:38:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:40,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:38:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:38:40,201 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:38:40,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 01:38:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:42,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:38:42,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 01:38:44,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 01:38:46,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:38:46,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637085975] [2021-11-13 01:38:46,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637085975] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:46,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2122468163] [2021-11-13 01:38:46,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:46,129 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:38:46,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:38:46,130 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:38:46,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-11-13 01:39:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:01,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:39:01,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:39:01,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:39:02,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2122468163] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:02,389 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:39:02,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [17, 17] total 24 [2021-11-13 01:39:02,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012620131] [2021-11-13 01:39:02,390 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:02,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:39:02,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:02,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:39:02,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:39:02,391 INFO L87 Difference]: Start difference. First operand 9705 states and 13115 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 01:39:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:03,076 INFO L93 Difference]: Finished difference Result 9705 states and 13115 transitions. [2021-11-13 01:39:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:39:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2021-11-13 01:39:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:03,106 INFO L225 Difference]: With dead ends: 9705 [2021-11-13 01:39:03,106 INFO L226 Difference]: Without dead ends: 9703 [2021-11-13 01:39:03,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:39:03,113 INFO L933 BasicCegarLoop]: 3961 mSDtfsCounter, 46 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.31ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:03,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 11861 Invalid, 3 Unknown, 0 Unchecked, 12.21ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 24.31ms Time] [2021-11-13 01:39:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9703 states. [2021-11-13 01:39:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9703 to 9703. [2021-11-13 01:39:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9703 states, 6323 states have (on average 1.2209394274869525) internal successors, (7720), 6502 states have internal predecessors, (7720), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-13 01:39:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9703 states to 9703 states and 13110 transitions. [2021-11-13 01:39:03,926 INFO L78 Accepts]: Start accepts. Automaton has 9703 states and 13110 transitions. Word has length 161 [2021-11-13 01:39:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:03,926 INFO L470 AbstractCegarLoop]: Abstraction has 9703 states and 13110 transitions. [2021-11-13 01:39:03,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 01:39:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9703 states and 13110 transitions. [2021-11-13 01:39:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 01:39:03,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:03,930 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:03,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:04,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-11-13 01:39:04,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:04,357 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:04,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:04,357 INFO L85 PathProgramCache]: Analyzing trace with hash 188213418, now seen corresponding path program 1 times [2021-11-13 01:39:04,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:04,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703550534] [2021-11-13 01:39:04,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:04,360 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:04,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:04,363 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 01:39:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:06,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:39:06,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:08,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:08,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:08,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703550534] [2021-11-13 01:39:08,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703550534] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:08,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:08,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:39:08,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350975920] [2021-11-13 01:39:08,637 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:08,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:39:08,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:08,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:39:08,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:39:08,640 INFO L87 Difference]: Start difference. First operand 9703 states and 13110 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 01:39:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:09,355 INFO L93 Difference]: Finished difference Result 9703 states and 13110 transitions. [2021-11-13 01:39:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:39:09,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-13 01:39:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:09,384 INFO L225 Difference]: With dead ends: 9703 [2021-11-13 01:39:09,384 INFO L226 Difference]: Without dead ends: 9701 [2021-11-13 01:39:09,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:39:09,390 INFO L933 BasicCegarLoop]: 3959 mSDtfsCounter, 3841 mSDsluCounter, 3957 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 7916 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:09,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3843 Valid, 7916 Invalid, 2 Unknown, 0 Unchecked, 13.87ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.38ms Time] [2021-11-13 01:39:09,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2021-11-13 01:39:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9701. [2021-11-13 01:39:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9701 states, 6322 states have (on average 1.2208161974058842) internal successors, (7718), 6500 states have internal predecessors, (7718), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-13 01:39:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9701 states to 9701 states and 13108 transitions. [2021-11-13 01:39:10,209 INFO L78 Accepts]: Start accepts. Automaton has 9701 states and 13108 transitions. Word has length 138 [2021-11-13 01:39:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:10,210 INFO L470 AbstractCegarLoop]: Abstraction has 9701 states and 13108 transitions. [2021-11-13 01:39:10,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 01:39:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 9701 states and 13108 transitions. [2021-11-13 01:39:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-13 01:39:10,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:10,213 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:10,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:10,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:10,436 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:10,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:10,436 INFO L85 PathProgramCache]: Analyzing trace with hash -467353972, now seen corresponding path program 1 times [2021-11-13 01:39:10,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:10,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770778463] [2021-11-13 01:39:10,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:10,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:10,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:10,440 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:10,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 01:39:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:12,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:39:12,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 01:39:14,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 01:39:16,359 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:16,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770778463] [2021-11-13 01:39:16,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770778463] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:16,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1974654838] [2021-11-13 01:39:16,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:16,360 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:39:16,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:39:16,360 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:39:16,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-13 01:39:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:18,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:39:18,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:39:19,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:39:20,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1974654838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:20,639 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:39:20,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [17, 17] total 22 [2021-11-13 01:39:20,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487263930] [2021-11-13 01:39:20,640 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:20,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:39:20,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:20,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:39:20,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:20,641 INFO L87 Difference]: Start difference. First operand 9701 states and 13108 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 01:39:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:23,985 INFO L93 Difference]: Finished difference Result 19371 states and 26303 transitions. [2021-11-13 01:39:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:39:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 165 [2021-11-13 01:39:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:24,029 INFO L225 Difference]: With dead ends: 19371 [2021-11-13 01:39:24,029 INFO L226 Difference]: Without dead ends: 9691 [2021-11-13 01:39:24,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:24,065 INFO L933 BasicCegarLoop]: 3955 mSDtfsCounter, 6092 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1888.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6092 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.52ms SdHoareTripleChecker+Time, 1633 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2381.77ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:24,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6092 Valid, 3955 Invalid, 1634 Unknown, 0 Unchecked, 19.52ms Time], IncrementalHoareTripleChecker [1633 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2381.77ms Time] [2021-11-13 01:39:24,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9691 states. [2021-11-13 01:39:24,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9691 to 9691. [2021-11-13 01:39:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9691 states, 6313 states have (on average 1.2198637731664819) internal successors, (7701), 6490 states have internal predecessors, (7701), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-13 01:39:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9691 states to 9691 states and 13091 transitions. [2021-11-13 01:39:24,999 INFO L78 Accepts]: Start accepts. Automaton has 9691 states and 13091 transitions. Word has length 165 [2021-11-13 01:39:24,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:24,999 INFO L470 AbstractCegarLoop]: Abstraction has 9691 states and 13091 transitions. [2021-11-13 01:39:25,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 01:39:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9691 states and 13091 transitions. [2021-11-13 01:39:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 01:39:25,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:25,003 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:25,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:25,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:25,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:25,439 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash -856126382, now seen corresponding path program 1 times [2021-11-13 01:39:25,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:25,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093619811] [2021-11-13 01:39:25,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:25,442 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:25,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:25,443 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:25,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 01:39:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:27,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 2761 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:39:27,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:29,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:30,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:30,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093619811] [2021-11-13 01:39:30,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093619811] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:30,303 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:30,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 01:39:30,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171669667] [2021-11-13 01:39:30,304 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:30,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:39:30,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:30,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:39:30,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:39:30,306 INFO L87 Difference]: Start difference. First operand 9691 states and 13091 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 01:39:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:33,919 INFO L93 Difference]: Finished difference Result 9691 states and 13091 transitions. [2021-11-13 01:39:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:39:33,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-13 01:39:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:33,953 INFO L225 Difference]: With dead ends: 9691 [2021-11-13 01:39:33,953 INFO L226 Difference]: Without dead ends: 9689 [2021-11-13 01:39:33,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:39:33,959 INFO L933 BasicCegarLoop]: 3952 mSDtfsCounter, 6104 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2099.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6106 SdHoareTripleChecker+Valid, 11852 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.87ms SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2594.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:33,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6106 Valid, 11852 Invalid, 1636 Unknown, 0 Unchecked, 35.87ms Time], IncrementalHoareTripleChecker [1634 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2594.88ms Time] [2021-11-13 01:39:33,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2021-11-13 01:39:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 9689. [2021-11-13 01:39:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9689 states, 6312 states have (on average 1.2197401774397971) internal successors, (7699), 6488 states have internal predecessors, (7699), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-13 01:39:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9689 states to 9689 states and 13089 transitions. [2021-11-13 01:39:34,820 INFO L78 Accepts]: Start accepts. Automaton has 9689 states and 13089 transitions. Word has length 144 [2021-11-13 01:39:34,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:34,821 INFO L470 AbstractCegarLoop]: Abstraction has 9689 states and 13089 transitions. [2021-11-13 01:39:34,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 01:39:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9689 states and 13089 transitions. [2021-11-13 01:39:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 01:39:34,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:34,824 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:34,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:35,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:35,025 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:35,026 INFO L85 PathProgramCache]: Analyzing trace with hash 800347753, now seen corresponding path program 1 times [2021-11-13 01:39:35,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:35,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736811506] [2021-11-13 01:39:35,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:35,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:35,031 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:35,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 01:39:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:37,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 2973 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:39:37,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 01:39:39,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-13 01:39:40,862 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:40,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736811506] [2021-11-13 01:39:40,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736811506] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:40,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1795623605] [2021-11-13 01:39:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:40,863 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:39:40,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:39:40,864 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:39:40,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-11-13 01:39:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:47,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 2973 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:39:47,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-13 01:39:47,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-13 01:39:48,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1795623605] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:48,467 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:39:48,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 22 [2021-11-13 01:39:48,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342508127] [2021-11-13 01:39:48,468 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:48,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:39:48,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:48,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:39:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:48,469 INFO L87 Difference]: Start difference. First operand 9689 states and 13089 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-13 01:39:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:49,321 INFO L93 Difference]: Finished difference Result 19365 states and 26214 transitions. [2021-11-13 01:39:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:39:49,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 173 [2021-11-13 01:39:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:49,368 INFO L225 Difference]: With dead ends: 19365 [2021-11-13 01:39:49,368 INFO L226 Difference]: Without dead ends: 9697 [2021-11-13 01:39:49,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:49,398 INFO L933 BasicCegarLoop]: 3953 mSDtfsCounter, 2 mSDsluCounter, 7896 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11849 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.04ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:49,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 11849 Invalid, 12 Unknown, 0 Unchecked, 13.04ms Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 48.24ms Time] [2021-11-13 01:39:49,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-11-13 01:39:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 9697. [2021-11-13 01:39:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9697 states, 6318 states have (on average 1.219531497309275) internal successors, (7705), 6494 states have internal predecessors, (7705), 2697 states have call successors, (2697), 673 states have call predecessors, (2697), 669 states have return successors, (2697), 2649 states have call predecessors, (2697), 2695 states have call successors, (2697) [2021-11-13 01:39:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 13099 transitions. [2021-11-13 01:39:50,276 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 13099 transitions. Word has length 173 [2021-11-13 01:39:50,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:50,276 INFO L470 AbstractCegarLoop]: Abstraction has 9697 states and 13099 transitions. [2021-11-13 01:39:50,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-13 01:39:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 13099 transitions. [2021-11-13 01:39:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 01:39:50,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:50,280 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:50,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:50,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:50,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:50,709 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:50,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1718982470, now seen corresponding path program 1 times [2021-11-13 01:39:50,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:50,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313584575] [2021-11-13 01:39:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:50,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:50,713 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:50,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-13 01:39:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:53,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2770 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:39:53,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:54,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:39:55,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:55,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313584575] [2021-11-13 01:39:55,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313584575] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:55,134 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:55,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:39:55,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473130818] [2021-11-13 01:39:55,134 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:55,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:39:55,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:39:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:39:55,137 INFO L87 Difference]: Start difference. First operand 9697 states and 13099 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 01:39:55,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:55,914 INFO L93 Difference]: Finished difference Result 9697 states and 13099 transitions. [2021-11-13 01:39:55,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:39:55,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-13 01:39:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:55,942 INFO L225 Difference]: With dead ends: 9697 [2021-11-13 01:39:55,942 INFO L226 Difference]: Without dead ends: 9695 [2021-11-13 01:39:55,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:39:55,949 INFO L933 BasicCegarLoop]: 3950 mSDtfsCounter, 3820 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 7898 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:55,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3822 Valid, 7898 Invalid, 2 Unknown, 0 Unchecked, 13.93ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.57ms Time] [2021-11-13 01:39:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9695 states. [2021-11-13 01:39:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9695 to 9695. [2021-11-13 01:39:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9695 states, 6317 states have (on average 1.2194079468101948) internal successors, (7703), 6492 states have internal predecessors, (7703), 2697 states have call successors, (2697), 673 states have call predecessors, (2697), 669 states have return successors, (2697), 2649 states have call predecessors, (2697), 2695 states have call successors, (2697) [2021-11-13 01:39:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9695 states to 9695 states and 13097 transitions. [2021-11-13 01:39:56,824 INFO L78 Accepts]: Start accepts. Automaton has 9695 states and 13097 transitions. Word has length 150 [2021-11-13 01:39:56,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:56,825 INFO L470 AbstractCegarLoop]: Abstraction has 9695 states and 13097 transitions. [2021-11-13 01:39:56,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 01:39:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9695 states and 13097 transitions. [2021-11-13 01:39:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-13 01:39:56,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:56,829 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 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] [2021-11-13 01:39:56,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:57,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:57,044 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:39:57,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -147750983, now seen corresponding path program 1 times [2021-11-13 01:39:57,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:57,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122139099] [2021-11-13 01:39:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:57,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:57,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:57,048 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:57,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-13 01:39:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:59,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2972 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 01:39:59,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-13 01:40:01,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-13 01:40:03,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:03,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122139099] [2021-11-13 01:40:03,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122139099] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:03,131 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:03,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 21 [2021-11-13 01:40:03,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522388490] [2021-11-13 01:40:03,132 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:03,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-13 01:40:03,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:03,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-13 01:40:03,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:40:03,136 INFO L87 Difference]: Start difference. First operand 9695 states and 13097 transitions. Second operand has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) [2021-11-13 01:40:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:12,769 INFO L93 Difference]: Finished difference Result 20156 states and 27675 transitions. [2021-11-13 01:40:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:40:12,770 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) Word has length 179 [2021-11-13 01:40:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:12,819 INFO L225 Difference]: With dead ends: 20156 [2021-11-13 01:40:12,820 INFO L226 Difference]: Without dead ends: 13332 [2021-11-13 01:40:12,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=130, Invalid=926, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:40:12,852 INFO L933 BasicCegarLoop]: 5568 mSDtfsCounter, 2490 mSDsluCounter, 85175 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 965 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6244.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 90743 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 127.79ms SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6638.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:12,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2738 Valid, 90743 Invalid, 2283 Unknown, 0 Unchecked, 127.79ms Time], IncrementalHoareTripleChecker [965 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 6638.17ms Time] [2021-11-13 01:40:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13332 states. [2021-11-13 01:40:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13332 to 9715. [2021-11-13 01:40:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9715 states, 6329 states have (on average 1.2189919418549533) internal successors, (7715), 6504 states have internal predecessors, (7715), 2705 states have call successors, (2705), 673 states have call predecessors, (2705), 669 states have return successors, (2705), 2657 states have call predecessors, (2705), 2703 states have call successors, (2705) [2021-11-13 01:40:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9715 states to 9715 states and 13125 transitions. [2021-11-13 01:40:14,003 INFO L78 Accepts]: Start accepts. Automaton has 9715 states and 13125 transitions. Word has length 179 [2021-11-13 01:40:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:14,003 INFO L470 AbstractCegarLoop]: Abstraction has 9715 states and 13125 transitions. [2021-11-13 01:40:14,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) [2021-11-13 01:40:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 9715 states and 13125 transitions. [2021-11-13 01:40:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 01:40:14,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:14,007 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:40:14,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:14,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:40:14,220 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:40:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:14,220 INFO L85 PathProgramCache]: Analyzing trace with hash -146034124, now seen corresponding path program 1 times [2021-11-13 01:40:14,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:14,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408922892] [2021-11-13 01:40:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:14,224 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:14,225 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:14,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-13 01:40:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:16,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 2779 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:40:16,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:40:18,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:40:18,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:18,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408922892] [2021-11-13 01:40:18,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408922892] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:18,683 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:18,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:40:18,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455221519] [2021-11-13 01:40:18,684 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:18,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:40:18,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:40:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:40:18,685 INFO L87 Difference]: Start difference. First operand 9715 states and 13125 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:40:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:19,862 INFO L93 Difference]: Finished difference Result 21087 states and 28376 transitions. [2021-11-13 01:40:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:40:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-13 01:40:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:19,891 INFO L225 Difference]: With dead ends: 21087 [2021-11-13 01:40:19,891 INFO L226 Difference]: Without dead ends: 11393 [2021-11-13 01:40:19,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:40:19,912 INFO L933 BasicCegarLoop]: 4328 mSDtfsCounter, 3503 mSDsluCounter, 5699 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.45ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.89ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:19,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 10027 Invalid, 12 Unknown, 0 Unchecked, 15.45ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 37.89ms Time] [2021-11-13 01:40:19,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11393 states. [2021-11-13 01:40:21,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11393 to 11379. [2021-11-13 01:40:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11379 states, 7350 states have (on average 1.2102040816326531) internal successors, (8895), 7550 states have internal predecessors, (8895), 3173 states have call successors, (3173), 849 states have call predecessors, (3173), 845 states have return successors, (3177), 3119 states have call predecessors, (3177), 3171 states have call successors, (3177) [2021-11-13 01:40:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11379 states to 11379 states and 15245 transitions. [2021-11-13 01:40:21,163 INFO L78 Accepts]: Start accepts. Automaton has 11379 states and 15245 transitions. Word has length 156 [2021-11-13 01:40:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:21,163 INFO L470 AbstractCegarLoop]: Abstraction has 11379 states and 15245 transitions. [2021-11-13 01:40:21,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:40:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11379 states and 15245 transitions. [2021-11-13 01:40:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-13 01:40:21,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:21,166 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:40:21,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:21,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:40:21,367 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:40:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 242229089, now seen corresponding path program 1 times [2021-11-13 01:40:21,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:21,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655081906] [2021-11-13 01:40:21,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:21,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:21,371 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-13 01:40:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:23,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:40:23,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 01:40:25,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 01:40:27,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:27,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655081906] [2021-11-13 01:40:27,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655081906] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:27,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1928673447] [2021-11-13 01:40:27,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:27,427 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:40:27,431 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:40:27,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-13 01:40:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:43,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 01:40:43,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:40:45,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 01:40:46,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1928673447] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:46,768 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:40:46,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [17, 17] total 25 [2021-11-13 01:40:46,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769070092] [2021-11-13 01:40:46,769 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:46,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:40:46,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:46,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:40:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:40:46,771 INFO L87 Difference]: Start difference. First operand 11379 states and 15245 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:40:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:48,166 INFO L93 Difference]: Finished difference Result 11571 states and 15427 transitions. [2021-11-13 01:40:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:40:48,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 181 [2021-11-13 01:40:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:48,198 INFO L225 Difference]: With dead ends: 11571 [2021-11-13 01:40:48,199 INFO L226 Difference]: Without dead ends: 11569 [2021-11-13 01:40:48,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:40:48,205 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 3807 mSDsluCounter, 15916 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 19886 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.09ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:48,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3811 Valid, 19886 Invalid, 23 Unknown, 0 Unchecked, 25.09ms Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 83.07ms Time] [2021-11-13 01:40:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11569 states. [2021-11-13 01:40:49,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11569 to 11567. [2021-11-13 01:40:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 7478 states have (on average 1.208478202728002) internal successors, (9037), 7686 states have internal predecessors, (9037), 3189 states have call successors, (3189), 893 states have call predecessors, (3189), 889 states have return successors, (3193), 3135 states have call predecessors, (3193), 3187 states have call successors, (3193) [2021-11-13 01:40:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 15419 transitions. [2021-11-13 01:40:49,573 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 15419 transitions. Word has length 181 [2021-11-13 01:40:49,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:49,574 INFO L470 AbstractCegarLoop]: Abstraction has 11567 states and 15419 transitions. [2021-11-13 01:40:49,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:40:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 15419 transitions. [2021-11-13 01:40:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-13 01:40:49,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:49,576 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:40:49,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:49,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:49,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:49,977 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:40:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:49,977 INFO L85 PathProgramCache]: Analyzing trace with hash 550404721, now seen corresponding path program 1 times [2021-11-13 01:40:49,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:49,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671685898] [2021-11-13 01:40:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:49,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:49,981 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:49,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-13 01:40:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:52,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:40:52,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-13 01:40:54,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 01:40:55,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:55,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671685898] [2021-11-13 01:40:55,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671685898] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:55,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1515934577] [2021-11-13 01:40:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:55,966 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:55,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:40:55,967 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:40:55,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-13 01:41:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:02,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:02,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-13 01:41:03,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-13 01:41:04,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1515934577] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:41:04,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525418597] [2021-11-13 01:41:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:04,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:41:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:41:04,644 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:41:04,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-13 01:41:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:10,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:41:10,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-13 01:41:11,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 01:41:12,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525418597] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:41:12,252 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-13 01:41:12,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 5, 5, 17, 17] total 26 [2021-11-13 01:41:12,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019882823] [2021-11-13 01:41:12,252 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-13 01:41:12,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-13 01:41:12,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:12,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-13 01:41:12,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:41:12,254 INFO L87 Difference]: Start difference. First operand 11567 states and 15419 transitions. Second operand has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) [2021-11-13 01:41:20,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:20,187 INFO L93 Difference]: Finished difference Result 23176 states and 30965 transitions. [2021-11-13 01:41:20,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:41:20,188 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) Word has length 185 [2021-11-13 01:41:20,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:20,226 INFO L225 Difference]: With dead ends: 23176 [2021-11-13 01:41:20,226 INFO L226 Difference]: Without dead ends: 11629 [2021-11-13 01:41:20,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=198, Invalid=1284, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 01:41:20,259 INFO L933 BasicCegarLoop]: 3929 mSDtfsCounter, 86 mSDsluCounter, 70438 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4331.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 74367 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 80.20ms SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4537.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:20,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 74367 Invalid, 1364 Unknown, 0 Unchecked, 80.20ms Time], IncrementalHoareTripleChecker [261 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 4537.98ms Time] [2021-11-13 01:41:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2021-11-13 01:41:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11605. [2021-11-13 01:41:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11605 states, 7504 states have (on average 1.2077558635394456) internal successors, (9063), 7712 states have internal predecessors, (9063), 3201 states have call successors, (3201), 893 states have call predecessors, (3201), 889 states have return successors, (3205), 3147 states have call predecessors, (3205), 3199 states have call successors, (3205) [2021-11-13 01:41:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11605 states to 11605 states and 15469 transitions. [2021-11-13 01:41:21,529 INFO L78 Accepts]: Start accepts. Automaton has 11605 states and 15469 transitions. Word has length 185 [2021-11-13 01:41:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:21,530 INFO L470 AbstractCegarLoop]: Abstraction has 11605 states and 15469 transitions. [2021-11-13 01:41:21,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) [2021-11-13 01:41:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 11605 states and 15469 transitions. [2021-11-13 01:41:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-13 01:41:21,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:21,532 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:21,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:21,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:22,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-11-13 01:41:22,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:41:22,132 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:41:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:22,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1084863694, now seen corresponding path program 1 times [2021-11-13 01:41:22,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:22,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301796656] [2021-11-13 01:41:22,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:22,137 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:22,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:22,137 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-13 01:41:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:24,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 2788 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:24,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:41:26,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:41:26,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:26,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301796656] [2021-11-13 01:41:26,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301796656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:26,636 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:26,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:26,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723194081] [2021-11-13 01:41:26,636 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:26,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:26,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:26,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:26,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:26,638 INFO L87 Difference]: Start difference. First operand 11605 states and 15469 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:41:27,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:27,686 INFO L93 Difference]: Finished difference Result 11605 states and 15469 transitions. [2021-11-13 01:41:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:27,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-13 01:41:27,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:27,712 INFO L225 Difference]: With dead ends: 11605 [2021-11-13 01:41:27,712 INFO L226 Difference]: Without dead ends: 11603 [2021-11-13 01:41:27,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:27,716 INFO L933 BasicCegarLoop]: 3946 mSDtfsCounter, 3801 mSDsluCounter, 7888 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:27,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3803 Valid, 11834 Invalid, 2 Unknown, 0 Unchecked, 16.68ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.99ms Time] [2021-11-13 01:41:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11603 states. [2021-11-13 01:41:28,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11603 to 11603. [2021-11-13 01:41:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11603 states, 7503 states have (on average 1.2076502732240437) internal successors, (9061), 7710 states have internal predecessors, (9061), 3201 states have call successors, (3201), 893 states have call predecessors, (3201), 889 states have return successors, (3205), 3147 states have call predecessors, (3205), 3199 states have call successors, (3205) [2021-11-13 01:41:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11603 states to 11603 states and 15467 transitions. [2021-11-13 01:41:28,870 INFO L78 Accepts]: Start accepts. Automaton has 11603 states and 15467 transitions. Word has length 162 [2021-11-13 01:41:28,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:28,870 INFO L470 AbstractCegarLoop]: Abstraction has 11603 states and 15467 transitions. [2021-11-13 01:41:28,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:41:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 11603 states and 15467 transitions. [2021-11-13 01:41:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-13 01:41:28,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:28,873 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:28,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:29,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:29,096 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:41:29,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:29,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2125609560, now seen corresponding path program 1 times [2021-11-13 01:41:29,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:29,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567179346] [2021-11-13 01:41:29,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:29,100 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:29,102 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:29,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-13 01:41:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:31,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3032 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 01:41:31,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-13 01:41:33,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-13 01:41:36,065 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:36,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567179346] [2021-11-13 01:41:36,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567179346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:36,065 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:36,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 19] imperfect sequences [] total 25 [2021-11-13 01:41:36,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223999233] [2021-11-13 01:41:36,066 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:36,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 01:41:36,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:36,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 01:41:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:41:36,067 INFO L87 Difference]: Start difference. First operand 11603 states and 15467 transitions. Second operand has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) [2021-11-13 01:41:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:47,607 INFO L93 Difference]: Finished difference Result 26642 states and 36071 transitions. [2021-11-13 01:41:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:41:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) Word has length 202 [2021-11-13 01:41:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:47,646 INFO L225 Difference]: With dead ends: 26642 [2021-11-13 01:41:47,646 INFO L226 Difference]: Without dead ends: 15072 [2021-11-13 01:41:47,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=192, Invalid=1614, Unknown=0, NotChecked=0, Total=1806 [2021-11-13 01:41:47,669 INFO L933 BasicCegarLoop]: 5329 mSDtfsCounter, 2695 mSDsluCounter, 91945 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 1118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6890.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 97274 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 116.73ms SdHoareTripleChecker+Time, 1118 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7314.20ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:47,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2944 Valid, 97274 Invalid, 2619 Unknown, 0 Unchecked, 116.73ms Time], IncrementalHoareTripleChecker [1118 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 7314.20ms Time] [2021-11-13 01:41:47,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2021-11-13 01:41:48,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 11616. [2021-11-13 01:41:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11616 states, 7513 states have (on average 1.2073738852655398) internal successors, (9071), 7721 states have internal predecessors, (9071), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-13 01:41:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11616 states to 11616 states and 15483 transitions. [2021-11-13 01:41:48,955 INFO L78 Accepts]: Start accepts. Automaton has 11616 states and 15483 transitions. Word has length 202 [2021-11-13 01:41:48,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:48,956 INFO L470 AbstractCegarLoop]: Abstraction has 11616 states and 15483 transitions. [2021-11-13 01:41:48,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) [2021-11-13 01:41:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 11616 states and 15483 transitions. [2021-11-13 01:41:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 01:41:48,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:48,959 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:49,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:49,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:49,180 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:41:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1775415653, now seen corresponding path program 1 times [2021-11-13 01:41:49,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:49,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087453034] [2021-11-13 01:41:49,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:49,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:49,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:49,184 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:49,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-13 01:41:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:51,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:51,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:41:53,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:41:54,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:54,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087453034] [2021-11-13 01:41:54,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087453034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:54,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:54,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:54,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924259518] [2021-11-13 01:41:54,285 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:54,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:54,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:54,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:54,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:54,287 INFO L87 Difference]: Start difference. First operand 11616 states and 15483 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 01:41:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:55,653 INFO L93 Difference]: Finished difference Result 11616 states and 15483 transitions. [2021-11-13 01:41:55,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-13 01:41:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:55,693 INFO L225 Difference]: With dead ends: 11616 [2021-11-13 01:41:55,693 INFO L226 Difference]: Without dead ends: 11614 [2021-11-13 01:41:55,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:55,701 INFO L933 BasicCegarLoop]: 3944 mSDtfsCounter, 3793 mSDsluCounter, 7884 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 11828 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.61ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:55,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3795 Valid, 11828 Invalid, 2 Unknown, 0 Unchecked, 21.11ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.61ms Time] [2021-11-13 01:41:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11614 states. [2021-11-13 01:41:57,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11614 to 11614. [2021-11-13 01:41:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11614 states, 7512 states have (on average 1.2072683706070289) internal successors, (9069), 7719 states have internal predecessors, (9069), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-13 01:41:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11614 states to 11614 states and 15481 transitions. [2021-11-13 01:41:57,222 INFO L78 Accepts]: Start accepts. Automaton has 11614 states and 15481 transitions. Word has length 168 [2021-11-13 01:41:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:57,223 INFO L470 AbstractCegarLoop]: Abstraction has 11614 states and 15481 transitions. [2021-11-13 01:41:57,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 01:41:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 11614 states and 15481 transitions. [2021-11-13 01:41:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-13 01:41:57,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:57,227 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:57,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:57,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:57,452 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:41:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash -289094349, now seen corresponding path program 1 times [2021-11-13 01:41:57,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:57,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2856098] [2021-11-13 01:41:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:57,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:57,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:57,457 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:57,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-13 01:42:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:00,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2806 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:42:00,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:42:02,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:42:03,156 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:03,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2856098] [2021-11-13 01:42:03,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2856098] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:03,157 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:03,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:42:03,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460151426] [2021-11-13 01:42:03,157 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:03,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:42:03,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:03,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:42:03,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:42:03,159 INFO L87 Difference]: Start difference. First operand 11614 states and 15481 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 01:42:04,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:04,583 INFO L93 Difference]: Finished difference Result 11614 states and 15481 transitions. [2021-11-13 01:42:04,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:04,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-13 01:42:04,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:04,616 INFO L225 Difference]: With dead ends: 11614 [2021-11-13 01:42:04,616 INFO L226 Difference]: Without dead ends: 11612 [2021-11-13 01:42:04,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:04,622 INFO L933 BasicCegarLoop]: 3942 mSDtfsCounter, 3785 mSDsluCounter, 7880 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 11822 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.56ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:04,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3787 Valid, 11822 Invalid, 2 Unknown, 0 Unchecked, 21.09ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.56ms Time] [2021-11-13 01:42:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11612 states. [2021-11-13 01:42:06,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11612 to 11612. [2021-11-13 01:42:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11612 states, 7511 states have (on average 1.207162827852483) internal successors, (9067), 7717 states have internal predecessors, (9067), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-13 01:42:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 11612 states and 15479 transitions. [2021-11-13 01:42:06,190 INFO L78 Accepts]: Start accepts. Automaton has 11612 states and 15479 transitions. Word has length 174 [2021-11-13 01:42:06,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:06,190 INFO L470 AbstractCegarLoop]: Abstraction has 11612 states and 15479 transitions. [2021-11-13 01:42:06,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 01:42:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 11612 states and 15479 transitions. [2021-11-13 01:42:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-13 01:42:06,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:06,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:06,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:06,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:06,393 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:06,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1103231586, now seen corresponding path program 1 times [2021-11-13 01:42:06,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:06,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861192373] [2021-11-13 01:42:06,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:06,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:06,399 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:06,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-13 01:42:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:09,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:42:09,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:42:11,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 01:42:11,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:12,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861192373] [2021-11-13 01:42:12,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861192373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:12,000 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:12,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:42:12,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253856341] [2021-11-13 01:42:12,000 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:12,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:42:12,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:12,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:42:12,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:42:12,002 INFO L87 Difference]: Start difference. First operand 11612 states and 15479 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:42:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:13,672 INFO L93 Difference]: Finished difference Result 11612 states and 15479 transitions. [2021-11-13 01:42:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-13 01:42:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:13,710 INFO L225 Difference]: With dead ends: 11612 [2021-11-13 01:42:13,710 INFO L226 Difference]: Without dead ends: 11440 [2021-11-13 01:42:13,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:13,718 INFO L933 BasicCegarLoop]: 3941 mSDtfsCounter, 3776 mSDsluCounter, 7882 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3776 SdHoareTripleChecker+Valid, 11823 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:13,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3776 Valid, 11823 Invalid, 1 Unknown, 0 Unchecked, 22.11ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 4.84ms Time] [2021-11-13 01:42:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11440 states. [2021-11-13 01:42:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11440 to 11440. [2021-11-13 01:42:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11440 states, 7406 states have (on average 1.209424790710235) internal successors, (8957), 7609 states have internal predecessors, (8957), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3105 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-13 01:42:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11440 states to 11440 states and 15277 transitions. [2021-11-13 01:42:15,303 INFO L78 Accepts]: Start accepts. Automaton has 11440 states and 15277 transitions. Word has length 180 [2021-11-13 01:42:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:15,304 INFO L470 AbstractCegarLoop]: Abstraction has 11440 states and 15277 transitions. [2021-11-13 01:42:15,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:42:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 11440 states and 15277 transitions. [2021-11-13 01:42:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-13 01:42:15,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:15,307 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:15,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-11-13 01:42:15,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:15,507 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1952048266, now seen corresponding path program 1 times [2021-11-13 01:42:15,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:15,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963117823] [2021-11-13 01:42:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:15,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:15,513 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:15,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-13 01:42:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:19,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 3210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:42:19,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 01:42:20,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-13 01:42:20,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:20,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963117823] [2021-11-13 01:42:20,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963117823] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:20,934 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:20,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-13 01:42:20,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782404491] [2021-11-13 01:42:20,935 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:20,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:42:20,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:42:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:20,936 INFO L87 Difference]: Start difference. First operand 11440 states and 15277 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-13 01:42:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:23,403 INFO L93 Difference]: Finished difference Result 25244 states and 34070 transitions. [2021-11-13 01:42:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:23,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 225 [2021-11-13 01:42:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:23,460 INFO L225 Difference]: With dead ends: 25244 [2021-11-13 01:42:23,460 INFO L226 Difference]: Without dead ends: 13823 [2021-11-13 01:42:23,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:42:23,495 INFO L933 BasicCegarLoop]: 4999 mSDtfsCounter, 757 mSDsluCounter, 19003 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 479.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 24002 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.65ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 504.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:23,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 24002 Invalid, 23 Unknown, 0 Unchecked, 29.65ms Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 504.06ms Time] [2021-11-13 01:42:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2021-11-13 01:42:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 11444. [2021-11-13 01:42:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 7410 states have (on average 1.2093117408906882) internal successors, (8961), 7611 states have internal predecessors, (8961), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-13 01:42:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 15281 transitions. [2021-11-13 01:42:25,388 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 15281 transitions. Word has length 225 [2021-11-13 01:42:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:25,389 INFO L470 AbstractCegarLoop]: Abstraction has 11444 states and 15281 transitions. [2021-11-13 01:42:25,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-13 01:42:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 15281 transitions. [2021-11-13 01:42:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-13 01:42:25,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:25,393 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:25,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:25,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:25,608 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:25,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:25,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1344402117, now seen corresponding path program 1 times [2021-11-13 01:42:25,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:25,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317485381] [2021-11-13 01:42:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:25,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:25,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:25,613 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:25,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-13 01:42:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:29,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:42:29,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 01:42:30,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-13 01:42:31,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:31,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317485381] [2021-11-13 01:42:31,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317485381] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:31,301 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:31,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-13 01:42:31,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152364579] [2021-11-13 01:42:31,302 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:31,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:42:31,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:31,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:42:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:42:31,303 INFO L87 Difference]: Start difference. First operand 11444 states and 15281 transitions. Second operand has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-13 01:42:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:34,346 INFO L93 Difference]: Finished difference Result 25248 states and 34072 transitions. [2021-11-13 01:42:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) Word has length 228 [2021-11-13 01:42:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:34,396 INFO L225 Difference]: With dead ends: 25248 [2021-11-13 01:42:34,397 INFO L226 Difference]: Without dead ends: 13823 [2021-11-13 01:42:34,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:42:34,427 INFO L933 BasicCegarLoop]: 4222 mSDtfsCounter, 752 mSDsluCounter, 20657 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1000.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 24879 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.54ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 1059.73ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:34,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [989 Valid, 24879 Invalid, 231 Unknown, 0 Unchecked, 36.54ms Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 60 Unchecked, 1059.73ms Time] [2021-11-13 01:42:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2021-11-13 01:42:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 11444. [2021-11-13 01:42:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 7410 states have (on average 1.2090418353576249) internal successors, (8959), 7611 states have internal predecessors, (8959), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-13 01:42:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 15279 transitions. [2021-11-13 01:42:36,013 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 15279 transitions. Word has length 228 [2021-11-13 01:42:36,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:36,013 INFO L470 AbstractCegarLoop]: Abstraction has 11444 states and 15279 transitions. [2021-11-13 01:42:36,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-13 01:42:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 15279 transitions. [2021-11-13 01:42:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-13 01:42:36,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:36,015 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:36,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:36,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:36,216 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:36,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash 37259719, now seen corresponding path program 1 times [2021-11-13 01:42:36,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:36,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447049750] [2021-11-13 01:42:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:36,219 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:36,220 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-13 01:42:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:39,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 01:42:39,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 01:42:40,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-13 01:42:40,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:40,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447049750] [2021-11-13 01:42:40,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447049750] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:40,781 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:40,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 01:42:40,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635236111] [2021-11-13 01:42:40,782 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:40,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:42:40,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:40,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:42:40,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:42:40,783 INFO L87 Difference]: Start difference. First operand 11444 states and 15279 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:42:44,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:42:46,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:42:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:48,227 INFO L93 Difference]: Finished difference Result 24241 states and 32529 transitions. [2021-11-13 01:42:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:48,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 228 [2021-11-13 01:42:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:48,281 INFO L225 Difference]: With dead ends: 24241 [2021-11-13 01:42:48,281 INFO L226 Difference]: Without dead ends: 12816 [2021-11-13 01:42:48,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:42:48,316 INFO L933 BasicCegarLoop]: 4289 mSDtfsCounter, 1563 mSDsluCounter, 20786 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 486 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5401.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 25075 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.73ms SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5645.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:48,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 25075 Invalid, 597 Unknown, 0 Unchecked, 31.73ms Time], IncrementalHoareTripleChecker [486 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 5645.02ms Time] [2021-11-13 01:42:48,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12816 states. [2021-11-13 01:42:49,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12816 to 11450. [2021-11-13 01:42:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11450 states, 7416 states have (on average 1.2088727076591155) internal successors, (8965), 7617 states have internal predecessors, (8965), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-13 01:42:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11450 states to 11450 states and 15285 transitions. [2021-11-13 01:42:49,712 INFO L78 Accepts]: Start accepts. Automaton has 11450 states and 15285 transitions. Word has length 228 [2021-11-13 01:42:49,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:49,713 INFO L470 AbstractCegarLoop]: Abstraction has 11450 states and 15285 transitions. [2021-11-13 01:42:49,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:42:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 11450 states and 15285 transitions. [2021-11-13 01:42:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-13 01:42:49,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:49,715 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:49,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:49,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:49,916 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash 575157884, now seen corresponding path program 1 times [2021-11-13 01:42:49,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:49,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988367814] [2021-11-13 01:42:49,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:49,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:49,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:49,921 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:49,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-13 01:42:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:53,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 3273 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 01:42:53,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-13 01:42:54,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-13 01:42:55,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:55,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988367814] [2021-11-13 01:42:55,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988367814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:55,050 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:55,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 01:42:55,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038825109] [2021-11-13 01:42:55,050 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:55,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:42:55,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:55,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:42:55,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:42:55,052 INFO L87 Difference]: Start difference. First operand 11450 states and 15285 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-13 01:42:56,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:42:58,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:58,058 INFO L93 Difference]: Finished difference Result 23447 states and 31369 transitions. [2021-11-13 01:42:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:58,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 249 [2021-11-13 01:42:58,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:58,096 INFO L225 Difference]: With dead ends: 23447 [2021-11-13 01:42:58,096 INFO L226 Difference]: Without dead ends: 12016 [2021-11-13 01:42:58,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:42:58,128 INFO L933 BasicCegarLoop]: 4166 mSDtfsCounter, 458 mSDsluCounter, 16354 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1415.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 20520 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.39ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1490.05ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:58,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 20520 Invalid, 109 Unknown, 0 Unchecked, 24.39ms Time], IncrementalHoareTripleChecker [87 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1490.05ms Time] [2021-11-13 01:42:58,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2021-11-13 01:42:59,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 11460. [2021-11-13 01:42:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11460 states, 7424 states have (on average 1.2086476293103448) internal successors, (8973), 7625 states have internal predecessors, (8973), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 873 states have return successors, (3170), 3109 states have call predecessors, (3170), 3154 states have call successors, (3170) [2021-11-13 01:42:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11460 states to 11460 states and 15299 transitions. [2021-11-13 01:42:59,543 INFO L78 Accepts]: Start accepts. Automaton has 11460 states and 15299 transitions. Word has length 249 [2021-11-13 01:42:59,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:59,543 INFO L470 AbstractCegarLoop]: Abstraction has 11460 states and 15299 transitions. [2021-11-13 01:42:59,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-13 01:42:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11460 states and 15299 transitions. [2021-11-13 01:42:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-13 01:42:59,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:59,546 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2021-11-13 01:42:59,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:59,747 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 01:42:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash -84316678, now seen corresponding path program 1 times [2021-11-13 01:42:59,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:59,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763812474] [2021-11-13 01:42:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:59,751 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:59,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:59,752 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83505df0-d44a-401b-b5b0-8a4dd583c79b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process