./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a13fc36e99ff93768df6870e14394ac7910ba35cb39dc0d4df8c772787857673 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:47:32,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:47:32,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:47:32,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:47:32,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:47:32,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:47:32,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:47:32,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:47:32,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:47:32,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:47:32,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:47:32,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:47:32,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:47:32,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:47:32,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:47:32,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:47:32,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:47:32,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:47:32,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:47:32,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:47:32,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:47:32,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:47:32,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:47:32,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:47:32,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:47:32,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:47:32,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:47:32,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:47:32,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:47:32,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:47:32,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:47:32,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:47:32,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:47:32,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:47:32,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:47:32,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:47:32,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:47:32,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:47:32,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:47:32,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:47:32,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:47:32,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:47:32,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:47:32,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:47:32,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:47:32,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:47:32,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:47:32,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:47:32,747 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:47:32,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:47:32,747 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:47:32,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:47:32,750 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:47:32,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:47:32,751 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:47:32,751 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:47:32,752 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:47:32,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:47:32,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:47:32,752 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:47:32,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:47:32,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:47:32,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:47:32,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:47:32,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:47:32,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:47:32,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:47:32,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:47:32,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:47:32,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:47:32,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:47:32,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:47:32,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:47:32,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:47:32,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:47:32,759 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_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a13fc36e99ff93768df6870e14394ac7910ba35cb39dc0d4df8c772787857673 [2021-11-25 17:47:33,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:47:33,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:47:33,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:47:33,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:47:33,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:47:33,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i [2021-11-25 17:47:33,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/data/b7d7a36fb/00ffae9afa874b35999bdccb4643688d/FLAGebb309ed6 [2021-11-25 17:47:34,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:47:34,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i [2021-11-25 17:47:34,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/data/b7d7a36fb/00ffae9afa874b35999bdccb4643688d/FLAGebb309ed6 [2021-11-25 17:47:34,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/data/b7d7a36fb/00ffae9afa874b35999bdccb4643688d [2021-11-25 17:47:34,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:47:34,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:47:34,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:47:34,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:47:34,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:47:34,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:34" (1/1) ... [2021-11-25 17:47:34,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298fb973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:34, skipping insertion in model container [2021-11-25 17:47:34,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:34" (1/1) ... [2021-11-25 17:47:34,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:47:34,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:47:44,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[874998,875011] [2021-11-25 17:47:44,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875143,875156] [2021-11-25 17:47:44,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875289,875302] [2021-11-25 17:47:44,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875454,875467] [2021-11-25 17:47:44,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875612,875625] [2021-11-25 17:47:44,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875770,875783] [2021-11-25 17:47:44,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875928,875941] [2021-11-25 17:47:44,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876088,876101] [2021-11-25 17:47:44,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876247,876260] [2021-11-25 17:47:44,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876386,876399] [2021-11-25 17:47:44,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876528,876541] [2021-11-25 17:47:44,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876677,876690] [2021-11-25 17:47:44,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876816,876829] [2021-11-25 17:47:44,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876971,876984] [2021-11-25 17:47:44,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877131,877144] [2021-11-25 17:47:44,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877282,877295] [2021-11-25 17:47:44,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877433,877446] [2021-11-25 17:47:44,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877585,877598] [2021-11-25 17:47:44,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877734,877747] [2021-11-25 17:47:44,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877882,877895] [2021-11-25 17:47:44,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878039,878052] [2021-11-25 17:47:44,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878188,878201] [2021-11-25 17:47:44,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878344,878357] [2021-11-25 17:47:44,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878497,878510] [2021-11-25 17:47:44,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878643,878656] [2021-11-25 17:47:44,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878786,878799] [2021-11-25 17:47:44,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878938,878951] [2021-11-25 17:47:44,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879084,879097] [2021-11-25 17:47:44,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879229,879242] [2021-11-25 17:47:44,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879383,879396] [2021-11-25 17:47:44,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879534,879547] [2021-11-25 17:47:44,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879689,879702] [2021-11-25 17:47:44,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879841,879854] [2021-11-25 17:47:44,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879996,880009] [2021-11-25 17:47:44,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880160,880173] [2021-11-25 17:47:44,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880316,880329] [2021-11-25 17:47:44,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880480,880493] [2021-11-25 17:47:44,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880622,880635] [2021-11-25 17:47:44,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880780,880793] [2021-11-25 17:47:44,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880947,880960] [2021-11-25 17:47:44,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881106,881119] [2021-11-25 17:47:44,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881265,881278] [2021-11-25 17:47:44,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881414,881427] [2021-11-25 17:47:44,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881561,881574] [2021-11-25 17:47:44,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881700,881713] [2021-11-25 17:47:44,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881863,881876] [2021-11-25 17:47:44,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882029,882042] [2021-11-25 17:47:44,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882193,882206] [2021-11-25 17:47:44,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882358,882371] [2021-11-25 17:47:44,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882523,882536] [2021-11-25 17:47:44,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882689,882702] [2021-11-25 17:47:44,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882854,882867] [2021-11-25 17:47:44,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883021,883034] [2021-11-25 17:47:44,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883181,883194] [2021-11-25 17:47:44,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883343,883356] [2021-11-25 17:47:44,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883502,883515] [2021-11-25 17:47:44,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883648,883661] [2021-11-25 17:47:44,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883791,883804] [2021-11-25 17:47:44,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883935,883948] [2021-11-25 17:47:44,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884078,884091] [2021-11-25 17:47:44,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884222,884235] [2021-11-25 17:47:44,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884363,884376] [2021-11-25 17:47:44,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884501,884514] [2021-11-25 17:47:44,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884659,884672] [2021-11-25 17:47:44,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884818,884831] [2021-11-25 17:47:44,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884974,884987] [2021-11-25 17:47:44,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885123,885136] [2021-11-25 17:47:44,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885275,885288] [2021-11-25 17:47:44,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885426,885439] [2021-11-25 17:47:44,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885575,885588] [2021-11-25 17:47:44,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885727,885740] [2021-11-25 17:47:44,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885875,885888] [2021-11-25 17:47:44,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886028,886041] [2021-11-25 17:47:44,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886179,886192] [2021-11-25 17:47:44,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886329,886342] [2021-11-25 17:47:44,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886476,886489] [2021-11-25 17:47:44,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886627,886640] [2021-11-25 17:47:44,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886778,886791] [2021-11-25 17:47:44,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886926,886939] [2021-11-25 17:47:44,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887092,887105] [2021-11-25 17:47:44,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887261,887274] [2021-11-25 17:47:44,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887428,887441] [2021-11-25 17:47:44,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887596,887609] [2021-11-25 17:47:44,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887746,887759] [2021-11-25 17:47:44,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887893,887906] [2021-11-25 17:47:44,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888054,888067] [2021-11-25 17:47:44,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888224,888237] [2021-11-25 17:47:44,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888386,888399] [2021-11-25 17:47:44,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:47:44,773 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:47:45,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[874998,875011] [2021-11-25 17:47:45,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875143,875156] [2021-11-25 17:47:45,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875289,875302] [2021-11-25 17:47:45,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875454,875467] [2021-11-25 17:47:45,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875612,875625] [2021-11-25 17:47:45,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875770,875783] [2021-11-25 17:47:45,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[875928,875941] [2021-11-25 17:47:45,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876088,876101] [2021-11-25 17:47:45,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876247,876260] [2021-11-25 17:47:45,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876386,876399] [2021-11-25 17:47:45,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876528,876541] [2021-11-25 17:47:45,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876677,876690] [2021-11-25 17:47:45,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876816,876829] [2021-11-25 17:47:45,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[876971,876984] [2021-11-25 17:47:45,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877131,877144] [2021-11-25 17:47:45,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877282,877295] [2021-11-25 17:47:45,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877433,877446] [2021-11-25 17:47:45,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877585,877598] [2021-11-25 17:47:45,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877734,877747] [2021-11-25 17:47:45,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[877882,877895] [2021-11-25 17:47:45,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878039,878052] [2021-11-25 17:47:45,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878188,878201] [2021-11-25 17:47:45,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878344,878357] [2021-11-25 17:47:45,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878497,878510] [2021-11-25 17:47:45,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878643,878656] [2021-11-25 17:47:45,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878786,878799] [2021-11-25 17:47:45,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[878938,878951] [2021-11-25 17:47:45,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879084,879097] [2021-11-25 17:47:45,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879229,879242] [2021-11-25 17:47:45,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879383,879396] [2021-11-25 17:47:45,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879534,879547] [2021-11-25 17:47:45,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879689,879702] [2021-11-25 17:47:45,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879841,879854] [2021-11-25 17:47:45,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[879996,880009] [2021-11-25 17:47:45,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880160,880173] [2021-11-25 17:47:45,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880316,880329] [2021-11-25 17:47:45,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880480,880493] [2021-11-25 17:47:45,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880622,880635] [2021-11-25 17:47:45,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880780,880793] [2021-11-25 17:47:45,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[880947,880960] [2021-11-25 17:47:45,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881106,881119] [2021-11-25 17:47:45,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881265,881278] [2021-11-25 17:47:45,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881414,881427] [2021-11-25 17:47:45,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881561,881574] [2021-11-25 17:47:45,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881700,881713] [2021-11-25 17:47:45,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[881863,881876] [2021-11-25 17:47:45,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882029,882042] [2021-11-25 17:47:45,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882193,882206] [2021-11-25 17:47:45,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882358,882371] [2021-11-25 17:47:45,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882523,882536] [2021-11-25 17:47:45,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882689,882702] [2021-11-25 17:47:45,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[882854,882867] [2021-11-25 17:47:45,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883021,883034] [2021-11-25 17:47:45,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883181,883194] [2021-11-25 17:47:45,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883343,883356] [2021-11-25 17:47:45,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883502,883515] [2021-11-25 17:47:45,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883648,883661] [2021-11-25 17:47:45,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883791,883804] [2021-11-25 17:47:45,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[883935,883948] [2021-11-25 17:47:45,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884078,884091] [2021-11-25 17:47:45,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884222,884235] [2021-11-25 17:47:45,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884363,884376] [2021-11-25 17:47:45,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884501,884514] [2021-11-25 17:47:45,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884659,884672] [2021-11-25 17:47:45,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884818,884831] [2021-11-25 17:47:45,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[884974,884987] [2021-11-25 17:47:45,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885123,885136] [2021-11-25 17:47:45,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885275,885288] [2021-11-25 17:47:45,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885426,885439] [2021-11-25 17:47:45,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885575,885588] [2021-11-25 17:47:45,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885727,885740] [2021-11-25 17:47:45,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[885875,885888] [2021-11-25 17:47:45,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886028,886041] [2021-11-25 17:47:45,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886179,886192] [2021-11-25 17:47:45,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886329,886342] [2021-11-25 17:47:45,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886476,886489] [2021-11-25 17:47:45,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886627,886640] [2021-11-25 17:47:45,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886778,886791] [2021-11-25 17:47:45,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[886926,886939] [2021-11-25 17:47:45,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887092,887105] [2021-11-25 17:47:45,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887261,887274] [2021-11-25 17:47:45,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887428,887441] [2021-11-25 17:47:45,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887596,887609] [2021-11-25 17:47:45,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887746,887759] [2021-11-25 17:47:45,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[887893,887906] [2021-11-25 17:47:45,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888054,888067] [2021-11-25 17:47:45,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888224,888237] [2021-11-25 17:47:45,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i[888386,888399] [2021-11-25 17:47:45,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:47:46,454 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:47:46,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46 WrapperNode [2021-11-25 17:47:46,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:47:46,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:47:46,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:47:46,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:47:46,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:46,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,111 INFO L137 Inliner]: procedures = 964, calls = 5511, calls flagged for inlining = 500, calls inlined = 431, statements flattened = 15958 [2021-11-25 17:47:47,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:47:47,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:47:47,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:47:47,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:47:47,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:47,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:48,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:47:48,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:47:48,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:47:48,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:47:48,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (1/1) ... [2021-11-25 17:47:48,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:47:48,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:47:48,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:47:48,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac09e0-f8e3-462a-bf31-dea24b591181/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:47:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-25 17:47:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-25 17:47:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-25 17:47:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-25 17:47:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 17:47:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 17:47:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure nft_lookup_dump [2021-11-25 17:47:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_lookup_dump [2021-11-25 17:47:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:47:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:47:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-25 17:47:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-25 17:47:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure __nf_tables_rule_lookup [2021-11-25 17:47:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __nf_tables_rule_lookup [2021-11-25 17:47:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_dump_start [2021-11-25 17:47:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_dump_start [2021-11-25 17:47:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:47:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure nft_rule_is_active_next [2021-11-25 17:47:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_rule_is_active_next [2021-11-25 17:47:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_rule_info [2021-11-25 17:47:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_rule_info [2021-11-25 17:47:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure nft_payload_select_ops [2021-11-25 17:47:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_payload_select_ops [2021-11-25 17:47:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_fast_init [2021-11-25 17:47:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_fast_init [2021-11-25 17:47:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure nft_byteorder_init [2021-11-25 17:47:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_byteorder_init [2021-11-25 17:47:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 17:47:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 17:47:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 17:47:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 17:47:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure nft_lookup_destroy [2021-11-25 17:47:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_lookup_destroy [2021-11-25 17:47:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure nft_data_dump [2021-11-25 17:47:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_data_dump [2021-11-25 17:47:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-25 17:47:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-25 17:47:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure nla_ok [2021-11-25 17:47:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_ok [2021-11-25 17:47:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:47:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:47:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_chain_notify [2021-11-25 17:47:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_chain_notify [2021-11-25 17:47:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 17:47:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 17:47:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:47:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 17:47:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 17:47:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_fast_mask [2021-11-25 17:47:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_fast_mask [2021-11-25 17:47:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_hdr [2021-11-25 17:47:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_hdr [2021-11-25 17:47:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-25 17:47:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-25 17:47:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure nft_userdata [2021-11-25 17:47:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_userdata [2021-11-25 17:47:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 17:47:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 17:47:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 17:47:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 17:47:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_unlock [2021-11-25 17:47:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_unlock [2021-11-25 17:47:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:47:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:47:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_set [2021-11-25 17:47:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_set [2021-11-25 17:47:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:47:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:47:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure nla_next [2021-11-25 17:47:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_next [2021-11-25 17:47:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_table_notify [2021-11-25 17:47:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_table_notify [2021-11-25 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure nft_bitwise_init [2021-11-25 17:47:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_bitwise_init [2021-11-25 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure nft_type_to_reg [2021-11-25 17:47:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_type_to_reg [2021-11-25 17:47:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:47:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_table_disable [2021-11-25 17:47:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_table_disable [2021-11-25 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure nft_payload_init [2021-11-25 17:47:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_payload_init [2021-11-25 17:47:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_dump_rules [2021-11-25 17:47:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_dump_rules [2021-11-25 17:47:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-25 17:47:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-25 17:47:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure nft_rule_clear [2021-11-25 17:47:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_rule_clear [2021-11-25 17:47:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_eval [2021-11-25 17:47:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_eval [2021-11-25 17:47:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure nft_lookup_eval [2021-11-25 17:47:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_lookup_eval [2021-11-25 17:47:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure nft_ctx_init [2021-11-25 17:47:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_ctx_init [2021-11-25 17:47:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-25 17:47:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-25 17:47:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:47:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:47:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 17:47:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 17:47:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_check_loops [2021-11-25 17:47:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_check_loops [2021-11-25 17:47:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure nft_set_destroy [2021-11-25 17:47:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_set_destroy [2021-11-25 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_core_module_exit [2021-11-25 17:47:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_core_module_exit [2021-11-25 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-25 17:47:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-25 17:47:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be64 [2021-11-25 17:47:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be64 [2021-11-25 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure nft_register_expr [2021-11-25 17:47:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_register_expr [2021-11-25 17:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-25 17:47:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-25 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_alloc_handle [2021-11-25 17:47:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_alloc_handle [2021-11-25 17:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2021-11-25 17:47:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2021-11-25 17:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2021-11-25 17:47:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2021-11-25 17:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_setelem [2021-11-25 17:47:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_setelem [2021-11-25 17:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:47:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure nft_stats_alloc [2021-11-25 17:47:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_stats_alloc [2021-11-25 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 17:47:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 17:47:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-25 17:47:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-25 17:47:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure nft_flush_table [2021-11-25 17:47:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_flush_table [2021-11-25 17:47:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 17:47:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 17:47:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-25 17:47:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-25 17:47:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_set_lookup [2021-11-25 17:47:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_set_lookup [2021-11-25 17:47:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 17:47:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 17:47:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:47:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_getchain [2021-11-25 17:47:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_getchain [2021-11-25 17:47:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 17:47:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 17:47:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 17:47:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 17:47:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_try_module_get [2021-11-25 17:47:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_try_module_get [2021-11-25 17:47:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:47:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:47:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:47:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_newtable [2021-11-25 17:47:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_newtable [2021-11-25 17:47:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_table_info [2021-11-25 17:47:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_table_info [2021-11-25 17:47:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure nft_expr_priv [2021-11-25 17:47:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_expr_priv [2021-11-25 17:47:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_table_lookup [2021-11-25 17:47:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_table_lookup [2021-11-25 17:47:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure nft_bitwise_module_exit [2021-11-25 17:47:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_bitwise_module_exit [2021-11-25 17:47:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-25 17:47:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-25 17:47:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 17:47:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 17:47:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 17:47:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 17:47:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure nft_ctx_init_from_setattr [2021-11-25 17:47:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_ctx_init_from_setattr [2021-11-25 17:47:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure nft_ctx_init_from_elemattr [2021-11-25 17:47:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_ctx_init_from_elemattr [2021-11-25 17:47:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure nft_expr_last [2021-11-25 17:47:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_expr_last [2021-11-25 17:47:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 17:47:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 17:47:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 17:47:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 17:47:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 17:47:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 17:47:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 17:47:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 17:47:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse_nested [2021-11-25 17:47:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse_nested [2021-11-25 17:47:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_module_exit [2021-11-25 17:47:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_module_exit [2021-11-25 17:47:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_set_err [2021-11-25 17:47:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_set_err [2021-11-25 17:47:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-11-25 17:47:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-11-25 17:47:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-25 17:47:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-25 17:47:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:47:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:47:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:47:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure nft_validate_data_load [2021-11-25 17:47:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_validate_data_load [2021-11-25 17:47:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_init [2021-11-25 17:47:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_init [2021-11-25 17:47:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure nl_dump_check_consistent [2021-11-25 17:47:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nl_dump_check_consistent [2021-11-25 17:47:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_commit [2021-11-25 17:47:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_commit [2021-11-25 17:47:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 17:47:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 17:47:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 17:47:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 17:47:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_table_destroy [2021-11-25 17:47:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_table_destroy [2021-11-25 17:47:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure nft_base_chain [2021-11-25 17:47:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_base_chain [2021-11-25 17:47:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_lock [2021-11-25 17:47:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_lock [2021-11-25 17:47:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure nft_data_uninit [2021-11-25 17:47:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_data_uninit [2021-11-25 17:47:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure nft_byteorder_dump [2021-11-25 17:47:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_byteorder_dump [2021-11-25 17:47:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure __nft_expr_type_get [2021-11-25 17:47:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __nft_expr_type_get [2021-11-25 17:47:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure nft_validate_output_register [2021-11-25 17:47:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_validate_output_register [2021-11-25 17:47:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_delchain [2021-11-25 17:47:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_delchain [2021-11-25 17:47:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_rule_notify [2021-11-25 17:47:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_rule_notify [2021-11-25 17:47:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure nla_strcmp [2021-11-25 17:47:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_strcmp [2021-11-25 17:47:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-25 17:47:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-25 17:47:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_dump [2021-11-25 17:47:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_dump [2021-11-25 17:47:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 17:47:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 17:47:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:47:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:47:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_rule_destroy [2021-11-25 17:47:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_rule_destroy [2021-11-25 17:47:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_set_notify [2021-11-25 17:47:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_set_notify [2021-11-25 17:47:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_fast_dump [2021-11-25 17:47:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_fast_dump [2021-11-25 17:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 17:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 17:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_be32 [2021-11-25 17:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_be32 [2021-11-25 17:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure nft_delchain [2021-11-25 17:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_delchain [2021-11-25 17:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 17:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 17:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_unicast [2021-11-25 17:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_unicast [2021-11-25 17:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 17:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 17:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure nft_byteorder_module_exit [2021-11-25 17:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_byteorder_module_exit [2021-11-25 17:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_destroy [2021-11-25 17:47:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_destroy [2021-11-25 17:47:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure nft_rule_deactivate_next [2021-11-25 17:47:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_rule_deactivate_next [2021-11-25 17:47:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:47:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:47:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:47:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:47:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 17:47:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 17:47:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure nft_unregister_expr [2021-11-25 17:47:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_unregister_expr [2021-11-25 17:47:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure nft_payload_dump [2021-11-25 17:47:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_payload_dump [2021-11-25 17:47:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-25 17:47:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-25 17:47:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:47:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure __nf_tables_chain_type_lookup [2021-11-25 17:47:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __nf_tables_chain_type_lookup [2021-11-25 17:47:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure nf_register_hooks [2021-11-25 17:47:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_register_hooks [2021-11-25 17:47:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 17:47:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 17:47:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure nla_memcpy [2021-11-25 17:47:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_memcpy [2021-11-25 17:47:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_rule_lookup [2021-11-25 17:47:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_rule_lookup [2021-11-25 17:47:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_gen_info [2021-11-25 17:47:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_gen_info [2021-11-25 17:47:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_be64 [2021-11-25 17:47:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_be64 [2021-11-25 17:47:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 17:47:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 17:47:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 17:47:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure nft_expr_next [2021-11-25 17:47:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_expr_next [2021-11-25 17:47:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 17:47:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 17:47:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 17:47:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 17:47:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_select_ops [2021-11-25 17:47:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_select_ops [2021-11-25 17:47:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 17:47:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 17:47:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_rule_add [2021-11-25 17:47:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_rule_add [2021-11-25 17:47:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_set_add [2021-11-25 17:47:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_set_add [2021-11-25 17:47:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_init [2021-11-25 17:47:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_init [2021-11-25 17:47:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure nft_payload_eval [2021-11-25 17:47:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_payload_eval [2021-11-25 17:47:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 17:47:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 17:47:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 17:47:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 17:47:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure nft_byteorder_eval [2021-11-25 17:47:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_byteorder_eval [2021-11-25 17:47:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure nft_lookup_init [2021-11-25 17:47:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_lookup_init [2021-11-25 17:47:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure nft_delrule [2021-11-25 17:47:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_delrule [2021-11-25 17:47:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:47:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:47:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-25 17:47:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-25 17:47:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trace_packet [2021-11-25 17:47:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trace_packet [2021-11-25 17:47:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse [2021-11-25 17:47:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse [2021-11-25 17:47:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_has_listeners [2021-11-25 17:47:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_has_listeners [2021-11-25 17:47:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 17:47:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 17:47:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_alloc [2021-11-25 17:47:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_alloc [2021-11-25 17:47:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_report [2021-11-25 17:47:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_report [2021-11-25 17:47:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_msg_size [2021-11-25 17:47:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_msg_size [2021-11-25 17:47:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_set_lookup_byid [2021-11-25 17:47:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_set_lookup_byid [2021-11-25 17:47:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_rcu [2021-11-25 17:47:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_rcu [2021-11-25 17:47:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 17:47:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 17:47:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure nla_strlcpy [2021-11-25 17:47:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_strlcpy [2021-11-25 17:47:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_unregister_hooks [2021-11-25 17:47:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_unregister_hooks [2021-11-25 17:47:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:47:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:47:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_elem_alloc [2021-11-25 17:47:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_elem_alloc [2021-11-25 17:47:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure nft_afinfo_lookup [2021-11-25 17:47:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_afinfo_lookup [2021-11-25 17:47:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_table_add [2021-11-25 17:47:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_table_add [2021-11-25 17:47:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure gencursor_next [2021-11-25 17:47:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure gencursor_next [2021-11-25 17:47:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 17:47:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 17:47:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-11-25 17:47:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-11-25 17:47:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure nft_lookup_module_exit [2021-11-25 17:47:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_lookup_module_exit [2021-11-25 17:47:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_afinfo_lookup [2021-11-25 17:47:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_afinfo_lookup [2021-11-25 17:47:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure nft_delrule_by_chain [2021-11-25 17:47:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_delrule_by_chain [2021-11-25 17:47:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-25 17:47:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-25 17:47:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2021-11-25 17:47:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2021-11-25 17:47:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure nft_expr_first [2021-11-25 17:47:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_expr_first [2021-11-25 17:47:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_module_exit [2021-11-25 17:47:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_module_exit [2021-11-25 17:47:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure nft_cmp_dump [2021-11-25 17:47:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_cmp_dump [2021-11-25 17:47:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_expr_info [2021-11-25 17:47:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_expr_info [2021-11-25 17:47:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:47:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 17:47:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 17:47:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 17:47:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 17:47:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 17:47:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 17:47:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure nf_unregister_hooks [2021-11-25 17:47:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_unregister_hooks [2021-11-25 17:47:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure nft_trans_chain_add [2021-11-25 17:47:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_trans_chain_add [2021-11-25 17:47:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:47:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:47:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure nft_delset [2021-11-25 17:47:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_delset [2021-11-25 17:47:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure nft_validate_input_register [2021-11-25 17:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_validate_input_register [2021-11-25 17:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_end [2021-11-25 17:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_end [2021-11-25 17:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_destroy [2021-11-25 17:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_destroy [2021-11-25 17:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 17:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 17:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 17:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 17:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 17:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 17:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 17:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 17:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_validate [2021-11-25 17:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_validate [2021-11-25 17:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure nft_data_init [2021-11-25 17:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_data_init [2021-11-25 17:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_fill_chain_info [2021-11-25 17:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_fill_chain_info [2021-11-25 17:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 17:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 17:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_set_destroy [2021-11-25 17:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_set_destroy [2021-11-25 17:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-25 17:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-25 17:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 17:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 17:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_abort [2021-11-25 17:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_abort [2021-11-25 17:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_init_net [2021-11-25 17:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_init_net [2021-11-25 17:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 17:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 17:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_chain_destroy [2021-11-25 17:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_chain_destroy [2021-11-25 17:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure nft_immediate_eval [2021-11-25 17:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nft_immediate_eval [2021-11-25 17:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_setelem_notify [2021-11-25 17:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_setelem_notify [2021-11-25 17:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 17:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 17:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure nf_tables_chain_lookup [2021-11-25 17:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_tables_chain_lookup [2021-11-25 17:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:47:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:47:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_send [2021-11-25 17:47:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_send [2021-11-25 17:47:50,735 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:47:50,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:47:50,994 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 17:48:03,995 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:48:06,279 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:48:06,279 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 17:48:06,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:06 BoogieIcfgContainer [2021-11-25 17:48:06,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:48:06,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:48:06,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:48:06,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:48:06,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:47:34" (1/3) ... [2021-11-25 17:48:06,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6f518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:48:06, skipping insertion in model container [2021-11-25 17:48:06,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:46" (2/3) ... [2021-11-25 17:48:06,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6f518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:48:06, skipping insertion in model container [2021-11-25 17:48:06,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:06" (3/3) ... [2021-11-25 17:48:06,297 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nf_tables.ko.cil.i [2021-11-25 17:48:06,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:48:06,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-25 17:48:06,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:48:06,398 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:48:06,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-25 17:48:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 4758 states, 3000 states have (on average 1.367) internal successors, (4101), 3120 states have internal predecessors, (4101), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 216 states have return successors, (1487), 1463 states have call predecessors, (1487), 1487 states have call successors, (1487) [2021-11-25 17:48:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 17:48:06,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:06,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:06,521 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1963563893, now seen corresponding path program 1 times [2021-11-25 17:48:06,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:06,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185667447] [2021-11-25 17:48:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:06,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:07,394 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:07,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185667447] [2021-11-25 17:48:07,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185667447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:07,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:07,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 17:48:07,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796733642] [2021-11-25 17:48:07,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:07,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 17:48:07,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:07,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 17:48:07,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:48:07,451 INFO L87 Difference]: Start difference. First operand has 4758 states, 3000 states have (on average 1.367) internal successors, (4101), 3120 states have internal predecessors, (4101), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 216 states have return successors, (1487), 1463 states have call predecessors, (1487), 1487 states have call successors, (1487) Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:48:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:17,891 INFO L93 Difference]: Finished difference Result 9506 states and 14533 transitions. [2021-11-25 17:48:17,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:48:17,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2021-11-25 17:48:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:17,974 INFO L225 Difference]: With dead ends: 9506 [2021-11-25 17:48:17,975 INFO L226 Difference]: Without dead ends: 4725 [2021-11-25 17:48:18,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 17:48:18,049 INFO L933 BasicCegarLoop]: 6322 mSDtfsCounter, 7060 mSDsluCounter, 18172 mSDsCounter, 0 mSdLazyCounter, 5957 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7064 SdHoareTripleChecker+Valid, 22283 SdHoareTripleChecker+Invalid, 5958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:18,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7064 Valid, 22283 Invalid, 5958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5957 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-11-25 17:48:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4725 states. [2021-11-25 17:48:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4725 to 4725. [2021-11-25 17:48:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4725 states, 2993 states have (on average 1.3491480120280654) internal successors, (4038), 3090 states have internal predecessors, (4038), 1487 states have call successors, (1487), 216 states have call predecessors, (1487), 215 states have return successors, (1485), 1461 states have call predecessors, (1485), 1485 states have call successors, (1485) [2021-11-25 17:48:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4725 states and 7010 transitions. [2021-11-25 17:48:18,690 INFO L78 Accepts]: Start accepts. Automaton has 4725 states and 7010 transitions. Word has length 16 [2021-11-25 17:48:18,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:18,693 INFO L470 AbstractCegarLoop]: Abstraction has 4725 states and 7010 transitions. [2021-11-25 17:48:18,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:48:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4725 states and 7010 transitions. [2021-11-25 17:48:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 17:48:18,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:18,695 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:18,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:48:18,696 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:18,700 INFO L85 PathProgramCache]: Analyzing trace with hash -543819745, now seen corresponding path program 1 times [2021-11-25 17:48:18,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:18,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721800935] [2021-11-25 17:48:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:18,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:18,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:18,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721800935] [2021-11-25 17:48:18,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721800935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:18,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:18,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:48:18,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229154131] [2021-11-25 17:48:18,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:18,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:48:18,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:48:18,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:48:18,990 INFO L87 Difference]: Start difference. First operand 4725 states and 7010 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:48:21,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:21,143 INFO L93 Difference]: Finished difference Result 9442 states and 14204 transitions. [2021-11-25 17:48:21,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:48:21,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-11-25 17:48:21,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:21,195 INFO L225 Difference]: With dead ends: 9442 [2021-11-25 17:48:21,195 INFO L226 Difference]: Without dead ends: 4721 [2021-11-25 17:48:21,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:48:21,246 INFO L933 BasicCegarLoop]: 6265 mSDtfsCounter, 6994 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6994 SdHoareTripleChecker+Valid, 6265 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:21,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6994 Valid, 6265 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 17:48:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-25 17:48:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4721. [2021-11-25 17:48:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4721 states, 2990 states have (on average 1.348829431438127) internal successors, (4033), 3086 states have internal predecessors, (4033), 1487 states have call successors, (1487), 216 states have call predecessors, (1487), 215 states have return successors, (1485), 1461 states have call predecessors, (1485), 1485 states have call successors, (1485) [2021-11-25 17:48:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 4721 states and 7005 transitions. [2021-11-25 17:48:21,568 INFO L78 Accepts]: Start accepts. Automaton has 4721 states and 7005 transitions. Word has length 19 [2021-11-25 17:48:21,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:21,569 INFO L470 AbstractCegarLoop]: Abstraction has 4721 states and 7005 transitions. [2021-11-25 17:48:21,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:48:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4721 states and 7005 transitions. [2021-11-25 17:48:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 17:48:21,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:21,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:21,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:48:21,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:21,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:21,574 INFO L85 PathProgramCache]: Analyzing trace with hash -29614931, now seen corresponding path program 1 times [2021-11-25 17:48:21,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:21,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710450848] [2021-11-25 17:48:21,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:21,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:21,899 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:21,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710450848] [2021-11-25 17:48:21,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710450848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:21,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:21,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:21,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254188881] [2021-11-25 17:48:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:21,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:21,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:21,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:21,902 INFO L87 Difference]: Start difference. First operand 4721 states and 7005 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:26,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:26,972 INFO L93 Difference]: Finished difference Result 9332 states and 13894 transitions. [2021-11-25 17:48:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:48:26,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 49 [2021-11-25 17:48:26,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:27,053 INFO L225 Difference]: With dead ends: 9332 [2021-11-25 17:48:27,053 INFO L226 Difference]: Without dead ends: 9330 [2021-11-25 17:48:27,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:27,061 INFO L933 BasicCegarLoop]: 7773 mSDtfsCounter, 6978 mSDsluCounter, 15419 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6985 SdHoareTripleChecker+Valid, 21730 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:27,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6985 Valid, 21730 Invalid, 2222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-25 17:48:27,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9330 states. [2021-11-25 17:48:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9330 to 9272. [2021-11-25 17:48:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9272 states, 5898 states have (on average 1.3509664292980672) internal successors, (7968), 6054 states have internal predecessors, (7968), 2919 states have call successors, (2919), 427 states have call predecessors, (2919), 426 states have return successors, (2974), 2867 states have call predecessors, (2974), 2917 states have call successors, (2974) [2021-11-25 17:48:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9272 states to 9272 states and 13861 transitions. [2021-11-25 17:48:27,807 INFO L78 Accepts]: Start accepts. Automaton has 9272 states and 13861 transitions. Word has length 49 [2021-11-25 17:48:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:27,808 INFO L470 AbstractCegarLoop]: Abstraction has 9272 states and 13861 transitions. [2021-11-25 17:48:27,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9272 states and 13861 transitions. [2021-11-25 17:48:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 17:48:27,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:27,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:27,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:48:27,814 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:27,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:27,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1618557860, now seen corresponding path program 1 times [2021-11-25 17:48:27,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:27,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879956056] [2021-11-25 17:48:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:27,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:28,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:28,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879956056] [2021-11-25 17:48:28,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879956056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:28,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:28,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:28,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412144315] [2021-11-25 17:48:28,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:28,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:28,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:28,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:28,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:28,119 INFO L87 Difference]: Start difference. First operand 9272 states and 13861 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:31,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:31,090 INFO L93 Difference]: Finished difference Result 9272 states and 13861 transitions. [2021-11-25 17:48:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:48:31,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2021-11-25 17:48:31,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:31,170 INFO L225 Difference]: With dead ends: 9272 [2021-11-25 17:48:31,170 INFO L226 Difference]: Without dead ends: 9270 [2021-11-25 17:48:31,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:31,178 INFO L933 BasicCegarLoop]: 6262 mSDtfsCounter, 6990 mSDsluCounter, 6991 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 12518 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:31,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6997 Valid, 12518 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 17:48:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2021-11-25 17:48:31,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 9270. [2021-11-25 17:48:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9270 states, 5897 states have (on average 1.350686789893166) internal successors, (7965), 6052 states have internal predecessors, (7965), 2919 states have call successors, (2919), 427 states have call predecessors, (2919), 426 states have return successors, (2974), 2867 states have call predecessors, (2974), 2917 states have call successors, (2974) [2021-11-25 17:48:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9270 states to 9270 states and 13858 transitions. [2021-11-25 17:48:31,914 INFO L78 Accepts]: Start accepts. Automaton has 9270 states and 13858 transitions. Word has length 51 [2021-11-25 17:48:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:31,914 INFO L470 AbstractCegarLoop]: Abstraction has 9270 states and 13858 transitions. [2021-11-25 17:48:31,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9270 states and 13858 transitions. [2021-11-25 17:48:31,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 17:48:31,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:31,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:31,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:48:31,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:31,918 INFO L85 PathProgramCache]: Analyzing trace with hash 669613784, now seen corresponding path program 1 times [2021-11-25 17:48:31,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:31,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706991595] [2021-11-25 17:48:31,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:31,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:32,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:32,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706991595] [2021-11-25 17:48:32,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706991595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:32,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:32,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:32,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723925848] [2021-11-25 17:48:32,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:32,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:32,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:32,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:32,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:32,188 INFO L87 Difference]: Start difference. First operand 9270 states and 13858 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:37,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:37,141 INFO L93 Difference]: Finished difference Result 17974 states and 27018 transitions. [2021-11-25 17:48:37,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:48:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2021-11-25 17:48:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:37,226 INFO L225 Difference]: With dead ends: 17974 [2021-11-25 17:48:37,226 INFO L226 Difference]: Without dead ends: 17972 [2021-11-25 17:48:37,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:37,236 INFO L933 BasicCegarLoop]: 8102 mSDtfsCounter, 6621 mSDsluCounter, 15772 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6628 SdHoareTripleChecker+Valid, 22396 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:37,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6628 Valid, 22396 Invalid, 2253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-25 17:48:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17972 states. [2021-11-25 17:48:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17972 to 17705. [2021-11-25 17:48:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17705 states, 11264 states have (on average 1.3520951704545454) internal successors, (15230), 11538 states have internal predecessors, (15230), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:48:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17705 states to 17705 states and 26726 transitions. [2021-11-25 17:48:38,594 INFO L78 Accepts]: Start accepts. Automaton has 17705 states and 26726 transitions. Word has length 53 [2021-11-25 17:48:38,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:38,595 INFO L470 AbstractCegarLoop]: Abstraction has 17705 states and 26726 transitions. [2021-11-25 17:48:38,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 17705 states and 26726 transitions. [2021-11-25 17:48:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 17:48:38,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:38,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:38,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:48:38,604 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:38,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash -733020098, now seen corresponding path program 1 times [2021-11-25 17:48:38,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:38,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555302843] [2021-11-25 17:48:38,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:38,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:48:38,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:38,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555302843] [2021-11-25 17:48:38,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555302843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:38,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:38,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:38,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750434182] [2021-11-25 17:48:38,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:38,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:38,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:38,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:38,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:38,877 INFO L87 Difference]: Start difference. First operand 17705 states and 26726 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:41,906 INFO L93 Difference]: Finished difference Result 17705 states and 26726 transitions. [2021-11-25 17:48:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:48:41,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2021-11-25 17:48:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:41,984 INFO L225 Difference]: With dead ends: 17705 [2021-11-25 17:48:41,984 INFO L226 Difference]: Without dead ends: 17703 [2021-11-25 17:48:41,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:41,993 INFO L933 BasicCegarLoop]: 6260 mSDtfsCounter, 6976 mSDsluCounter, 6997 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6983 SdHoareTripleChecker+Valid, 12520 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:41,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6983 Valid, 12520 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:48:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17703 states. [2021-11-25 17:48:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17703 to 17703. [2021-11-25 17:48:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17703 states, 11263 states have (on average 1.3517712865133624) internal successors, (15225), 11536 states have internal predecessors, (15225), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:48:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17703 states to 17703 states and 26721 transitions. [2021-11-25 17:48:43,138 INFO L78 Accepts]: Start accepts. Automaton has 17703 states and 26721 transitions. Word has length 55 [2021-11-25 17:48:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:43,140 INFO L470 AbstractCegarLoop]: Abstraction has 17703 states and 26721 transitions. [2021-11-25 17:48:43,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 17:48:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 17703 states and 26721 transitions. [2021-11-25 17:48:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 17:48:43,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:43,144 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:43,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 17:48:43,144 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:43,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1270329232, now seen corresponding path program 1 times [2021-11-25 17:48:43,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:43,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219493982] [2021-11-25 17:48:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:43,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:48:43,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:43,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219493982] [2021-11-25 17:48:43,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219493982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:43,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:43,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:43,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490318549] [2021-11-25 17:48:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:43,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:43,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:43,562 INFO L87 Difference]: Start difference. First operand 17703 states and 26721 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 17:48:46,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:46,582 INFO L93 Difference]: Finished difference Result 17703 states and 26721 transitions. [2021-11-25 17:48:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:48:46,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 17:48:46,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:46,682 INFO L225 Difference]: With dead ends: 17703 [2021-11-25 17:48:46,682 INFO L226 Difference]: Without dead ends: 17701 [2021-11-25 17:48:46,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:46,698 INFO L933 BasicCegarLoop]: 6258 mSDtfsCounter, 6980 mSDsluCounter, 6996 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6982 SdHoareTripleChecker+Valid, 12516 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:46,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6982 Valid, 12516 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:48:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17701 states. [2021-11-25 17:48:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17701 to 17701. [2021-11-25 17:48:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17701 states, 11262 states have (on average 1.3516249334043686) internal successors, (15222), 11534 states have internal predecessors, (15222), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:48:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17701 states to 17701 states and 26718 transitions. [2021-11-25 17:48:48,056 INFO L78 Accepts]: Start accepts. Automaton has 17701 states and 26718 transitions. Word has length 68 [2021-11-25 17:48:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:48,057 INFO L470 AbstractCegarLoop]: Abstraction has 17701 states and 26718 transitions. [2021-11-25 17:48:48,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 17:48:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17701 states and 26718 transitions. [2021-11-25 17:48:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 17:48:48,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:48,059 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:48,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 17:48:48,059 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2037738958, now seen corresponding path program 1 times [2021-11-25 17:48:48,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:48,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912921243] [2021-11-25 17:48:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:48,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:48:48,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:48,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912921243] [2021-11-25 17:48:48,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912921243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:48,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:48,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:48,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170168217] [2021-11-25 17:48:48,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:48,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:48,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:48,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:48,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:48,386 INFO L87 Difference]: Start difference. First operand 17701 states and 26718 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 17:48:51,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:51,071 INFO L93 Difference]: Finished difference Result 17701 states and 26718 transitions. [2021-11-25 17:48:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:48:51,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 17:48:51,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:51,165 INFO L225 Difference]: With dead ends: 17701 [2021-11-25 17:48:51,166 INFO L226 Difference]: Without dead ends: 17699 [2021-11-25 17:48:51,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:51,181 INFO L933 BasicCegarLoop]: 6256 mSDtfsCounter, 6977 mSDsluCounter, 6994 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6979 SdHoareTripleChecker+Valid, 12512 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:51,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6979 Valid, 12512 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 17:48:51,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17699 states. [2021-11-25 17:48:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17699 to 17699. [2021-11-25 17:48:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17699 states, 11261 states have (on average 1.35147855430246) internal successors, (15219), 11532 states have internal predecessors, (15219), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:48:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17699 states to 17699 states and 26715 transitions. [2021-11-25 17:48:52,648 INFO L78 Accepts]: Start accepts. Automaton has 17699 states and 26715 transitions. Word has length 73 [2021-11-25 17:48:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:52,649 INFO L470 AbstractCegarLoop]: Abstraction has 17699 states and 26715 transitions. [2021-11-25 17:48:52,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 17:48:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 17699 states and 26715 transitions. [2021-11-25 17:48:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 17:48:52,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:52,651 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:52,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 17:48:52,651 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:52,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash -74235793, now seen corresponding path program 1 times [2021-11-25 17:48:52,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:52,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186880834] [2021-11-25 17:48:52,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:52,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:48:52,858 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:52,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186880834] [2021-11-25 17:48:52,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186880834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:52,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:52,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:52,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301510810] [2021-11-25 17:48:52,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:52,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:52,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:52,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:52,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:52,861 INFO L87 Difference]: Start difference. First operand 17699 states and 26715 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 17:48:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:48:56,526 INFO L93 Difference]: Finished difference Result 17699 states and 26715 transitions. [2021-11-25 17:48:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:48:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2021-11-25 17:48:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:48:56,606 INFO L225 Difference]: With dead ends: 17699 [2021-11-25 17:48:56,606 INFO L226 Difference]: Without dead ends: 17697 [2021-11-25 17:48:56,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:48:56,615 INFO L933 BasicCegarLoop]: 6254 mSDtfsCounter, 6974 mSDsluCounter, 6992 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6976 SdHoareTripleChecker+Valid, 12508 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 17:48:56,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6976 Valid, 12508 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 17:48:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17697 states. [2021-11-25 17:48:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17697 to 17697. [2021-11-25 17:48:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17697 states, 11260 states have (on average 1.3513321492007104) internal successors, (15216), 11530 states have internal predecessors, (15216), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:48:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17697 states to 17697 states and 26712 transitions. [2021-11-25 17:48:57,973 INFO L78 Accepts]: Start accepts. Automaton has 17697 states and 26712 transitions. Word has length 78 [2021-11-25 17:48:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:48:57,975 INFO L470 AbstractCegarLoop]: Abstraction has 17697 states and 26712 transitions. [2021-11-25 17:48:57,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 17:48:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 17697 states and 26712 transitions. [2021-11-25 17:48:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 17:48:57,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:48:57,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:48:57,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 17:48:57,982 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:48:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:48:57,982 INFO L85 PathProgramCache]: Analyzing trace with hash -407388215, now seen corresponding path program 1 times [2021-11-25 17:48:57,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:48:57,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495082379] [2021-11-25 17:48:57,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:48:57,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:48:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:48:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:48:58,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:48:58,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495082379] [2021-11-25 17:48:58,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495082379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:48:58,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:48:58,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:48:58,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770016958] [2021-11-25 17:48:58,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:48:58,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:48:58,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:48:58,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:48:58,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:48:58,388 INFO L87 Difference]: Start difference. First operand 17697 states and 26712 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 17:49:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:01,404 INFO L93 Difference]: Finished difference Result 17697 states and 26712 transitions. [2021-11-25 17:49:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:01,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2021-11-25 17:49:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:01,544 INFO L225 Difference]: With dead ends: 17697 [2021-11-25 17:49:01,545 INFO L226 Difference]: Without dead ends: 17695 [2021-11-25 17:49:01,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:01,554 INFO L933 BasicCegarLoop]: 6252 mSDtfsCounter, 6971 mSDsluCounter, 6990 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6973 SdHoareTripleChecker+Valid, 12504 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:01,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6973 Valid, 12504 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:49:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17695 states. [2021-11-25 17:49:02,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17695 to 17695. [2021-11-25 17:49:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17695 states, 11259 states have (on average 1.351185718092193) internal successors, (15213), 11528 states have internal predecessors, (15213), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17695 states to 17695 states and 26709 transitions. [2021-11-25 17:49:02,833 INFO L78 Accepts]: Start accepts. Automaton has 17695 states and 26709 transitions. Word has length 83 [2021-11-25 17:49:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:02,834 INFO L470 AbstractCegarLoop]: Abstraction has 17695 states and 26709 transitions. [2021-11-25 17:49:02,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 17:49:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 17695 states and 26709 transitions. [2021-11-25 17:49:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 17:49:02,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:02,836 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:02,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 17:49:02,836 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:02,837 INFO L85 PathProgramCache]: Analyzing trace with hash 386503947, now seen corresponding path program 1 times [2021-11-25 17:49:02,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:02,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245656236] [2021-11-25 17:49:02,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:02,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:03,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:03,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245656236] [2021-11-25 17:49:03,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245656236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:03,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:03,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:03,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026191719] [2021-11-25 17:49:03,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:03,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:03,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:03,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:03,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:03,058 INFO L87 Difference]: Start difference. First operand 17695 states and 26709 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 17:49:06,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:06,415 INFO L93 Difference]: Finished difference Result 17695 states and 26709 transitions. [2021-11-25 17:49:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:06,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2021-11-25 17:49:06,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:06,471 INFO L225 Difference]: With dead ends: 17695 [2021-11-25 17:49:06,472 INFO L226 Difference]: Without dead ends: 17693 [2021-11-25 17:49:06,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:06,482 INFO L933 BasicCegarLoop]: 6250 mSDtfsCounter, 6968 mSDsluCounter, 6988 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 12500 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:06,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6970 Valid, 12500 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 17:49:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17693 states. [2021-11-25 17:49:07,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17693 to 17693. [2021-11-25 17:49:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17693 states, 11258 states have (on average 1.3510392609699768) internal successors, (15210), 11526 states have internal predecessors, (15210), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17693 states to 17693 states and 26706 transitions. [2021-11-25 17:49:07,644 INFO L78 Accepts]: Start accepts. Automaton has 17693 states and 26706 transitions. Word has length 88 [2021-11-25 17:49:07,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:07,644 INFO L470 AbstractCegarLoop]: Abstraction has 17693 states and 26706 transitions. [2021-11-25 17:49:07,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 17:49:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 17693 states and 26706 transitions. [2021-11-25 17:49:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 17:49:07,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:07,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:07,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 17:49:07,647 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:07,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1944089901, now seen corresponding path program 1 times [2021-11-25 17:49:07,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:07,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341576367] [2021-11-25 17:49:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:07,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:07,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:07,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341576367] [2021-11-25 17:49:07,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341576367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:07,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:07,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:07,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023013688] [2021-11-25 17:49:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:07,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:07,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:07,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:07,850 INFO L87 Difference]: Start difference. First operand 17693 states and 26706 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 17:49:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:11,299 INFO L93 Difference]: Finished difference Result 17693 states and 26706 transitions. [2021-11-25 17:49:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:11,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2021-11-25 17:49:11,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:11,372 INFO L225 Difference]: With dead ends: 17693 [2021-11-25 17:49:11,373 INFO L226 Difference]: Without dead ends: 17691 [2021-11-25 17:49:11,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:11,386 INFO L933 BasicCegarLoop]: 6248 mSDtfsCounter, 6965 mSDsluCounter, 6986 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6967 SdHoareTripleChecker+Valid, 12496 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:11,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6967 Valid, 12496 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 17:49:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17691 states. [2021-11-25 17:49:12,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17691 to 17691. [2021-11-25 17:49:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17691 states, 11257 states have (on average 1.3508927778271298) internal successors, (15207), 11524 states have internal predecessors, (15207), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17691 states to 17691 states and 26703 transitions. [2021-11-25 17:49:12,601 INFO L78 Accepts]: Start accepts. Automaton has 17691 states and 26703 transitions. Word has length 93 [2021-11-25 17:49:12,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:12,602 INFO L470 AbstractCegarLoop]: Abstraction has 17691 states and 26703 transitions. [2021-11-25 17:49:12,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 17:49:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 17691 states and 26703 transitions. [2021-11-25 17:49:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 17:49:12,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:12,604 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:12,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 17:49:12,604 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:12,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:12,605 INFO L85 PathProgramCache]: Analyzing trace with hash -135433521, now seen corresponding path program 1 times [2021-11-25 17:49:12,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:12,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9018878] [2021-11-25 17:49:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:12,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:12,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9018878] [2021-11-25 17:49:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9018878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:12,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:12,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:12,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091742446] [2021-11-25 17:49:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:12,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:12,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:12,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:12,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:12,807 INFO L87 Difference]: Start difference. First operand 17691 states and 26703 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 17:49:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:16,125 INFO L93 Difference]: Finished difference Result 17691 states and 26703 transitions. [2021-11-25 17:49:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:16,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2021-11-25 17:49:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:16,175 INFO L225 Difference]: With dead ends: 17691 [2021-11-25 17:49:16,176 INFO L226 Difference]: Without dead ends: 17689 [2021-11-25 17:49:16,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:16,182 INFO L933 BasicCegarLoop]: 6246 mSDtfsCounter, 6962 mSDsluCounter, 6984 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 12492 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:16,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6964 Valid, 12492 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:49:16,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17689 states. [2021-11-25 17:49:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17689 to 17689. [2021-11-25 17:49:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17689 states, 11256 states have (on average 1.3507462686567164) internal successors, (15204), 11522 states have internal predecessors, (15204), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17689 states to 17689 states and 26700 transitions. [2021-11-25 17:49:17,454 INFO L78 Accepts]: Start accepts. Automaton has 17689 states and 26700 transitions. Word has length 98 [2021-11-25 17:49:17,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:17,455 INFO L470 AbstractCegarLoop]: Abstraction has 17689 states and 26700 transitions. [2021-11-25 17:49:17,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 17:49:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 17689 states and 26700 transitions. [2021-11-25 17:49:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 17:49:17,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:17,458 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:17,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 17:49:17,458 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:17,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -946987374, now seen corresponding path program 1 times [2021-11-25 17:49:17,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:17,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759360174] [2021-11-25 17:49:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:17,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:17,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:17,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759360174] [2021-11-25 17:49:17,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759360174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:17,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:17,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:17,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249422970] [2021-11-25 17:49:17,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:17,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:17,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:17,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:17,666 INFO L87 Difference]: Start difference. First operand 17689 states and 26700 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 17:49:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:20,757 INFO L93 Difference]: Finished difference Result 17689 states and 26700 transitions. [2021-11-25 17:49:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2021-11-25 17:49:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:20,819 INFO L225 Difference]: With dead ends: 17689 [2021-11-25 17:49:20,820 INFO L226 Difference]: Without dead ends: 17687 [2021-11-25 17:49:20,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:20,831 INFO L933 BasicCegarLoop]: 6244 mSDtfsCounter, 6963 mSDsluCounter, 6978 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 12484 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:20,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6965 Valid, 12484 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 17:49:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17687 states. [2021-11-25 17:49:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17687 to 17687. [2021-11-25 17:49:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17687 states, 11255 states have (on average 1.3505997334517992) internal successors, (15201), 11520 states have internal predecessors, (15201), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17687 states to 17687 states and 26697 transitions. [2021-11-25 17:49:22,092 INFO L78 Accepts]: Start accepts. Automaton has 17687 states and 26697 transitions. Word has length 103 [2021-11-25 17:49:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:22,093 INFO L470 AbstractCegarLoop]: Abstraction has 17687 states and 26697 transitions. [2021-11-25 17:49:22,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 17:49:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 17687 states and 26697 transitions. [2021-11-25 17:49:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 17:49:22,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:22,095 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:22,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 17:49:22,095 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash 478412629, now seen corresponding path program 1 times [2021-11-25 17:49:22,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:22,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301835206] [2021-11-25 17:49:22,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:22,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:22,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:22,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301835206] [2021-11-25 17:49:22,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301835206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:22,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:22,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:22,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056126451] [2021-11-25 17:49:22,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:22,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:22,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:22,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:22,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:22,318 INFO L87 Difference]: Start difference. First operand 17687 states and 26697 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 17:49:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:26,296 INFO L93 Difference]: Finished difference Result 17687 states and 26697 transitions. [2021-11-25 17:49:26,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:26,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2021-11-25 17:49:26,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:26,364 INFO L225 Difference]: With dead ends: 17687 [2021-11-25 17:49:26,364 INFO L226 Difference]: Without dead ends: 17685 [2021-11-25 17:49:26,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:26,374 INFO L933 BasicCegarLoop]: 6242 mSDtfsCounter, 6955 mSDsluCounter, 6980 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 12484 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:26,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6957 Valid, 12484 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 17:49:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17685 states. [2021-11-25 17:49:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17685 to 17685. [2021-11-25 17:49:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17685 states, 11254 states have (on average 1.350453172205438) internal successors, (15198), 11518 states have internal predecessors, (15198), 5610 states have call successors, (5610), 806 states have call predecessors, (5610), 803 states have return successors, (5886), 5499 states have call predecessors, (5886), 5608 states have call successors, (5886) [2021-11-25 17:49:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17685 states to 17685 states and 26694 transitions. [2021-11-25 17:49:27,617 INFO L78 Accepts]: Start accepts. Automaton has 17685 states and 26694 transitions. Word has length 105 [2021-11-25 17:49:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:27,617 INFO L470 AbstractCegarLoop]: Abstraction has 17685 states and 26694 transitions. [2021-11-25 17:49:27,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 17:49:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 17685 states and 26694 transitions. [2021-11-25 17:49:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 17:49:27,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:27,619 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:27,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 17:49:27,619 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:27,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash 460527359, now seen corresponding path program 1 times [2021-11-25 17:49:27,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:27,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358084464] [2021-11-25 17:49:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:27,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:27,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:27,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358084464] [2021-11-25 17:49:27,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358084464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:27,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:27,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:27,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897455319] [2021-11-25 17:49:27,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:27,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:27,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:27,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:27,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:27,833 INFO L87 Difference]: Start difference. First operand 17685 states and 26694 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 17:49:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:34,347 INFO L93 Difference]: Finished difference Result 35282 states and 53997 transitions. [2021-11-25 17:49:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:49:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2021-11-25 17:49:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:34,496 INFO L225 Difference]: With dead ends: 35282 [2021-11-25 17:49:34,496 INFO L226 Difference]: Without dead ends: 35280 [2021-11-25 17:49:34,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:34,519 INFO L933 BasicCegarLoop]: 7712 mSDtfsCounter, 6953 mSDsluCounter, 15420 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6955 SdHoareTripleChecker+Valid, 21671 SdHoareTripleChecker+Invalid, 2217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:34,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6955 Valid, 21671 Invalid, 2217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-25 17:49:34,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35280 states. [2021-11-25 17:49:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35280 to 35083. [2021-11-25 17:49:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35083 states, 22348 states have (on average 1.351217111150886) internal successors, (30197), 22856 states have internal predecessors, (30197), 11143 states have call successors, (11143), 1579 states have call predecessors, (11143), 1574 states have return successors, (12449), 10918 states have call predecessors, (12449), 11141 states have call successors, (12449) [2021-11-25 17:49:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35083 states to 35083 states and 53789 transitions. [2021-11-25 17:49:37,242 INFO L78 Accepts]: Start accepts. Automaton has 35083 states and 53789 transitions. Word has length 110 [2021-11-25 17:49:37,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:37,243 INFO L470 AbstractCegarLoop]: Abstraction has 35083 states and 53789 transitions. [2021-11-25 17:49:37,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 17:49:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 35083 states and 53789 transitions. [2021-11-25 17:49:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 17:49:37,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:37,246 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:37,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 17:49:37,246 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:37,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1208592387, now seen corresponding path program 1 times [2021-11-25 17:49:37,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:37,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763274382] [2021-11-25 17:49:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:37,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:37,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:37,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763274382] [2021-11-25 17:49:37,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763274382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:37,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:37,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:37,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335230294] [2021-11-25 17:49:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:37,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:37,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:37,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:37,460 INFO L87 Difference]: Start difference. First operand 35083 states and 53789 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 17:49:43,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:43,784 INFO L93 Difference]: Finished difference Result 35268 states and 53969 transitions. [2021-11-25 17:49:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:49:43,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2021-11-25 17:49:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:43,888 INFO L225 Difference]: With dead ends: 35268 [2021-11-25 17:49:43,888 INFO L226 Difference]: Without dead ends: 35266 [2021-11-25 17:49:43,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:43,907 INFO L933 BasicCegarLoop]: 7673 mSDtfsCounter, 6921 mSDsluCounter, 15302 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6923 SdHoareTripleChecker+Valid, 21517 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:43,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6923 Valid, 21517 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-25 17:49:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35266 states. [2021-11-25 17:49:46,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35266 to 35184. [2021-11-25 17:49:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35184 states, 22411 states have (on average 1.3502297978671187) internal successors, (30260), 22919 states have internal predecessors, (30260), 11162 states have call successors, (11162), 1598 states have call predecessors, (11162), 1593 states have return successors, (12468), 10937 states have call predecessors, (12468), 11160 states have call successors, (12468) [2021-11-25 17:49:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35184 states to 35184 states and 53890 transitions. [2021-11-25 17:49:46,571 INFO L78 Accepts]: Start accepts. Automaton has 35184 states and 53890 transitions. Word has length 115 [2021-11-25 17:49:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:49:46,572 INFO L470 AbstractCegarLoop]: Abstraction has 35184 states and 53890 transitions. [2021-11-25 17:49:46,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 17:49:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 35184 states and 53890 transitions. [2021-11-25 17:49:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 17:49:46,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:49:46,575 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:49:46,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 17:49:46,576 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-25 17:49:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:49:46,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1333529810, now seen corresponding path program 1 times [2021-11-25 17:49:46,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:49:46,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316986473] [2021-11-25 17:49:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:49:46,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:49:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:49:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:49:46,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:49:46,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316986473] [2021-11-25 17:49:46,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316986473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:49:46,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:49:46,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:49:46,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369781840] [2021-11-25 17:49:46,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:49:46,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:49:46,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:49:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:49:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:49:46,771 INFO L87 Difference]: Start difference. First operand 35184 states and 53890 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 17:49:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:49:51,566 INFO L93 Difference]: Finished difference Result 35184 states and 53890 transitions. [2021-11-25 17:49:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:49:51,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2021-11-25 17:49:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:49:51,663 INFO L225 Difference]: With dead ends: 35184 [2021-11-25 17:49:51,663 INFO L226 Difference]: Without dead ends: 35182 [2021-11-25 17:49:51,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:49:51,676 INFO L933 BasicCegarLoop]: 6240 mSDtfsCounter, 6952 mSDsluCounter, 6977 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6954 SdHoareTripleChecker+Valid, 12480 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:49:51,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6954 Valid, 12480 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 17:49:51,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35182 states.