./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW --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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:08:26,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:08:26,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:08:26,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:08:26,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:08:26,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:08:26,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:08:26,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:08:26,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:08:26,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:08:26,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:08:26,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:08:26,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:08:26,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:08:26,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:08:26,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:08:26,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:08:26,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:08:26,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:08:26,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:08:26,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:08:26,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:08:26,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:08:26,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:08:26,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:08:26,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:08:26,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:08:26,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:08:26,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:08:26,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:08:26,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:08:26,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:08:26,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:08:26,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:08:26,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:08:26,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:08:26,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:08:26,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:08:26,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:08:26,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:08:26,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:08:26,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:08:26,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:08:26,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:08:26,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:08:26,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:08:26,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:08:26,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:08:26,732 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:08:26,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:08:26,732 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:08:26,733 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:08:26,734 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:08:26,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:08:26,734 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:08:26,735 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:08:26,735 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:08:26,735 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:08:26,735 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:08:26,736 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:08:26,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:08:26,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:08:26,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:08:26,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:08:26,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:08:26,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:08:26,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:08:26,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:08:26,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:08:26,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:08:26,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:08:26,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:08:26,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:08:26,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:08:26,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:08:26,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:08:26,742 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:08:26,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:08:26,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:08:26,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:08:26,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2022-11-23 15:08:27,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:08:27,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:08:27,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:08:27,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:08:27,077 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:08:27,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-23 15:08:30,171 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:08:30,818 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:08:30,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-23 15:08:30,877 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/data/632ab8e9c/984ebf5d4f9b4cf4b71bb0f210b27c3a/FLAG67fdef17d [2022-11-23 15:08:30,900 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/data/632ab8e9c/984ebf5d4f9b4cf4b71bb0f210b27c3a [2022-11-23 15:08:30,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:08:30,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:08:30,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:08:30,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:08:30,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:08:30,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:30" (1/1) ... [2022-11-23 15:08:30,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3346cf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:30, skipping insertion in model container [2022-11-23 15:08:30,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:30" (1/1) ... [2022-11-23 15:08:30,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:08:31,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:08:34,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-23 15:08:34,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-23 15:08:34,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-23 15:08:34,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-23 15:08:34,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-23 15:08:34,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-23 15:08:34,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-23 15:08:34,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-23 15:08:34,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-23 15:08:34,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-23 15:08:34,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-23 15:08:34,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-23 15:08:34,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-23 15:08:34,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-23 15:08:34,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-23 15:08:34,957 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-23 15:08:34,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-23 15:08:34,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-23 15:08:34,960 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-23 15:08:34,960 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-23 15:08:34,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-23 15:08:34,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-23 15:08:34,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-23 15:08:34,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-23 15:08:34,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-23 15:08:34,965 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-23 15:08:34,965 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-23 15:08:34,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-23 15:08:34,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-23 15:08:34,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-23 15:08:34,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-23 15:08:34,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-23 15:08:34,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-23 15:08:34,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-23 15:08:34,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-23 15:08:34,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-23 15:08:34,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-23 15:08:34,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-23 15:08:34,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-23 15:08:34,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-23 15:08:34,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-23 15:08:34,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-23 15:08:34,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-23 15:08:34,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-23 15:08:34,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-23 15:08:34,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-23 15:08:34,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-23 15:08:34,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-23 15:08:34,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-23 15:08:34,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-23 15:08:34,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-23 15:08:34,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-23 15:08:34,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-23 15:08:34,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-23 15:08:34,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-23 15:08:34,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-23 15:08:34,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-23 15:08:34,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-23 15:08:34,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-23 15:08:34,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-23 15:08:34,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-23 15:08:34,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-23 15:08:34,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-23 15:08:34,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-23 15:08:34,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-23 15:08:34,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-23 15:08:34,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-23 15:08:35,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-23 15:08:35,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-23 15:08:35,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-23 15:08:35,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-23 15:08:35,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-23 15:08:35,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-23 15:08:35,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-23 15:08:35,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-23 15:08:35,008 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-23 15:08:35,008 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-23 15:08:35,009 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-23 15:08:35,010 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-23 15:08:35,011 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-23 15:08:35,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-23 15:08:35,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-23 15:08:35,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-23 15:08:35,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-23 15:08:35,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-23 15:08:35,015 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-23 15:08:35,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-23 15:08:35,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-23 15:08:35,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:08:35,079 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:08:35,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-23 15:08:35,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-23 15:08:35,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-23 15:08:35,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-23 15:08:35,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-23 15:08:35,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-23 15:08:35,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-23 15:08:35,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-23 15:08:35,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-23 15:08:35,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-23 15:08:35,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-23 15:08:35,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-23 15:08:35,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-23 15:08:35,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-23 15:08:35,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-23 15:08:35,495 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-23 15:08:35,495 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-23 15:08:35,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-23 15:08:35,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-23 15:08:35,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-23 15:08:35,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-23 15:08:35,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-23 15:08:35,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-23 15:08:35,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-23 15:08:35,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-23 15:08:35,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-23 15:08:35,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-23 15:08:35,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-23 15:08:35,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-23 15:08:35,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-23 15:08:35,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-23 15:08:35,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-23 15:08:35,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-23 15:08:35,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-23 15:08:35,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-23 15:08:35,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-23 15:08:35,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-23 15:08:35,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-23 15:08:35,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-23 15:08:35,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-23 15:08:35,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-23 15:08:35,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-23 15:08:35,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-23 15:08:35,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-23 15:08:35,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-23 15:08:35,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-23 15:08:35,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-23 15:08:35,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-23 15:08:35,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-23 15:08:35,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-23 15:08:35,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-23 15:08:35,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-23 15:08:35,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-23 15:08:35,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-23 15:08:35,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-23 15:08:35,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-23 15:08:35,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-23 15:08:35,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-23 15:08:35,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-23 15:08:35,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-23 15:08:35,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-23 15:08:35,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-23 15:08:35,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-23 15:08:35,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-23 15:08:35,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-23 15:08:35,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-23 15:08:35,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-23 15:08:35,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-23 15:08:35,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-23 15:08:35,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-23 15:08:35,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-23 15:08:35,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-23 15:08:35,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-23 15:08:35,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-23 15:08:35,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-23 15:08:35,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-23 15:08:35,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-23 15:08:35,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-23 15:08:35,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-23 15:08:35,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-23 15:08:35,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-23 15:08:35,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-23 15:08:35,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-23 15:08:35,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-23 15:08:35,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-23 15:08:35,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-23 15:08:35,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-23 15:08:35,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-23 15:08:35,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:08:35,820 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:08:35,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35 WrapperNode [2022-11-23 15:08:35,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:08:35,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:08:35,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:08:35,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:08:35,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:35,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,039 INFO L138 Inliner]: procedures = 602, calls = 2176, calls flagged for inlining = 265, calls inlined = 157, statements flattened = 3113 [2022-11-23 15:08:36,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:08:36,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:08:36,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:08:36,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:08:36,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:08:36,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:08:36,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:08:36,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:08:36,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (1/1) ... [2022-11-23 15:08:36,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:08:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:08:36,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:08:36,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:08:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:08:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:08:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:08:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:08:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-11-23 15:08:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-11-23 15:08:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-11-23 15:08:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-11-23 15:08:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-23 15:08:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-23 15:08:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-23 15:08:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-23 15:08:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:08:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:08:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:08:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:08:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:08:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:08:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-23 15:08:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-23 15:08:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:08:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:08:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:08:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:08:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-23 15:08:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-23 15:08:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:08:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:08:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:08:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:08:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:08:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:08:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:08:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:08:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:08:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-23 15:08:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-23 15:08:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:08:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-11-23 15:08:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-11-23 15:08:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:08:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:08:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-11-23 15:08:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-11-23 15:08:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:08:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:08:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-11-23 15:08:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-11-23 15:08:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:08:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:08:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:08:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:08:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:08:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:08:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:08:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:08:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:08:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:08:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:08:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:08:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:08:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-11-23 15:08:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-11-23 15:08:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:08:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:08:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:08:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:08:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-11-23 15:08:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-11-23 15:08:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:08:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:08:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:08:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:08:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-23 15:08:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-23 15:08:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-23 15:08:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-23 15:08:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:08:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:08:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-11-23 15:08:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-11-23 15:08:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-11-23 15:08:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-11-23 15:08:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:08:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:08:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-23 15:08:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-23 15:08:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:08:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:08:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-23 15:08:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-23 15:08:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:08:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:08:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:08:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-11-23 15:08:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-11-23 15:08:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-23 15:08:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-23 15:08:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-11-23 15:08:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-11-23 15:08:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-11-23 15:08:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-11-23 15:08:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:08:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:08:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-11-23 15:08:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-11-23 15:08:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:08:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:08:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-11-23 15:08:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-11-23 15:08:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-23 15:08:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-23 15:08:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:08:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:08:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 15:08:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 15:08:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-23 15:08:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-23 15:08:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:08:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:08:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:08:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:08:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-11-23 15:08:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-11-23 15:08:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:08:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:08:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-11-23 15:08:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-11-23 15:08:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:08:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:08:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:08:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:08:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:08:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:08:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:08:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-23 15:08:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-23 15:08:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-11-23 15:08:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-11-23 15:08:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:08:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-11-23 15:08:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-11-23 15:08:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-23 15:08:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-23 15:08:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-11-23 15:08:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-11-23 15:08:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:08:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:08:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:08:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:08:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:08:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:08:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:08:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-23 15:08:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-23 15:08:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:08:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:08:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:08:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:08:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-23 15:08:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-23 15:08:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-11-23 15:08:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-11-23 15:08:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:08:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:08:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:08:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:08:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:08:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:08:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:08:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:08:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:08:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:08:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:08:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:08:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:08:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:08:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:08:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:08:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:08:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:08:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:08:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:08:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:08:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:08:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:08:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-23 15:08:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-23 15:08:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-23 15:08:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-23 15:08:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-23 15:08:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-23 15:08:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-23 15:08:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-23 15:08:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-11-23 15:08:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-11-23 15:08:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:08:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:08:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-11-23 15:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-11-23 15:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-23 15:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-23 15:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-23 15:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-23 15:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-23 15:08:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-23 15:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-23 15:08:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-23 15:08:37,306 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:08:37,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:08:37,395 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:08:40,255 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:08:41,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:08:41,080 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:08:41,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:41 BoogieIcfgContainer [2022-11-23 15:08:41,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:08:41,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:08:41,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:08:41,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:08:41,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:08:30" (1/3) ... [2022-11-23 15:08:41,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67515414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:41, skipping insertion in model container [2022-11-23 15:08:41,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:35" (2/3) ... [2022-11-23 15:08:41,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67515414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:41, skipping insertion in model container [2022-11-23 15:08:41,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:41" (3/3) ... [2022-11-23 15:08:41,099 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-23 15:08:41,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:08:41,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-23 15:08:41,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:08:41,231 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e3a0f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:08:41,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-23 15:08:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) [2022-11-23 15:08:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 15:08:41,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:41,258 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:41,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:08:41,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:41,267 INFO L85 PathProgramCache]: Analyzing trace with hash 580379619, now seen corresponding path program 1 times [2022-11-23 15:08:41,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:41,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963118848] [2022-11-23 15:08:41,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:08:42,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:42,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963118848] [2022-11-23 15:08:42,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963118848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:42,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:42,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:42,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930002332] [2022-11-23 15:08:42,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:42,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:42,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:42,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:42,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:42,087 INFO L87 Difference]: Start difference. First operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:08:45,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:08:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:45,843 INFO L93 Difference]: Finished difference Result 2996 states and 4276 transitions. [2022-11-23 15:08:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:08:45,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-23 15:08:45,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:45,881 INFO L225 Difference]: With dead ends: 2996 [2022-11-23 15:08:45,882 INFO L226 Difference]: Without dead ends: 1986 [2022-11-23 15:08:45,897 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:08:45,902 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1312 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:45,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 4020 Invalid, 530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:08:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-11-23 15:08:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1804. [2022-11-23 15:08:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1038 states have (on average 1.25626204238921) internal successors, (1304), 1109 states have internal predecessors, (1304), 555 states have call successors, (555), 176 states have call predecessors, (555), 175 states have return successors, (553), 545 states have call predecessors, (553), 553 states have call successors, (553) [2022-11-23 15:08:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2412 transitions. [2022-11-23 15:08:46,152 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2412 transitions. Word has length 38 [2022-11-23 15:08:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:46,153 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2412 transitions. [2022-11-23 15:08:46,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:08:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2412 transitions. [2022-11-23 15:08:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 15:08:46,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:46,156 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:46,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:08:46,158 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:08:46,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1571141024, now seen corresponding path program 1 times [2022-11-23 15:08:46,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:46,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454507566] [2022-11-23 15:08:46,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:08:47,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:47,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454507566] [2022-11-23 15:08:47,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454507566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:47,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:47,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:08:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017952934] [2022-11-23 15:08:47,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:47,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:08:47,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:08:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:08:47,146 INFO L87 Difference]: Start difference. First operand 1804 states and 2412 transitions. Second operand has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-23 15:08:52,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:08:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:52,524 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2022-11-23 15:08:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:08:52,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2022-11-23 15:08:52,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:52,537 INFO L225 Difference]: With dead ends: 1998 [2022-11-23 15:08:52,538 INFO L226 Difference]: Without dead ends: 1837 [2022-11-23 15:08:52,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:08:52,541 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 24 mSDsluCounter, 10232 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 93 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 11386 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:52,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 11386 Invalid, 2121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 2027 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-23 15:08:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2022-11-23 15:08:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1813. [2022-11-23 15:08:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1114 states have internal predecessors, (1309), 559 states have call successors, (559), 176 states have call predecessors, (559), 175 states have return successors, (557), 549 states have call predecessors, (557), 557 states have call successors, (557) [2022-11-23 15:08:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2425 transitions. [2022-11-23 15:08:52,649 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2425 transitions. Word has length 42 [2022-11-23 15:08:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:52,649 INFO L495 AbstractCegarLoop]: Abstraction has 1813 states and 2425 transitions. [2022-11-23 15:08:52,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-23 15:08:52,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2425 transitions. [2022-11-23 15:08:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 15:08:52,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:52,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:52,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:08:52,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:08:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1539125199, now seen corresponding path program 1 times [2022-11-23 15:08:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:52,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309576243] [2022-11-23 15:08:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:08:52,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309576243] [2022-11-23 15:08:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309576243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:52,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:52,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539380795] [2022-11-23 15:08:52,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:52,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:52,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:52,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:52,965 INFO L87 Difference]: Start difference. First operand 1813 states and 2425 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:08:55,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:08:56,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:56,464 INFO L93 Difference]: Finished difference Result 3539 states and 4734 transitions. [2022-11-23 15:08:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:08:56,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-23 15:08:56,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:56,487 INFO L225 Difference]: With dead ends: 3539 [2022-11-23 15:08:56,487 INFO L226 Difference]: Without dead ends: 3537 [2022-11-23 15:08:56,490 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:08:56,491 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1270 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:56,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 4004 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:08:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-11-23 15:08:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3349. [2022-11-23 15:08:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3349 states, 1932 states have (on average 1.2562111801242235) internal successors, (2427), 2039 states have internal predecessors, (2427), 1049 states have call successors, (1049), 333 states have call predecessors, (1049), 332 states have return successors, (1059), 1029 states have call predecessors, (1059), 1047 states have call successors, (1059) [2022-11-23 15:08:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4535 transitions. [2022-11-23 15:08:56,674 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4535 transitions. Word has length 43 [2022-11-23 15:08:56,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:56,675 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4535 transitions. [2022-11-23 15:08:56,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:08:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4535 transitions. [2022-11-23 15:08:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 15:08:56,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:56,677 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:56,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:08:56,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:08:56,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1983067535, now seen corresponding path program 1 times [2022-11-23 15:08:56,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:56,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452788595] [2022-11-23 15:08:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:08:57,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:57,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452788595] [2022-11-23 15:08:57,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452788595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:57,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:57,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735648918] [2022-11-23 15:08:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:57,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:57,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:57,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:57,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:57,029 INFO L87 Difference]: Start difference. First operand 3349 states and 4535 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:08:59,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:00,674 INFO L93 Difference]: Finished difference Result 6591 states and 8916 transitions. [2022-11-23 15:09:00,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:00,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2022-11-23 15:09:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:00,722 INFO L225 Difference]: With dead ends: 6591 [2022-11-23 15:09:00,723 INFO L226 Difference]: Without dead ends: 6589 [2022-11-23 15:09:00,728 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:00,730 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 1290 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:00,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 3966 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:09:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2022-11-23 15:09:01,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6403. [2022-11-23 15:09:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6403 states, 3703 states have (on average 1.2592492573588983) internal successors, (4663), 3890 states have internal predecessors, (4663), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-23 15:09:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6403 states to 6403 states and 8723 transitions. [2022-11-23 15:09:01,154 INFO L78 Accepts]: Start accepts. Automaton has 6403 states and 8723 transitions. Word has length 48 [2022-11-23 15:09:01,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:01,155 INFO L495 AbstractCegarLoop]: Abstraction has 6403 states and 8723 transitions. [2022-11-23 15:09:01,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:09:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 6403 states and 8723 transitions. [2022-11-23 15:09:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 15:09:01,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:01,162 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:01,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:09:01,163 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:01,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:01,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1158847928, now seen corresponding path program 1 times [2022-11-23 15:09:01,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:01,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404407980] [2022-11-23 15:09:01,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:01,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:09:01,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:01,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404407980] [2022-11-23 15:09:01,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404407980] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:09:01,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679374924] [2022-11-23 15:09:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:01,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:09:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:09:01,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:09:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:09:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:02,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 15:09:02,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:09:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:09:02,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:09:02,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679374924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:02,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:09:02,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-23 15:09:02,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359745016] [2022-11-23 15:09:02,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:02,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:09:02,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:09:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:09:02,449 INFO L87 Difference]: Start difference. First operand 6403 states and 8723 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:09:06,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:06,779 INFO L93 Difference]: Finished difference Result 6882 states and 9413 transitions. [2022-11-23 15:09:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:09:06,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-23 15:09:06,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:06,825 INFO L225 Difference]: With dead ends: 6882 [2022-11-23 15:09:06,826 INFO L226 Difference]: Without dead ends: 6680 [2022-11-23 15:09:06,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:09:06,833 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 49 mSDsluCounter, 6031 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:06,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7283 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1220 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 15:09:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-23 15:09:07,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6405. [2022-11-23 15:09:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3705 states have (on average 1.2591093117408907) internal successors, (4665), 3892 states have internal predecessors, (4665), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-23 15:09:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 8725 transitions. [2022-11-23 15:09:07,262 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 8725 transitions. Word has length 55 [2022-11-23 15:09:07,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:07,263 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 8725 transitions. [2022-11-23 15:09:07,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:09:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 8725 transitions. [2022-11-23 15:09:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 15:09:07,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:07,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:07,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:09:07,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:09:07,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:07,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:07,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1892931426, now seen corresponding path program 1 times [2022-11-23 15:09:07,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:07,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857071496] [2022-11-23 15:09:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:07,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:07,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857071496] [2022-11-23 15:09:07,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857071496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:07,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:07,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:07,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91162570] [2022-11-23 15:09:07,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:07,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:07,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:07,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:07,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:07,722 INFO L87 Difference]: Start difference. First operand 6405 states and 8725 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:09:10,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:11,354 INFO L93 Difference]: Finished difference Result 6611 states and 8939 transitions. [2022-11-23 15:09:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:11,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-11-23 15:09:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:11,415 INFO L225 Difference]: With dead ends: 6611 [2022-11-23 15:09:11,415 INFO L226 Difference]: Without dead ends: 6609 [2022-11-23 15:09:11,419 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:11,420 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 1294 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:11,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 3990 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:09:11,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-11-23 15:09:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6447. [2022-11-23 15:09:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6447 states, 3726 states have (on average 1.2584541062801933) internal successors, (4689), 3913 states have internal predecessors, (4689), 2035 states have call successors, (2035), 655 states have call predecessors, (2035), 650 states have return successors, (2053), 1983 states have call predecessors, (2053), 2033 states have call successors, (2053) [2022-11-23 15:09:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 8777 transitions. [2022-11-23 15:09:11,845 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 8777 transitions. Word has length 53 [2022-11-23 15:09:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:11,848 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 8777 transitions. [2022-11-23 15:09:11,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:09:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 8777 transitions. [2022-11-23 15:09:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 15:09:11,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:11,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:11,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:09:11,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:11,852 INFO L85 PathProgramCache]: Analyzing trace with hash -491025950, now seen corresponding path program 1 times [2022-11-23 15:09:11,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:11,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419944039] [2022-11-23 15:09:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-23 15:09:12,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:12,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419944039] [2022-11-23 15:09:12,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419944039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:12,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:12,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-23 15:09:12,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664720290] [2022-11-23 15:09:12,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:12,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:09:12,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:12,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:09:12,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:09:12,980 INFO L87 Difference]: Start difference. First operand 6447 states and 8777 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-23 15:09:18,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:18,948 INFO L93 Difference]: Finished difference Result 6969 states and 9412 transitions. [2022-11-23 15:09:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:09:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 59 [2022-11-23 15:09:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:18,984 INFO L225 Difference]: With dead ends: 6969 [2022-11-23 15:09:18,984 INFO L226 Difference]: Without dead ends: 6597 [2022-11-23 15:09:18,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:09:18,991 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 33 mSDsluCounter, 11327 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 12480 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:18,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 12480 Invalid, 2357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2236 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-23 15:09:19,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6597 states. [2022-11-23 15:09:19,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6597 to 6518. [2022-11-23 15:09:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 3769 states have (on average 1.2555054391085168) internal successors, (4732), 3956 states have internal predecessors, (4732), 2063 states have call successors, (2063), 655 states have call predecessors, (2063), 650 states have return successors, (2081), 2011 states have call predecessors, (2081), 2061 states have call successors, (2081) [2022-11-23 15:09:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8876 transitions. [2022-11-23 15:09:19,347 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8876 transitions. Word has length 59 [2022-11-23 15:09:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:19,347 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8876 transitions. [2022-11-23 15:09:19,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-23 15:09:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8876 transitions. [2022-11-23 15:09:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 15:09:19,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:19,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:19,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:09:19,350 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:19,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash 845912774, now seen corresponding path program 1 times [2022-11-23 15:09:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:19,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622209168] [2022-11-23 15:09:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:19,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:19,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:19,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622209168] [2022-11-23 15:09:19,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622209168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:19,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:19,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563339039] [2022-11-23 15:09:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:19,564 INFO L87 Difference]: Start difference. First operand 6518 states and 8876 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:09:22,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:23,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:23,203 INFO L93 Difference]: Finished difference Result 6680 states and 9036 transitions. [2022-11-23 15:09:23,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:23,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-11-23 15:09:23,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:23,239 INFO L225 Difference]: With dead ends: 6680 [2022-11-23 15:09:23,239 INFO L226 Difference]: Without dead ends: 6678 [2022-11-23 15:09:23,244 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:23,245 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1291 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:23,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:09:23,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-23 15:09:23,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6524. [2022-11-23 15:09:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6524 states, 3772 states have (on average 1.255302226935313) internal successors, (4735), 3959 states have internal predecessors, (4735), 2065 states have call successors, (2065), 656 states have call predecessors, (2065), 651 states have return successors, (2083), 2013 states have call predecessors, (2083), 2063 states have call successors, (2083) [2022-11-23 15:09:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8883 transitions. [2022-11-23 15:09:23,728 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8883 transitions. Word has length 58 [2022-11-23 15:09:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:23,729 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8883 transitions. [2022-11-23 15:09:23,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:09:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8883 transitions. [2022-11-23 15:09:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 15:09:23,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:23,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:23,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:09:23,731 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:23,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:23,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1560602758, now seen corresponding path program 1 times [2022-11-23 15:09:23,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:23,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650369965] [2022-11-23 15:09:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:23,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:23,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:23,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650369965] [2022-11-23 15:09:23,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650369965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:23,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:23,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:23,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789560895] [2022-11-23 15:09:23,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:23,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:23,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:23,961 INFO L87 Difference]: Start difference. First operand 6524 states and 8883 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:09:26,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:27,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:27,429 INFO L93 Difference]: Finished difference Result 6678 states and 9034 transitions. [2022-11-23 15:09:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-11-23 15:09:27,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:27,460 INFO L225 Difference]: With dead ends: 6678 [2022-11-23 15:09:27,460 INFO L226 Difference]: Without dead ends: 6676 [2022-11-23 15:09:27,465 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:27,466 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1288 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:27,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:09:27,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-23 15:09:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6530. [2022-11-23 15:09:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 3775 states have (on average 1.2550993377483444) internal successors, (4738), 3962 states have internal predecessors, (4738), 2067 states have call successors, (2067), 657 states have call predecessors, (2067), 652 states have return successors, (2085), 2015 states have call predecessors, (2085), 2065 states have call successors, (2085) [2022-11-23 15:09:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8890 transitions. [2022-11-23 15:09:27,987 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8890 transitions. Word has length 63 [2022-11-23 15:09:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:27,988 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8890 transitions. [2022-11-23 15:09:27,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:09:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8890 transitions. [2022-11-23 15:09:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 15:09:27,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:27,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:27,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:09:27,990 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:27,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:27,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1803948370, now seen corresponding path program 1 times [2022-11-23 15:09:27,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:27,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445715425] [2022-11-23 15:09:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:27,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:28,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:28,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445715425] [2022-11-23 15:09:28,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445715425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:28,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:28,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:28,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344884617] [2022-11-23 15:09:28,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:28,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:28,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:28,202 INFO L87 Difference]: Start difference. First operand 6530 states and 8890 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:09:31,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:31,718 INFO L93 Difference]: Finished difference Result 6676 states and 9032 transitions. [2022-11-23 15:09:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-23 15:09:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:31,750 INFO L225 Difference]: With dead ends: 6676 [2022-11-23 15:09:31,750 INFO L226 Difference]: Without dead ends: 6674 [2022-11-23 15:09:31,755 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:31,755 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1285 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:31,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:09:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-23 15:09:32,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6536. [2022-11-23 15:09:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6536 states, 3778 states have (on average 1.2548967707781895) internal successors, (4741), 3965 states have internal predecessors, (4741), 2069 states have call successors, (2069), 658 states have call predecessors, (2069), 653 states have return successors, (2087), 2017 states have call predecessors, (2087), 2067 states have call successors, (2087) [2022-11-23 15:09:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 8897 transitions. [2022-11-23 15:09:32,146 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 8897 transitions. Word has length 68 [2022-11-23 15:09:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:32,147 INFO L495 AbstractCegarLoop]: Abstraction has 6536 states and 8897 transitions. [2022-11-23 15:09:32,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:09:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 8897 transitions. [2022-11-23 15:09:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 15:09:32,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:32,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:32,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:09:32,155 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:32,156 INFO L85 PathProgramCache]: Analyzing trace with hash 221373780, now seen corresponding path program 1 times [2022-11-23 15:09:32,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:32,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588145016] [2022-11-23 15:09:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:32,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:32,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588145016] [2022-11-23 15:09:32,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588145016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:32,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:32,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133947138] [2022-11-23 15:09:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:32,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:32,361 INFO L87 Difference]: Start difference. First operand 6536 states and 8897 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:35,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:35,891 INFO L93 Difference]: Finished difference Result 6674 states and 9030 transitions. [2022-11-23 15:09:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:35,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-23 15:09:35,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:35,920 INFO L225 Difference]: With dead ends: 6674 [2022-11-23 15:09:35,920 INFO L226 Difference]: Without dead ends: 6672 [2022-11-23 15:09:35,926 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:35,926 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1290 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:35,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 4008 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:09:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-23 15:09:36,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6544. [2022-11-23 15:09:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2548242135871002) internal successors, (4747), 3970 states have internal predecessors, (4747), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-23 15:09:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8907 transitions. [2022-11-23 15:09:36,389 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8907 transitions. Word has length 73 [2022-11-23 15:09:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:36,390 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8907 transitions. [2022-11-23 15:09:36,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8907 transitions. [2022-11-23 15:09:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 15:09:36,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:36,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:36,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:09:36,393 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:36,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:36,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2008027849, now seen corresponding path program 1 times [2022-11-23 15:09:36,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:36,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760582521] [2022-11-23 15:09:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:36,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:36,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:36,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760582521] [2022-11-23 15:09:36,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760582521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:36,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:36,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:36,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691759979] [2022-11-23 15:09:36,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:36,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:36,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:36,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:36,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:36,597 INFO L87 Difference]: Start difference. First operand 6544 states and 8907 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:39,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:40,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:40,047 INFO L93 Difference]: Finished difference Result 6672 states and 9028 transitions. [2022-11-23 15:09:40,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:40,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-11-23 15:09:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:40,076 INFO L225 Difference]: With dead ends: 6672 [2022-11-23 15:09:40,077 INFO L226 Difference]: Without dead ends: 6670 [2022-11-23 15:09:40,082 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:40,083 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1278 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:40,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:09:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2022-11-23 15:09:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6544. [2022-11-23 15:09:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2545598731165741) internal successors, (4746), 3970 states have internal predecessors, (4746), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-23 15:09:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8906 transitions. [2022-11-23 15:09:40,592 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8906 transitions. Word has length 75 [2022-11-23 15:09:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:40,593 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8906 transitions. [2022-11-23 15:09:40,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8906 transitions. [2022-11-23 15:09:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 15:09:40,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:40,595 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:40,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:09:40,595 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:40,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1920795639, now seen corresponding path program 1 times [2022-11-23 15:09:40,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:40,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663702256] [2022-11-23 15:09:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:40,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:40,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663702256] [2022-11-23 15:09:40,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663702256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:40,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:40,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:40,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398233784] [2022-11-23 15:09:40,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:40,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:40,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:40,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:40,809 INFO L87 Difference]: Start difference. First operand 6544 states and 8906 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:09:43,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:44,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:44,304 INFO L93 Difference]: Finished difference Result 6670 states and 9026 transitions. [2022-11-23 15:09:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:44,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-11-23 15:09:44,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:44,332 INFO L225 Difference]: With dead ends: 6670 [2022-11-23 15:09:44,332 INFO L226 Difference]: Without dead ends: 6668 [2022-11-23 15:09:44,336 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:44,337 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1277 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:44,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:09:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-23 15:09:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6550. [2022-11-23 15:09:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 3786 states have (on average 1.2543581616481776) internal successors, (4749), 3973 states have internal predecessors, (4749), 2073 states have call successors, (2073), 660 states have call predecessors, (2073), 655 states have return successors, (2091), 2021 states have call predecessors, (2091), 2071 states have call successors, (2091) [2022-11-23 15:09:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8913 transitions. [2022-11-23 15:09:44,769 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8913 transitions. Word has length 80 [2022-11-23 15:09:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:44,770 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8913 transitions. [2022-11-23 15:09:44,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:09:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8913 transitions. [2022-11-23 15:09:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-23 15:09:44,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:44,771 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:44,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:09:44,772 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:44,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:44,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1332796663, now seen corresponding path program 1 times [2022-11-23 15:09:44,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:44,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758187062] [2022-11-23 15:09:44,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:45,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758187062] [2022-11-23 15:09:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758187062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:45,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:45,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:45,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841774403] [2022-11-23 15:09:45,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:45,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:45,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:45,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:45,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:45,029 INFO L87 Difference]: Start difference. First operand 6550 states and 8913 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:47,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:48,579 INFO L93 Difference]: Finished difference Result 6668 states and 9024 transitions. [2022-11-23 15:09:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:48,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-11-23 15:09:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:48,611 INFO L225 Difference]: With dead ends: 6668 [2022-11-23 15:09:48,611 INFO L226 Difference]: Without dead ends: 6666 [2022-11-23 15:09:48,616 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:48,616 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1274 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:48,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:09:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2022-11-23 15:09:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6556. [2022-11-23 15:09:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6556 states, 3789 states have (on average 1.2541567695961995) internal successors, (4752), 3976 states have internal predecessors, (4752), 2075 states have call successors, (2075), 661 states have call predecessors, (2075), 656 states have return successors, (2093), 2023 states have call predecessors, (2093), 2073 states have call successors, (2093) [2022-11-23 15:09:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 8920 transitions. [2022-11-23 15:09:49,153 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 8920 transitions. Word has length 85 [2022-11-23 15:09:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:49,155 INFO L495 AbstractCegarLoop]: Abstraction has 6556 states and 8920 transitions. [2022-11-23 15:09:49,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 8920 transitions. [2022-11-23 15:09:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 15:09:49,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:49,157 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:49,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:09:49,158 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:49,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1379181229, now seen corresponding path program 1 times [2022-11-23 15:09:49,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:49,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817098392] [2022-11-23 15:09:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-23 15:09:49,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:49,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817098392] [2022-11-23 15:09:49,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817098392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:49,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:49,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:09:49,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115932408] [2022-11-23 15:09:49,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:49,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:09:49,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:49,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:09:49,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:49,740 INFO L87 Difference]: Start difference. First operand 6556 states and 8920 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:09:52,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:53,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:53,660 INFO L93 Difference]: Finished difference Result 7654 states and 10282 transitions. [2022-11-23 15:09:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:09:53,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-11-23 15:09:53,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:53,689 INFO L225 Difference]: With dead ends: 7654 [2022-11-23 15:09:53,690 INFO L226 Difference]: Without dead ends: 7652 [2022-11-23 15:09:53,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:09:53,695 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1244 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:53,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 5459 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 706 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:09:53,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-23 15:09:54,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7462. [2022-11-23 15:09:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7462 states, 4336 states have (on average 1.253920664206642) internal successors, (5437), 4545 states have internal predecessors, (5437), 2310 states have call successors, (2310), 787 states have call predecessors, (2310), 780 states have return successors, (2330), 2245 states have call predecessors, (2330), 2308 states have call successors, (2330) [2022-11-23 15:09:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 10077 transitions. [2022-11-23 15:09:54,217 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 10077 transitions. Word has length 119 [2022-11-23 15:09:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:54,218 INFO L495 AbstractCegarLoop]: Abstraction has 7462 states and 10077 transitions. [2022-11-23 15:09:54,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:09:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 10077 transitions. [2022-11-23 15:09:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-23 15:09:54,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:54,219 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:54,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:09:54,220 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:54,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:54,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1941809798, now seen corresponding path program 1 times [2022-11-23 15:09:54,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:54,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856301924] [2022-11-23 15:09:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:54,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:09:54,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:54,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856301924] [2022-11-23 15:09:54,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856301924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:54,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:54,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:54,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233357137] [2022-11-23 15:09:54,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:54,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:54,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:54,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:54,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:54,471 INFO L87 Difference]: Start difference. First operand 7462 states and 10077 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, (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) [2022-11-23 15:09:57,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:58,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:58,168 INFO L93 Difference]: Finished difference Result 7572 states and 10179 transitions. [2022-11-23 15:09:58,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:09:58,168 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, (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 90 [2022-11-23 15:09:58,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:58,197 INFO L225 Difference]: With dead ends: 7572 [2022-11-23 15:09:58,197 INFO L226 Difference]: Without dead ends: 7570 [2022-11-23 15:09:58,202 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:09:58,202 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1271 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:58,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:09:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2022-11-23 15:09:58,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 7468. [2022-11-23 15:09:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2537451025581932) internal successors, (5440), 4548 states have internal predecessors, (5440), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-23 15:09:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10084 transitions. [2022-11-23 15:09:58,785 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10084 transitions. Word has length 90 [2022-11-23 15:09:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:58,785 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10084 transitions. [2022-11-23 15:09:58,785 INFO L496 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, (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) [2022-11-23 15:09:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10084 transitions. [2022-11-23 15:09:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-23 15:09:58,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:58,787 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:58,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:09:58,788 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:09:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:58,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1475279590, now seen corresponding path program 1 times [2022-11-23 15:09:58,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:58,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833482640] [2022-11-23 15:09:58,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:58,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-23 15:09:59,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:59,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833482640] [2022-11-23 15:09:59,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833482640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:59,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:59,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:09:59,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123830089] [2022-11-23 15:09:59,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:59,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:09:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:09:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:09:59,409 INFO L87 Difference]: Start difference. First operand 7468 states and 10084 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:10:03,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:04,705 INFO L93 Difference]: Finished difference Result 7570 states and 10177 transitions. [2022-11-23 15:10:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:10:04,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2022-11-23 15:10:04,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:04,732 INFO L225 Difference]: With dead ends: 7570 [2022-11-23 15:10:04,732 INFO L226 Difference]: Without dead ends: 7568 [2022-11-23 15:10:04,737 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:04,738 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1278 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 6308 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:04,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 6308 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1486 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-23 15:10:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2022-11-23 15:10:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 7468. [2022-11-23 15:10:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2528232311592533) internal successors, (5436), 4548 states have internal predecessors, (5436), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-23 15:10:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10080 transitions. [2022-11-23 15:10:05,399 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10080 transitions. Word has length 123 [2022-11-23 15:10:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:05,400 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10080 transitions. [2022-11-23 15:10:05,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:10:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10080 transitions. [2022-11-23 15:10:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-23 15:10:05,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:05,402 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:05,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:10:05,402 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:05,403 INFO L85 PathProgramCache]: Analyzing trace with hash 114628181, now seen corresponding path program 1 times [2022-11-23 15:10:05,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:05,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817054588] [2022-11-23 15:10:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:05,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:05,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:05,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817054588] [2022-11-23 15:10:05,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817054588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:05,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:05,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:05,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318395281] [2022-11-23 15:10:05,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:05,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:05,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:05,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:05,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:05,615 INFO L87 Difference]: Start difference. First operand 7468 states and 10080 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, (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) [2022-11-23 15:10:08,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:09,270 INFO L93 Difference]: Finished difference Result 7568 states and 10172 transitions. [2022-11-23 15:10:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:09,271 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, (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 95 [2022-11-23 15:10:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:09,295 INFO L225 Difference]: With dead ends: 7568 [2022-11-23 15:10:09,295 INFO L226 Difference]: Without dead ends: 7566 [2022-11-23 15:10:09,299 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:09,300 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1266 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:09,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:10:09,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2022-11-23 15:10:09,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7474. [2022-11-23 15:10:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7474 states, 4342 states have (on average 1.2526485490557346) internal successors, (5439), 4551 states have internal predecessors, (5439), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-23 15:10:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7474 states to 7474 states and 10087 transitions. [2022-11-23 15:10:09,748 INFO L78 Accepts]: Start accepts. Automaton has 7474 states and 10087 transitions. Word has length 95 [2022-11-23 15:10:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:09,748 INFO L495 AbstractCegarLoop]: Abstraction has 7474 states and 10087 transitions. [2022-11-23 15:10:09,749 INFO L496 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, (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) [2022-11-23 15:10:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 7474 states and 10087 transitions. [2022-11-23 15:10:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-23 15:10:09,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:09,750 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:09,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:10:09,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:09,751 INFO L85 PathProgramCache]: Analyzing trace with hash 435919057, now seen corresponding path program 1 times [2022-11-23 15:10:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:09,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516885563] [2022-11-23 15:10:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-23 15:10:09,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:09,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516885563] [2022-11-23 15:10:09,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516885563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:09,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:09,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:10:09,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99560237] [2022-11-23 15:10:09,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:09,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:10:09,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:09,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:10:09,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:10:09,988 INFO L87 Difference]: Start difference. First operand 7474 states and 10087 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:10:12,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:13,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:13,418 INFO L93 Difference]: Finished difference Result 14998 states and 20261 transitions. [2022-11-23 15:10:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:10:13,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2022-11-23 15:10:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:13,449 INFO L225 Difference]: With dead ends: 14998 [2022-11-23 15:10:13,449 INFO L226 Difference]: Without dead ends: 7556 [2022-11-23 15:10:13,486 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:13,486 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1253 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:13,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 2561 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 15:10:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-11-23 15:10:13,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7466. [2022-11-23 15:10:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7466 states, 4334 states have (on average 1.251269035532995) internal successors, (5423), 4543 states have internal predecessors, (5423), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-23 15:10:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 10071 transitions. [2022-11-23 15:10:13,969 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 10071 transitions. Word has length 126 [2022-11-23 15:10:13,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:13,970 INFO L495 AbstractCegarLoop]: Abstraction has 7466 states and 10071 transitions. [2022-11-23 15:10:13,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:10:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 10071 transitions. [2022-11-23 15:10:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:10:13,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:13,972 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:13,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 15:10:13,973 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:13,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:13,973 INFO L85 PathProgramCache]: Analyzing trace with hash -476971613, now seen corresponding path program 1 times [2022-11-23 15:10:13,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:13,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969601670] [2022-11-23 15:10:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:13,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-23 15:10:14,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:14,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969601670] [2022-11-23 15:10:14,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969601670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:14,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:14,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:10:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110271910] [2022-11-23 15:10:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:14,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:10:14,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:14,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:10:14,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:14,507 INFO L87 Difference]: Start difference. First operand 7466 states and 10071 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-23 15:10:17,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:18,382 INFO L93 Difference]: Finished difference Result 7490 states and 10089 transitions. [2022-11-23 15:10:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:18,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2022-11-23 15:10:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:18,405 INFO L225 Difference]: With dead ends: 7490 [2022-11-23 15:10:18,405 INFO L226 Difference]: Without dead ends: 7488 [2022-11-23 15:10:18,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:10:18,409 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 89 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:18,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 4582 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:10:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-11-23 15:10:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7471. [2022-11-23 15:10:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7471 states, 4338 states have (on average 1.2494236975564776) internal successors, (5420), 4547 states have internal predecessors, (5420), 2312 states have call successors, (2312), 792 states have call predecessors, (2312), 785 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-23 15:10:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 10064 transitions. [2022-11-23 15:10:18,815 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 10064 transitions. Word has length 129 [2022-11-23 15:10:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:18,816 INFO L495 AbstractCegarLoop]: Abstraction has 7471 states and 10064 transitions. [2022-11-23 15:10:18,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-23 15:10:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 10064 transitions. [2022-11-23 15:10:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 15:10:18,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:18,817 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:18,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:10:18,817 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1157791755, now seen corresponding path program 1 times [2022-11-23 15:10:18,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:18,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76034318] [2022-11-23 15:10:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:19,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:19,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76034318] [2022-11-23 15:10:19,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76034318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:19,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:19,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:19,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97963297] [2022-11-23 15:10:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:19,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:19,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:19,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:19,107 INFO L87 Difference]: Start difference. First operand 7471 states and 10064 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, (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) [2022-11-23 15:10:21,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:22,776 INFO L93 Difference]: Finished difference Result 7561 states and 10146 transitions. [2022-11-23 15:10:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:22,779 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, (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 100 [2022-11-23 15:10:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:22,811 INFO L225 Difference]: With dead ends: 7561 [2022-11-23 15:10:22,811 INFO L226 Difference]: Without dead ends: 7559 [2022-11-23 15:10:22,816 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:22,817 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1258 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:22,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:10:22,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2022-11-23 15:10:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7477. [2022-11-23 15:10:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7477 states, 4341 states have (on average 1.24925132457959) internal successors, (5423), 4550 states have internal predecessors, (5423), 2314 states have call successors, (2314), 793 states have call predecessors, (2314), 786 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-23 15:10:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10071 transitions. [2022-11-23 15:10:23,403 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10071 transitions. Word has length 100 [2022-11-23 15:10:23,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:23,403 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10071 transitions. [2022-11-23 15:10:23,404 INFO L496 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, (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) [2022-11-23 15:10:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10071 transitions. [2022-11-23 15:10:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-23 15:10:23,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:23,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:23,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:10:23,406 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash -929126191, now seen corresponding path program 1 times [2022-11-23 15:10:23,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:23,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088344237] [2022-11-23 15:10:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:23,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:23,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088344237] [2022-11-23 15:10:23,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088344237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:23,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:23,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:23,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336049735] [2022-11-23 15:10:23,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:23,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:23,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:23,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:23,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:23,649 INFO L87 Difference]: Start difference. First operand 7477 states and 10071 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-23 15:10:26,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:27,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:27,660 INFO L93 Difference]: Finished difference Result 9272 states and 12389 transitions. [2022-11-23 15:10:27,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:27,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 [2022-11-23 15:10:27,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:27,694 INFO L225 Difference]: With dead ends: 9272 [2022-11-23 15:10:27,695 INFO L226 Difference]: Without dead ends: 9270 [2022-11-23 15:10:27,699 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:27,700 INFO L413 NwaCegarLoop]: 1492 mSDtfsCounter, 1209 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:27,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 4057 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:10:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2022-11-23 15:10:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 9153. [2022-11-23 15:10:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9153 states, 5338 states have (on average 1.247658298988385) internal successors, (6660), 5584 states have internal predecessors, (6660), 2798 states have call successors, (2798), 989 states have call predecessors, (2798), 981 states have return successors, (2827), 2719 states have call predecessors, (2827), 2796 states have call successors, (2827) [2022-11-23 15:10:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9153 states to 9153 states and 12285 transitions. [2022-11-23 15:10:28,458 INFO L78 Accepts]: Start accepts. Automaton has 9153 states and 12285 transitions. Word has length 105 [2022-11-23 15:10:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:28,458 INFO L495 AbstractCegarLoop]: Abstraction has 9153 states and 12285 transitions. [2022-11-23 15:10:28,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-23 15:10:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9153 states and 12285 transitions. [2022-11-23 15:10:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-23 15:10:28,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:28,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:28,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:10:28,461 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:28,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1128860326, now seen corresponding path program 1 times [2022-11-23 15:10:28,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:28,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389726508] [2022-11-23 15:10:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:28,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:28,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389726508] [2022-11-23 15:10:28,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389726508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:28,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:28,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:28,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460320558] [2022-11-23 15:10:28,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:28,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:28,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:28,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:28,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:28,919 INFO L87 Difference]: Start difference. First operand 9153 states and 12285 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-23 15:10:31,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:32,905 INFO L93 Difference]: Finished difference Result 9259 states and 12381 transitions. [2022-11-23 15:10:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 [2022-11-23 15:10:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:32,940 INFO L225 Difference]: With dead ends: 9259 [2022-11-23 15:10:32,940 INFO L226 Difference]: Without dead ends: 9257 [2022-11-23 15:10:32,944 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:32,945 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1254 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:32,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:10:32,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2022-11-23 15:10:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 9193. [2022-11-23 15:10:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9193 states, 5362 states have (on average 1.2474822827303245) internal successors, (6689), 5608 states have internal predecessors, (6689), 2806 states have call successors, (2806), 997 states have call predecessors, (2806), 989 states have return successors, (2835), 2727 states have call predecessors, (2835), 2804 states have call successors, (2835) [2022-11-23 15:10:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 12330 transitions. [2022-11-23 15:10:33,687 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 12330 transitions. Word has length 110 [2022-11-23 15:10:33,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:33,688 INFO L495 AbstractCegarLoop]: Abstraction has 9193 states and 12330 transitions. [2022-11-23 15:10:33,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-23 15:10:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 12330 transitions. [2022-11-23 15:10:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-23 15:10:33,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:33,690 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:33,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 15:10:33,691 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:33,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash -270282137, now seen corresponding path program 1 times [2022-11-23 15:10:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:33,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242720542] [2022-11-23 15:10:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:33,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:33,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:33,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242720542] [2022-11-23 15:10:33,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242720542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:33,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:33,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750826565] [2022-11-23 15:10:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:33,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:33,926 INFO L87 Difference]: Start difference. First operand 9193 states and 12330 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-23 15:10:36,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:37,771 INFO L93 Difference]: Finished difference Result 9257 states and 12378 transitions. [2022-11-23 15:10:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:37,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 [2022-11-23 15:10:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:37,795 INFO L225 Difference]: With dead ends: 9257 [2022-11-23 15:10:37,795 INFO L226 Difference]: Without dead ends: 9255 [2022-11-23 15:10:37,799 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:37,800 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1251 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:37,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:10:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2022-11-23 15:10:38,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9198. [2022-11-23 15:10:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9198 states, 5365 states have (on average 1.2471575023299162) internal successors, (6691), 5611 states have internal predecessors, (6691), 2807 states have call successors, (2807), 998 states have call predecessors, (2807), 990 states have return successors, (2836), 2728 states have call predecessors, (2836), 2805 states have call successors, (2836) [2022-11-23 15:10:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9198 states to 9198 states and 12334 transitions. [2022-11-23 15:10:38,433 INFO L78 Accepts]: Start accepts. Automaton has 9198 states and 12334 transitions. Word has length 115 [2022-11-23 15:10:38,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:38,434 INFO L495 AbstractCegarLoop]: Abstraction has 9198 states and 12334 transitions. [2022-11-23 15:10:38,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-23 15:10:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 9198 states and 12334 transitions. [2022-11-23 15:10:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 15:10:38,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:38,436 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:38,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:10:38,436 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1160499627, now seen corresponding path program 1 times [2022-11-23 15:10:38,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:38,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62313313] [2022-11-23 15:10:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:38,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:38,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62313313] [2022-11-23 15:10:38,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62313313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:38,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:38,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:38,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566828308] [2022-11-23 15:10:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:38,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:38,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:38,669 INFO L87 Difference]: Start difference. First operand 9198 states and 12334 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2022-11-23 15:10:41,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:42,601 INFO L93 Difference]: Finished difference Result 9255 states and 12375 transitions. [2022-11-23 15:10:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:42,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 [2022-11-23 15:10:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:42,623 INFO L225 Difference]: With dead ends: 9255 [2022-11-23 15:10:42,623 INFO L226 Difference]: Without dead ends: 9253 [2022-11-23 15:10:42,627 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:42,627 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1248 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:42,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:10:42,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-11-23 15:10:43,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 9203. [2022-11-23 15:10:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9203 states, 5368 states have (on average 1.246833084947839) internal successors, (6693), 5614 states have internal predecessors, (6693), 2808 states have call successors, (2808), 999 states have call predecessors, (2808), 991 states have return successors, (2837), 2729 states have call predecessors, (2837), 2806 states have call successors, (2837) [2022-11-23 15:10:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9203 states to 9203 states and 12338 transitions. [2022-11-23 15:10:43,269 INFO L78 Accepts]: Start accepts. Automaton has 9203 states and 12338 transitions. Word has length 120 [2022-11-23 15:10:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:43,269 INFO L495 AbstractCegarLoop]: Abstraction has 9203 states and 12338 transitions. [2022-11-23 15:10:43,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2022-11-23 15:10:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 9203 states and 12338 transitions. [2022-11-23 15:10:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-23 15:10:43,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:43,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:43,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-23 15:10:43,271 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:43,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1312275688, now seen corresponding path program 1 times [2022-11-23 15:10:43,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:43,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298129254] [2022-11-23 15:10:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:10:43,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:43,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298129254] [2022-11-23 15:10:43,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298129254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:43,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:43,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:43,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941168434] [2022-11-23 15:10:43,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:43,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:43,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:43,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:43,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:43,501 INFO L87 Difference]: Start difference. First operand 9203 states and 12338 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:10:46,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:47,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:47,539 INFO L93 Difference]: Finished difference Result 9253 states and 12372 transitions. [2022-11-23 15:10:47,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:47,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-23 15:10:47,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:47,563 INFO L225 Difference]: With dead ends: 9253 [2022-11-23 15:10:47,563 INFO L226 Difference]: Without dead ends: 9251 [2022-11-23 15:10:47,566 INFO L412 NwaCegarLoop]: 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 [2022-11-23 15:10:47,566 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1245 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:47,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:10:47,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2022-11-23 15:10:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9208. [2022-11-23 15:10:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9208 states, 5371 states have (on average 1.246509029975796) internal successors, (6695), 5617 states have internal predecessors, (6695), 2809 states have call successors, (2809), 1000 states have call predecessors, (2809), 992 states have return successors, (2838), 2730 states have call predecessors, (2838), 2807 states have call successors, (2838) [2022-11-23 15:10:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12342 transitions. [2022-11-23 15:10:48,191 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12342 transitions. Word has length 125 [2022-11-23 15:10:48,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:48,192 INFO L495 AbstractCegarLoop]: Abstraction has 9208 states and 12342 transitions. [2022-11-23 15:10:48,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:10:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12342 transitions. [2022-11-23 15:10:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-23 15:10:48,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:48,194 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:48,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 15:10:48,194 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:10:48,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:48,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1832114522, now seen corresponding path program 1 times [2022-11-23 15:10:48,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:48,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971399748] [2022-11-23 15:10:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-23 15:10:50,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:50,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971399748] [2022-11-23 15:10:50,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971399748] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:10:50,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728587421] [2022-11-23 15:10:50,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:50,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:10:50,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:10:50,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:10:50,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7aa95a-5135-4fd6-8fb9-3127be469f7b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:10:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:51,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1891 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-23 15:10:51,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:10:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-23 15:10:51,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:10:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-23 15:10:51,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728587421] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:10:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040240722] [2022-11-23 15:10:51,752 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-23 15:10:51,752 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:10:51,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:10:51,762 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:10:51,762 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:10:53,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 15:10:53,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 15:10:54,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 15:10:54,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-23 15:11:23,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 15:11:23,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:11:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:34,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:35,157 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-23 15:11:35,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4363 treesize of output 4210 [2022-11-23 15:11:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:35,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:36,284 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-23 15:11:36,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4355 treesize of output 4210 [2022-11-23 15:11:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:37,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:37,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:11:37,567 INFO L321 Elim1Store]: treesize reduction 96, result has 41.1 percent of original size [2022-11-23 15:11:37,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 80 select indices, 80 select index equivalence classes, 775 disjoint index pairs (out of 3160 index pairs), introduced 80 new quantified variables, introduced 6 case distinctions, treesize of input 4335 treesize of output 4132 [2022-11-23 15:11:38,112 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:11:38,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 4283 treesize of output 4281 [2022-11-23 15:11:38,772 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:11:38,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 4278 treesize of output 4278 [2022-11-23 15:16:21,755 WARN L233 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 1055 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:20:54,959 WARN L233 SmtUtils]: Spent 19.17s on a formula simplification. DAG size of input: 1157 DAG size of output: 1157 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)