./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 b5237d83 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:40:57,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:40:57,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:40:57,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:40:57,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:40:57,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:40:57,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:40:57,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:40:57,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:40:57,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:40:57,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:40:57,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:40:57,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:40:57,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:40:57,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:40:57,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:40:57,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:40:57,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:40:57,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:40:57,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:40:57,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:40:57,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:40:57,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:40:57,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:40:57,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:40:57,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:40:57,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:40:57,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:40:57,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:40:57,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:40:57,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:40:57,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:40:57,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:40:57,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:40:57,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:40:57,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:40:57,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:40:57,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:40:57,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:40:57,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:40:57,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:40:57,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:40:57,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:40:57,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:40:57,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:40:57,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:40:57,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:40:57,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:40:57,658 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:40:57,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:40:57,658 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:40:57,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:40:57,659 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:40:57,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:40:57,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:40:57,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:40:57,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:40:57,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:40:57,660 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:40:57,660 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:40:57,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:40:57,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:40:57,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:40:57,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:40:57,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:40:57,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:40:57,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:40:57,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:40:57,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:40:57,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:40:57,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:40:57,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:57,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:40:57,664 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:40:57,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:40:57,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:40:57,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:40:57,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:40:57,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:40:57,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:40:57,666 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2022-11-22 01:40:57,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:40:57,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:40:57,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:40:57,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:40:57,999 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:40:58,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-22 01:41:01,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:41:01,784 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:41:01,785 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-22 01:41:01,843 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/data/3fa6a352b/2ff5a2974ce045fc8fab094291b509eb/FLAG8e7f63804 [2022-11-22 01:41:01,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/data/3fa6a352b/2ff5a2974ce045fc8fab094291b509eb [2022-11-22 01:41:01,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:41:01,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:41:01,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:01,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:41:01,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:41:01,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:01" (1/1) ... [2022-11-22 01:41:01,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ea84d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:01, skipping insertion in model container [2022-11-22 01:41:01,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:01" (1/1) ... [2022-11-22 01:41:01,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:41:02,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:41:05,693 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-22 01:41:05,702 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-22 01:41:05,703 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-22 01:41:05,710 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-22 01:41:05,712 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-22 01:41:05,719 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-22 01:41:05,720 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-22 01:41:05,720 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-22 01:41:05,721 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-22 01:41:05,721 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-22 01:41:05,723 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-22 01:41:05,724 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-22 01:41:05,726 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-22 01:41:05,727 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-22 01:41:05,727 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-22 01:41:05,727 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-22 01:41:05,728 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-22 01:41:05,728 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-22 01:41:05,728 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-22 01:41:05,728 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-22 01:41:05,729 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-22 01:41:05,729 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-22 01:41:05,729 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-22 01:41:05,730 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-22 01:41:05,730 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-22 01:41:05,730 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-22 01:41:05,731 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-22 01:41:05,731 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-22 01:41:05,731 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-22 01:41:05,732 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-22 01:41:05,732 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-22 01:41:05,733 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-22 01:41:05,733 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-22 01:41:05,734 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-22 01:41:05,734 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-22 01:41:05,734 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-22 01:41:05,735 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-22 01:41:05,735 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-22 01:41:05,736 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-22 01:41:05,736 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-22 01:41:05,737 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-22 01:41:05,737 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-22 01:41:05,738 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-22 01:41:05,738 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-22 01:41:05,739 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-22 01:41:05,739 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-22 01:41:05,740 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-22 01:41:05,740 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-22 01:41:05,741 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-22 01:41:05,741 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-22 01:41:05,742 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-22 01:41:05,742 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-22 01:41:05,743 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-22 01:41:05,743 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-22 01:41:05,743 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-22 01:41:05,744 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-22 01:41:05,744 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-22 01:41:05,745 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-22 01:41:05,745 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-22 01:41:05,746 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-22 01:41:05,746 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-22 01:41:05,747 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-22 01:41:05,747 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-22 01:41:05,748 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-22 01:41:05,748 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-22 01:41:05,749 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-22 01:41:05,749 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-22 01:41:05,750 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-22 01:41:05,750 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-22 01:41:05,751 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-22 01:41:05,751 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-22 01:41:05,752 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-22 01:41:05,752 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-22 01:41:05,753 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-22 01:41:05,753 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-22 01:41:05,753 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-22 01:41:05,754 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-22 01:41:05,754 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-22 01:41:05,755 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-22 01:41:05,755 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-22 01:41:05,756 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-22 01:41:05,756 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-22 01:41:05,757 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-22 01:41:05,757 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-22 01:41:05,758 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-22 01:41:05,758 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-22 01:41:05,759 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-22 01:41:05,759 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-22 01:41:05,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:05,814 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:41:06,177 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-22 01:41:06,178 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-22 01:41:06,179 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-22 01:41:06,179 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-22 01:41:06,184 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-22 01:41:06,184 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-22 01:41:06,185 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-22 01:41:06,185 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-22 01:41:06,186 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-22 01:41:06,186 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-22 01:41:06,187 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-22 01:41:06,187 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-22 01:41:06,188 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-22 01:41:06,189 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-22 01:41:06,189 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-22 01:41:06,190 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-22 01:41:06,190 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-22 01:41:06,190 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-22 01:41:06,191 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-22 01:41:06,191 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-22 01:41:06,192 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-22 01:41:06,193 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-22 01:41:06,193 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-22 01:41:06,194 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-22 01:41:06,195 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-22 01:41:06,195 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-22 01:41:06,197 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-22 01:41:06,198 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-22 01:41:06,199 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-22 01:41:06,199 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-22 01:41:06,199 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-22 01:41:06,200 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-22 01:41:06,200 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-22 01:41:06,201 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-22 01:41:06,202 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-22 01:41:06,203 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-22 01:41:06,203 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-22 01:41:06,204 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-22 01:41:06,205 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-22 01:41:06,205 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-22 01:41:06,206 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-22 01:41:06,207 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-22 01:41:06,208 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-22 01:41:06,209 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-22 01:41:06,209 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-22 01:41:06,210 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-22 01:41:06,210 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-22 01:41:06,211 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-22 01:41:06,211 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-22 01:41:06,212 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-22 01:41:06,212 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-22 01:41:06,213 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-22 01:41:06,214 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-22 01:41:06,214 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-22 01:41:06,216 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-22 01:41:06,217 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-22 01:41:06,220 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-22 01:41:06,222 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-22 01:41:06,222 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-22 01:41:06,224 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-22 01:41:06,224 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-22 01:41:06,225 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-22 01:41:06,231 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-22 01:41:06,232 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-22 01:41:06,233 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-22 01:41:06,237 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-22 01:41:06,238 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-22 01:41:06,239 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-22 01:41:06,241 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-22 01:41:06,241 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-22 01:41:06,242 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-22 01:41:06,242 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-22 01:41:06,243 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-22 01:41:06,244 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-22 01:41:06,244 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-22 01:41:06,245 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-22 01:41:06,245 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-22 01:41:06,246 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-22 01:41:06,247 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-22 01:41:06,248 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-22 01:41:06,249 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-22 01:41:06,249 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-22 01:41:06,250 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-22 01:41:06,250 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-22 01:41:06,250 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-22 01:41:06,251 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-22 01:41:06,251 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-22 01:41:06,252 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_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-22 01:41:06,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:06,537 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:41:06,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06 WrapperNode [2022-11-22 01:41:06,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:06,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:06,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:41:06,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:41:06,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,837 INFO L138 Inliner]: procedures = 602, calls = 2176, calls flagged for inlining = 265, calls inlined = 157, statements flattened = 3113 [2022-11-22 01:41:06,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:06,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:41:06,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:41:06,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:41:06,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:06,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:07,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:41:07,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:41:07,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:41:07,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:41:07,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (1/1) ... [2022-11-22 01:41:07,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:07,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:41:07,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:41:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:41:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:41:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:41:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:41:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-11-22 01:41:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-11-22 01:41:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-11-22 01:41:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-11-22 01:41:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-22 01:41:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-22 01:41:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-22 01:41:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-22 01:41:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:41:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:41:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:41:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:41:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:41:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:41:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-22 01:41:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-22 01:41:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:41:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:41:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:41:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:41:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-22 01:41:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-22 01:41:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:41:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:41:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:41:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:41:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:41:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:41:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:41:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:41:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:41:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-22 01:41:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-22 01:41:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:41:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-11-22 01:41:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-11-22 01:41:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 01:41:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 01:41:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-11-22 01:41:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-11-22 01:41:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:41:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:41:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-11-22 01:41:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-11-22 01:41:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:41:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:41:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:41:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:41:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 01:41:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 01:41:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:41:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:41:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:41:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:41:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:41:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:41:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:41:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-11-22 01:41:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-11-22 01:41:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:41:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:41:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:41:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:41:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-11-22 01:41:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-11-22 01:41:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:41:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:41:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:41:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:41:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-22 01:41:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-22 01:41:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-22 01:41:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-22 01:41:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:41:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:41:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-11-22 01:41:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-11-22 01:41:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-11-22 01:41:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-11-22 01:41:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:41:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:41:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-22 01:41:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-22 01:41:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-22 01:41:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:41:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-11-22 01:41:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-22 01:41:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-22 01:41:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-11-22 01:41:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-22 01:41:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-11-22 01:41:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-11-22 01:41:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:41:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-22 01:41:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:41:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 01:41:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:41:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:41:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-22 01:41:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-22 01:41:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-22 01:41:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-22 01:41:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-22 01:41:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-11-22 01:41:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-22 01:41:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-22 01:41:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-22 01:41:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:41:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-22 01:41:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-22 01:41:07,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:41:07,925 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:41:08,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:41:10,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:41:11,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:41:11,389 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:41:11,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:11 BoogieIcfgContainer [2022-11-22 01:41:11,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:41:11,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:41:11,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:41:11,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:41:11,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:41:01" (1/3) ... [2022-11-22 01:41:11,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a0bdea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:11, skipping insertion in model container [2022-11-22 01:41:11,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:06" (2/3) ... [2022-11-22 01:41:11,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a0bdea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:11, skipping insertion in model container [2022-11-22 01:41:11,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:11" (3/3) ... [2022-11-22 01:41:11,402 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-22 01:41:11,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:41:11,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-22 01:41:11,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:41:11,496 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;@1e5746c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:41:11,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-22 01:41:11,505 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) [2022-11-22 01:41:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-22 01:41:11,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:11,515 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] [2022-11-22 01:41:11,516 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)] === [2022-11-22 01:41:11,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:11,521 INFO L85 PathProgramCache]: Analyzing trace with hash 580379619, now seen corresponding path program 1 times [2022-11-22 01:41:11,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:11,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236679374] [2022-11-22 01:41:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:12,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:12,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236679374] [2022-11-22 01:41:12,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236679374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:12,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:12,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926799165] [2022-11-22 01:41:12,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:12,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:12,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:12,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:12,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:12,468 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) [2022-11-22 01:41:15,502 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 [] [2022-11-22 01:41:16,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:16,037 INFO L93 Difference]: Finished difference Result 2996 states and 4276 transitions. [2022-11-22 01:41:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:16,039 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 [2022-11-22 01:41:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:16,081 INFO L225 Difference]: With dead ends: 2996 [2022-11-22 01:41:16,081 INFO L226 Difference]: Without dead ends: 1986 [2022-11-22 01:41:16,095 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 [2022-11-22 01:41:16,098 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1312 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:16,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 4020 Invalid, 530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:41:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-11-22 01:41:16,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1804. [2022-11-22 01:41:16,341 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) [2022-11-22 01:41:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2412 transitions. [2022-11-22 01:41:16,362 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2412 transitions. Word has length 38 [2022-11-22 01:41:16,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:16,363 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2412 transitions. [2022-11-22 01:41:16,363 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) [2022-11-22 01:41:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2412 transitions. [2022-11-22 01:41:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-22 01:41:16,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:16,366 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] [2022-11-22 01:41:16,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:41:16,368 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)] === [2022-11-22 01:41:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:16,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1571141024, now seen corresponding path program 1 times [2022-11-22 01:41:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:16,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982672404] [2022-11-22 01:41:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:16,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:41:17,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:17,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982672404] [2022-11-22 01:41:17,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982672404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:17,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:17,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-22 01:41:17,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085146367] [2022-11-22 01:41:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:17,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:41:17,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:17,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:41:17,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:41:17,350 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) [2022-11-22 01:41:22,561 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 [] [2022-11-22 01:41:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:22,612 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2022-11-22 01:41:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:41:22,613 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 [2022-11-22 01:41:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:22,624 INFO L225 Difference]: With dead ends: 1998 [2022-11-22 01:41:22,624 INFO L226 Difference]: Without dead ends: 1837 [2022-11-22 01:41:22,626 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 [2022-11-22 01:41:22,627 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 24 mSDsluCounter, 10232 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 93 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:22,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 11386 Invalid, 2121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 2027 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-22 01:41:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2022-11-22 01:41:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1813. [2022-11-22 01:41:22,726 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) [2022-11-22 01:41:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2425 transitions. [2022-11-22 01:41:22,743 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2425 transitions. Word has length 42 [2022-11-22 01:41:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:22,743 INFO L495 AbstractCegarLoop]: Abstraction has 1813 states and 2425 transitions. [2022-11-22 01:41:22,744 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) [2022-11-22 01:41:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2425 transitions. [2022-11-22 01:41:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-22 01:41:22,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:22,753 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] [2022-11-22 01:41:22,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:41:22,755 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)] === [2022-11-22 01:41:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1539125199, now seen corresponding path program 1 times [2022-11-22 01:41:22,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:22,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722908322] [2022-11-22 01:41:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:23,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:23,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722908322] [2022-11-22 01:41:23,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722908322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:23,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:23,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:23,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305352019] [2022-11-22 01:41:23,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:23,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:23,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:23,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:23,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:23,009 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) [2022-11-22 01:41:25,900 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 [] [2022-11-22 01:41:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:26,381 INFO L93 Difference]: Finished difference Result 3539 states and 4734 transitions. [2022-11-22 01:41:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:26,382 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 [2022-11-22 01:41:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:26,405 INFO L225 Difference]: With dead ends: 3539 [2022-11-22 01:41:26,405 INFO L226 Difference]: Without dead ends: 3537 [2022-11-22 01:41:26,410 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 [2022-11-22 01:41:26,413 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 1270 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4006 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:26,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 4006 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:41:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-11-22 01:41:26,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3349. [2022-11-22 01:41:26,599 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) [2022-11-22 01:41:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4535 transitions. [2022-11-22 01:41:26,632 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4535 transitions. Word has length 43 [2022-11-22 01:41:26,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:26,632 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4535 transitions. [2022-11-22 01:41:26,632 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) [2022-11-22 01:41:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4535 transitions. [2022-11-22 01:41:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-22 01:41:26,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:26,636 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] [2022-11-22 01:41:26,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:41:26,636 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)] === [2022-11-22 01:41:26,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1983067535, now seen corresponding path program 1 times [2022-11-22 01:41:26,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:26,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103182709] [2022-11-22 01:41:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:26,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:26,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103182709] [2022-11-22 01:41:26,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103182709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:26,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:26,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:26,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976227139] [2022-11-22 01:41:26,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:26,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:26,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:26,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:26,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:26,886 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) [2022-11-22 01:41:29,747 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 [] [2022-11-22 01:41:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:30,472 INFO L93 Difference]: Finished difference Result 6591 states and 8916 transitions. [2022-11-22 01:41:30,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:30,473 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 [2022-11-22 01:41:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:30,511 INFO L225 Difference]: With dead ends: 6591 [2022-11-22 01:41:30,511 INFO L226 Difference]: Without dead ends: 6589 [2022-11-22 01:41:30,516 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 [2022-11-22 01:41:30,520 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 1290 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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 [2022-11-22 01:41:30,522 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] [2022-11-22 01:41:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2022-11-22 01:41:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6403. [2022-11-22 01:41:30,909 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) [2022-11-22 01:41:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6403 states to 6403 states and 8723 transitions. [2022-11-22 01:41:30,984 INFO L78 Accepts]: Start accepts. Automaton has 6403 states and 8723 transitions. Word has length 48 [2022-11-22 01:41:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:30,985 INFO L495 AbstractCegarLoop]: Abstraction has 6403 states and 8723 transitions. [2022-11-22 01:41:30,985 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) [2022-11-22 01:41:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6403 states and 8723 transitions. [2022-11-22 01:41:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-22 01:41:30,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:30,987 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] [2022-11-22 01:41:30,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:41:30,988 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)] === [2022-11-22 01:41:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1158847928, now seen corresponding path program 1 times [2022-11-22 01:41:30,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:30,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712119970] [2022-11-22 01:41:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:41:31,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:31,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712119970] [2022-11-22 01:41:31,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712119970] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:41:31,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908621912] [2022-11-22 01:41:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:31,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:41:31,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:31,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:41:31,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:41:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:32,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-22 01:41:32,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:41:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:41:32,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:41:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908621912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:32,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:41:32,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-22 01:41:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325177261] [2022-11-22 01:41:32,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:41:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:32,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:41:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:41:32,292 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) [2022-11-22 01:41:36,470 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 [] [2022-11-22 01:41:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:36,737 INFO L93 Difference]: Finished difference Result 6882 states and 9413 transitions. [2022-11-22 01:41:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:41:36,738 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 [2022-11-22 01:41:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:36,781 INFO L225 Difference]: With dead ends: 6882 [2022-11-22 01:41:36,781 INFO L226 Difference]: Without dead ends: 6680 [2022-11-22 01:41:36,786 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 [2022-11-22 01:41:36,787 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 49 mSDsluCounter, 6031 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:36,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7283 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1220 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-22 01:41:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-22 01:41:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6405. [2022-11-22 01:41:37,233 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) [2022-11-22 01:41:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 8725 transitions. [2022-11-22 01:41:37,275 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 8725 transitions. Word has length 55 [2022-11-22 01:41:37,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:37,275 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 8725 transitions. [2022-11-22 01:41:37,276 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) [2022-11-22 01:41:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 8725 transitions. [2022-11-22 01:41:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-22 01:41:37,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:37,279 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] [2022-11-22 01:41:37,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:41:37,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:41:37,488 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)] === [2022-11-22 01:41:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:37,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1892931426, now seen corresponding path program 1 times [2022-11-22 01:41:37,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:37,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23226819] [2022-11-22 01:41:37,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:37,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:37,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23226819] [2022-11-22 01:41:37,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23226819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:37,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:37,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:37,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390209398] [2022-11-22 01:41:37,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:37,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:37,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:37,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:37,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:37,736 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) [2022-11-22 01:41:40,611 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 [] [2022-11-22 01:41:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:41,330 INFO L93 Difference]: Finished difference Result 6611 states and 8939 transitions. [2022-11-22 01:41:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:41,330 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 [2022-11-22 01:41:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:41,386 INFO L225 Difference]: With dead ends: 6611 [2022-11-22 01:41:41,386 INFO L226 Difference]: Without dead ends: 6609 [2022-11-22 01:41:41,390 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 [2022-11-22 01:41:41,391 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 [2022-11-22 01:41:41,392 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] [2022-11-22 01:41:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-11-22 01:41:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6447. [2022-11-22 01:41:41,835 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) [2022-11-22 01:41:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 8777 transitions. [2022-11-22 01:41:41,881 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 8777 transitions. Word has length 53 [2022-11-22 01:41:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:41,882 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 8777 transitions. [2022-11-22 01:41:41,882 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) [2022-11-22 01:41:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 8777 transitions. [2022-11-22 01:41:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 01:41:41,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:41,884 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] [2022-11-22 01:41:41,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:41:41,884 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)] === [2022-11-22 01:41:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash -491025950, now seen corresponding path program 1 times [2022-11-22 01:41:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:41,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369232280] [2022-11-22 01:41:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:41,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-22 01:41:42,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369232280] [2022-11-22 01:41:42,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369232280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:42,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:42,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-22 01:41:42,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161073794] [2022-11-22 01:41:42,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:42,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:41:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:42,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:41:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:41:42,995 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) [2022-11-22 01:41:48,363 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 [] [2022-11-22 01:41:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:48,729 INFO L93 Difference]: Finished difference Result 6969 states and 9412 transitions. [2022-11-22 01:41:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:41:48,729 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 [2022-11-22 01:41:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:48,817 INFO L225 Difference]: With dead ends: 6969 [2022-11-22 01:41:48,817 INFO L226 Difference]: Without dead ends: 6597 [2022-11-22 01:41:48,821 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 [2022-11-22 01:41:48,821 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 33 mSDsluCounter, 11327 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:48,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 12480 Invalid, 2357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2236 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-22 01:41:48,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6597 states. [2022-11-22 01:41:49,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6597 to 6518. [2022-11-22 01:41:49,165 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) [2022-11-22 01:41:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8876 transitions. [2022-11-22 01:41:49,199 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8876 transitions. Word has length 59 [2022-11-22 01:41:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:49,200 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8876 transitions. [2022-11-22 01:41:49,200 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) [2022-11-22 01:41:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8876 transitions. [2022-11-22 01:41:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 01:41:49,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:49,201 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] [2022-11-22 01:41:49,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:41:49,201 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)] === [2022-11-22 01:41:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash 845912774, now seen corresponding path program 1 times [2022-11-22 01:41:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:49,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838480858] [2022-11-22 01:41:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:49,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:49,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838480858] [2022-11-22 01:41:49,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838480858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:49,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:49,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:49,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115687612] [2022-11-22 01:41:49,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:49,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:49,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:49,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:49,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:49,434 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) [2022-11-22 01:41:52,251 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 [] [2022-11-22 01:41:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:53,013 INFO L93 Difference]: Finished difference Result 6680 states and 9036 transitions. [2022-11-22 01:41:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:53,013 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 [2022-11-22 01:41:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:53,044 INFO L225 Difference]: With dead ends: 6680 [2022-11-22 01:41:53,044 INFO L226 Difference]: Without dead ends: 6678 [2022-11-22 01:41:53,049 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 [2022-11-22 01:41:53,051 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 [2022-11-22 01:41:53,051 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] [2022-11-22 01:41:53,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-22 01:41:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6524. [2022-11-22 01:41:53,547 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) [2022-11-22 01:41:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8883 transitions. [2022-11-22 01:41:53,583 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8883 transitions. Word has length 58 [2022-11-22 01:41:53,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:53,583 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8883 transitions. [2022-11-22 01:41:53,583 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) [2022-11-22 01:41:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8883 transitions. [2022-11-22 01:41:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-22 01:41:53,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:53,585 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] [2022-11-22 01:41:53,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:41:53,585 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)] === [2022-11-22 01:41:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:53,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1560602758, now seen corresponding path program 1 times [2022-11-22 01:41:53,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:53,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057553786] [2022-11-22 01:41:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:53,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:53,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:53,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057553786] [2022-11-22 01:41:53,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057553786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:53,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:53,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:53,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137418490] [2022-11-22 01:41:53,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:53,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:53,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:53,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:53,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:53,841 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) [2022-11-22 01:41:56,646 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 [] [2022-11-22 01:41:57,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:57,398 INFO L93 Difference]: Finished difference Result 6678 states and 9034 transitions. [2022-11-22 01:41:57,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:57,399 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 [2022-11-22 01:41:57,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:57,428 INFO L225 Difference]: With dead ends: 6678 [2022-11-22 01:41:57,428 INFO L226 Difference]: Without dead ends: 6676 [2022-11-22 01:41:57,433 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 [2022-11-22 01:41:57,434 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1288 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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 [2022-11-22 01:41:57,434 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] [2022-11-22 01:41:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-22 01:41:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6530. [2022-11-22 01:41:57,806 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) [2022-11-22 01:41:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8890 transitions. [2022-11-22 01:41:57,839 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8890 transitions. Word has length 63 [2022-11-22 01:41:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:57,840 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8890 transitions. [2022-11-22 01:41:57,840 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) [2022-11-22 01:41:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8890 transitions. [2022-11-22 01:41:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-22 01:41:57,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:57,841 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] [2022-11-22 01:41:57,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:41:57,842 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)] === [2022-11-22 01:41:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1803948370, now seen corresponding path program 1 times [2022-11-22 01:41:57,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:57,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899640106] [2022-11-22 01:41:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:41:58,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:58,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899640106] [2022-11-22 01:41:58,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899640106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:58,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:41:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862889730] [2022-11-22 01:41:58,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:58,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:58,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:58,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:58,082 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) [2022-11-22 01:42:00,859 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 [] [2022-11-22 01:42:01,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:01,625 INFO L93 Difference]: Finished difference Result 6676 states and 9032 transitions. [2022-11-22 01:42:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:01,626 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 [2022-11-22 01:42:01,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:01,661 INFO L225 Difference]: With dead ends: 6676 [2022-11-22 01:42:01,662 INFO L226 Difference]: Without dead ends: 6674 [2022-11-22 01:42:01,667 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 [2022-11-22 01:42:01,668 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 [2022-11-22 01:42:01,669 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] [2022-11-22 01:42:01,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-22 01:42:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6536. [2022-11-22 01:42:02,148 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) [2022-11-22 01:42:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 8897 transitions. [2022-11-22 01:42:02,183 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 8897 transitions. Word has length 68 [2022-11-22 01:42:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:02,185 INFO L495 AbstractCegarLoop]: Abstraction has 6536 states and 8897 transitions. [2022-11-22 01:42:02,185 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) [2022-11-22 01:42:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 8897 transitions. [2022-11-22 01:42:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 01:42:02,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:02,193 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] [2022-11-22 01:42:02,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:42:02,193 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)] === [2022-11-22 01:42:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:02,194 INFO L85 PathProgramCache]: Analyzing trace with hash 221373780, now seen corresponding path program 1 times [2022-11-22 01:42:02,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:02,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787255999] [2022-11-22 01:42:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:02,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:02,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787255999] [2022-11-22 01:42:02,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787255999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:02,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:02,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:02,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687126070] [2022-11-22 01:42:02,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:02,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:02,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:02,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:02,421 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) [2022-11-22 01:42:05,230 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 [] [2022-11-22 01:42:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:05,996 INFO L93 Difference]: Finished difference Result 6674 states and 9030 transitions. [2022-11-22 01:42:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:05,996 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 [2022-11-22 01:42:05,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:06,028 INFO L225 Difference]: With dead ends: 6674 [2022-11-22 01:42:06,028 INFO L226 Difference]: Without dead ends: 6672 [2022-11-22 01:42:06,033 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 [2022-11-22 01:42:06,034 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 [2022-11-22 01:42:06,034 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] [2022-11-22 01:42:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-22 01:42:06,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6544. [2022-11-22 01:42:06,461 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) [2022-11-22 01:42:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8907 transitions. [2022-11-22 01:42:06,495 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8907 transitions. Word has length 73 [2022-11-22 01:42:06,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:06,495 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8907 transitions. [2022-11-22 01:42:06,496 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) [2022-11-22 01:42:06,496 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8907 transitions. [2022-11-22 01:42:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 01:42:06,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:06,498 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] [2022-11-22 01:42:06,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:42:06,499 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)] === [2022-11-22 01:42:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:06,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2008027849, now seen corresponding path program 1 times [2022-11-22 01:42:06,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:06,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50184557] [2022-11-22 01:42:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:06,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:06,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:06,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50184557] [2022-11-22 01:42:06,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50184557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:06,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:06,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:06,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975915044] [2022-11-22 01:42:06,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:06,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:06,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:06,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:06,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:06,761 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) [2022-11-22 01:42:09,624 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 [] [2022-11-22 01:42:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:10,320 INFO L93 Difference]: Finished difference Result 6672 states and 9028 transitions. [2022-11-22 01:42:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:10,320 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 [2022-11-22 01:42:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:10,350 INFO L225 Difference]: With dead ends: 6672 [2022-11-22 01:42:10,351 INFO L226 Difference]: Without dead ends: 6670 [2022-11-22 01:42:10,356 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 [2022-11-22 01:42:10,357 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1278 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:10,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:42:10,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2022-11-22 01:42:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6544. [2022-11-22 01:42:10,766 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) [2022-11-22 01:42:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8906 transitions. [2022-11-22 01:42:10,800 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8906 transitions. Word has length 75 [2022-11-22 01:42:10,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:10,800 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8906 transitions. [2022-11-22 01:42:10,800 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) [2022-11-22 01:42:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8906 transitions. [2022-11-22 01:42:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:42:10,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:10,802 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] [2022-11-22 01:42:10,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:42:10,802 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)] === [2022-11-22 01:42:10,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:10,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1920795639, now seen corresponding path program 1 times [2022-11-22 01:42:10,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:10,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632432606] [2022-11-22 01:42:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:11,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:11,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632432606] [2022-11-22 01:42:11,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632432606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:11,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:11,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:11,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627066274] [2022-11-22 01:42:11,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:11,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:11,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:11,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:11,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:11,034 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) [2022-11-22 01:42:13,823 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 [] [2022-11-22 01:42:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:14,487 INFO L93 Difference]: Finished difference Result 6670 states and 9026 transitions. [2022-11-22 01:42:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:14,488 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 [2022-11-22 01:42:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:14,515 INFO L225 Difference]: With dead ends: 6670 [2022-11-22 01:42:14,516 INFO L226 Difference]: Without dead ends: 6668 [2022-11-22 01:42:14,520 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 [2022-11-22 01:42:14,521 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1277 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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 [2022-11-22 01:42:14,521 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] [2022-11-22 01:42:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-22 01:42:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6550. [2022-11-22 01:42:14,985 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) [2022-11-22 01:42:15,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8913 transitions. [2022-11-22 01:42:15,018 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8913 transitions. Word has length 80 [2022-11-22 01:42:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:15,018 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8913 transitions. [2022-11-22 01:42:15,019 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) [2022-11-22 01:42:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8913 transitions. [2022-11-22 01:42:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 01:42:15,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:15,020 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] [2022-11-22 01:42:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:42:15,020 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)] === [2022-11-22 01:42:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1332796663, now seen corresponding path program 1 times [2022-11-22 01:42:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:15,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495021947] [2022-11-22 01:42:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:15,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:15,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495021947] [2022-11-22 01:42:15,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495021947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:15,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:15,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:15,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927136035] [2022-11-22 01:42:15,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:15,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:15,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:15,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:15,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:15,232 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) [2022-11-22 01:42:18,130 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 [] [2022-11-22 01:42:18,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:18,987 INFO L93 Difference]: Finished difference Result 6668 states and 9024 transitions. [2022-11-22 01:42:18,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:18,988 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 [2022-11-22 01:42:18,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:19,019 INFO L225 Difference]: With dead ends: 6668 [2022-11-22 01:42:19,019 INFO L226 Difference]: Without dead ends: 6666 [2022-11-22 01:42:19,024 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 [2022-11-22 01:42:19,024 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1274 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:19,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:42:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2022-11-22 01:42:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6556. [2022-11-22 01:42:19,491 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) [2022-11-22 01:42:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 8920 transitions. [2022-11-22 01:42:19,524 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 8920 transitions. Word has length 85 [2022-11-22 01:42:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:19,526 INFO L495 AbstractCegarLoop]: Abstraction has 6556 states and 8920 transitions. [2022-11-22 01:42:19,526 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) [2022-11-22 01:42:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 8920 transitions. [2022-11-22 01:42:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 01:42:19,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:19,528 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] [2022-11-22 01:42:19,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:42:19,528 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)] === [2022-11-22 01:42:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1379181229, now seen corresponding path program 1 times [2022-11-22 01:42:19,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:19,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067158311] [2022-11-22 01:42:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:19,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-22 01:42:20,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:20,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067158311] [2022-11-22 01:42:20,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067158311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:20,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:20,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:42:20,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907778356] [2022-11-22 01:42:20,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:20,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:42:20,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:20,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:42:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:42:20,205 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) [2022-11-22 01:42:23,377 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 [] [2022-11-22 01:42:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:24,249 INFO L93 Difference]: Finished difference Result 7654 states and 10282 transitions. [2022-11-22 01:42:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:42:24,250 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 [2022-11-22 01:42:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:24,278 INFO L225 Difference]: With dead ends: 7654 [2022-11-22 01:42:24,279 INFO L226 Difference]: Without dead ends: 7652 [2022-11-22 01:42:24,284 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 [2022-11-22 01:42:24,285 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, 3.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:24,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 5459 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 706 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-22 01:42:24,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-22 01:42:24,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7462. [2022-11-22 01:42:24,837 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) [2022-11-22 01:42:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 10077 transitions. [2022-11-22 01:42:24,872 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 10077 transitions. Word has length 119 [2022-11-22 01:42:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:24,872 INFO L495 AbstractCegarLoop]: Abstraction has 7462 states and 10077 transitions. [2022-11-22 01:42:24,872 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) [2022-11-22 01:42:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 10077 transitions. [2022-11-22 01:42:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-22 01:42:24,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:24,874 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] [2022-11-22 01:42:24,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:42:24,874 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)] === [2022-11-22 01:42:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:24,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1941809798, now seen corresponding path program 1 times [2022-11-22 01:42:24,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:24,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907733904] [2022-11-22 01:42:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:25,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:25,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907733904] [2022-11-22 01:42:25,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907733904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:25,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:25,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:25,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307747331] [2022-11-22 01:42:25,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:25,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:25,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:25,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:25,078 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) [2022-11-22 01:42:27,960 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 [] [2022-11-22 01:42:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:28,824 INFO L93 Difference]: Finished difference Result 7572 states and 10179 transitions. [2022-11-22 01:42:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:28,825 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 [2022-11-22 01:42:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:28,851 INFO L225 Difference]: With dead ends: 7572 [2022-11-22 01:42:28,851 INFO L226 Difference]: Without dead ends: 7570 [2022-11-22 01:42:28,855 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 [2022-11-22 01:42:28,855 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 [2022-11-22 01:42:28,856 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] [2022-11-22 01:42:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2022-11-22 01:42:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 7468. [2022-11-22 01:42:29,346 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) [2022-11-22 01:42:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10084 transitions. [2022-11-22 01:42:29,378 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10084 transitions. Word has length 90 [2022-11-22 01:42:29,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:29,379 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10084 transitions. [2022-11-22 01:42:29,379 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) [2022-11-22 01:42:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10084 transitions. [2022-11-22 01:42:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 01:42:29,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:29,381 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] [2022-11-22 01:42:29,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:42:29,381 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)] === [2022-11-22 01:42:29,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:29,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1475279590, now seen corresponding path program 1 times [2022-11-22 01:42:29,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:29,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559469656] [2022-11-22 01:42:29,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:29,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-22 01:42:30,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:30,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559469656] [2022-11-22 01:42:30,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559469656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:30,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:30,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:42:30,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97680850] [2022-11-22 01:42:30,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:30,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:42:30,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:30,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:42:30,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:42:30,137 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) [2022-11-22 01:42:34,390 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 [] [2022-11-22 01:42:35,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:35,515 INFO L93 Difference]: Finished difference Result 7570 states and 10177 transitions. [2022-11-22 01:42:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:42:35,515 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 [2022-11-22 01:42:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:35,546 INFO L225 Difference]: With dead ends: 7570 [2022-11-22 01:42:35,546 INFO L226 Difference]: Without dead ends: 7568 [2022-11-22 01:42:35,551 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 [2022-11-22 01:42:35,552 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, 4.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:35,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 6308 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1486 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-22 01:42:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2022-11-22 01:42:36,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 7468. [2022-11-22 01:42:36,092 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) [2022-11-22 01:42:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10080 transitions. [2022-11-22 01:42:36,116 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10080 transitions. Word has length 123 [2022-11-22 01:42:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:36,116 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10080 transitions. [2022-11-22 01:42:36,117 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) [2022-11-22 01:42:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10080 transitions. [2022-11-22 01:42:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-22 01:42:36,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:36,118 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] [2022-11-22 01:42:36,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:42:36,118 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)] === [2022-11-22 01:42:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash 114628181, now seen corresponding path program 1 times [2022-11-22 01:42:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:36,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427677229] [2022-11-22 01:42:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:36,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:36,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:36,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427677229] [2022-11-22 01:42:36,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427677229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:36,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:36,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:36,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514331591] [2022-11-22 01:42:36,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:36,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:36,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:36,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:36,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:36,324 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) [2022-11-22 01:42:39,191 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 [] [2022-11-22 01:42:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:40,008 INFO L93 Difference]: Finished difference Result 7568 states and 10172 transitions. [2022-11-22 01:42:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:40,011 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 [2022-11-22 01:42:40,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:40,034 INFO L225 Difference]: With dead ends: 7568 [2022-11-22 01:42:40,035 INFO L226 Difference]: Without dead ends: 7566 [2022-11-22 01:42:40,038 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 [2022-11-22 01:42:40,039 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 [2022-11-22 01:42:40,039 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] [2022-11-22 01:42:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2022-11-22 01:42:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7474. [2022-11-22 01:42:40,575 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) [2022-11-22 01:42:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7474 states to 7474 states and 10087 transitions. [2022-11-22 01:42:40,600 INFO L78 Accepts]: Start accepts. Automaton has 7474 states and 10087 transitions. Word has length 95 [2022-11-22 01:42:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:40,600 INFO L495 AbstractCegarLoop]: Abstraction has 7474 states and 10087 transitions. [2022-11-22 01:42:40,600 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) [2022-11-22 01:42:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 7474 states and 10087 transitions. [2022-11-22 01:42:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-22 01:42:40,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:40,602 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] [2022-11-22 01:42:40,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:42:40,603 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)] === [2022-11-22 01:42:40,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:40,603 INFO L85 PathProgramCache]: Analyzing trace with hash 435919057, now seen corresponding path program 1 times [2022-11-22 01:42:40,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:40,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683060400] [2022-11-22 01:42:40,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:40,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-22 01:42:40,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:40,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683060400] [2022-11-22 01:42:40,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683060400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:40,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:40,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:42:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299732004] [2022-11-22 01:42:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:40,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:42:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:40,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:42:40,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:42:40,786 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) [2022-11-22 01:42:43,478 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 [] [2022-11-22 01:42:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:44,382 INFO L93 Difference]: Finished difference Result 14998 states and 20261 transitions. [2022-11-22 01:42:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:42:44,383 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 [2022-11-22 01:42:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:44,416 INFO L225 Difference]: With dead ends: 14998 [2022-11-22 01:42:44,416 INFO L226 Difference]: Without dead ends: 7556 [2022-11-22 01:42:44,449 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 [2022-11-22 01:42:44,449 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1253 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:44,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 2561 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-22 01:42:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-11-22 01:42:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7466. [2022-11-22 01:42:45,207 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) [2022-11-22 01:42:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 10071 transitions. [2022-11-22 01:42:45,255 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 10071 transitions. Word has length 126 [2022-11-22 01:42:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:45,256 INFO L495 AbstractCegarLoop]: Abstraction has 7466 states and 10071 transitions. [2022-11-22 01:42:45,256 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) [2022-11-22 01:42:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 10071 transitions. [2022-11-22 01:42:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 01:42:45,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:45,258 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] [2022-11-22 01:42:45,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 01:42:45,259 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)] === [2022-11-22 01:42:45,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:45,259 INFO L85 PathProgramCache]: Analyzing trace with hash -476971613, now seen corresponding path program 1 times [2022-11-22 01:42:45,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:45,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766969864] [2022-11-22 01:42:45,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:45,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-22 01:42:45,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:45,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766969864] [2022-11-22 01:42:45,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766969864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:45,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:45,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:42:45,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434070811] [2022-11-22 01:42:45,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:45,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:42:45,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:42:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:42:45,922 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) [2022-11-22 01:42:49,705 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 [] [2022-11-22 01:42:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:50,133 INFO L93 Difference]: Finished difference Result 7490 states and 10089 transitions. [2022-11-22 01:42:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:50,134 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 [2022-11-22 01:42:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:50,158 INFO L225 Difference]: With dead ends: 7490 [2022-11-22 01:42:50,158 INFO L226 Difference]: Without dead ends: 7488 [2022-11-22 01:42:50,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:42:50,162 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 89 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:50,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 4582 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 01:42:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-11-22 01:42:50,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7471. [2022-11-22 01:42:50,680 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) [2022-11-22 01:42:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 10064 transitions. [2022-11-22 01:42:50,704 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 10064 transitions. Word has length 129 [2022-11-22 01:42:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:50,705 INFO L495 AbstractCegarLoop]: Abstraction has 7471 states and 10064 transitions. [2022-11-22 01:42:50,705 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) [2022-11-22 01:42:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 10064 transitions. [2022-11-22 01:42:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-22 01:42:50,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:50,706 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] [2022-11-22 01:42:50,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 01:42:50,706 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)] === [2022-11-22 01:42:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1157791755, now seen corresponding path program 1 times [2022-11-22 01:42:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:50,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185095708] [2022-11-22 01:42:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:50,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:50,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185095708] [2022-11-22 01:42:50,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185095708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:50,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:50,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982348575] [2022-11-22 01:42:50,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:50,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:50,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:50,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:50,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:50,941 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) [2022-11-22 01:42:53,949 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 [] [2022-11-22 01:42:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:54,809 INFO L93 Difference]: Finished difference Result 7561 states and 10146 transitions. [2022-11-22 01:42:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:54,810 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 [2022-11-22 01:42:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:54,842 INFO L225 Difference]: With dead ends: 7561 [2022-11-22 01:42:54,843 INFO L226 Difference]: Without dead ends: 7559 [2022-11-22 01:42:54,849 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 [2022-11-22 01:42:54,850 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1258 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:54,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:42:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2022-11-22 01:42:55,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7477. [2022-11-22 01:42:55,558 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) [2022-11-22 01:42:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10071 transitions. [2022-11-22 01:42:55,592 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10071 transitions. Word has length 100 [2022-11-22 01:42:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:55,593 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10071 transitions. [2022-11-22 01:42:55,593 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) [2022-11-22 01:42:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10071 transitions. [2022-11-22 01:42:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-22 01:42:55,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:55,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:42:55,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 01:42:55,595 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)] === [2022-11-22 01:42:55,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:55,596 INFO L85 PathProgramCache]: Analyzing trace with hash -929126191, now seen corresponding path program 1 times [2022-11-22 01:42:55,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:55,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275662587] [2022-11-22 01:42:55,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:55,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:42:55,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:55,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275662587] [2022-11-22 01:42:55,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275662587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:55,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:55,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:55,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987130101] [2022-11-22 01:42:55,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:55,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:55,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:55,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:55,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:55,859 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) [2022-11-22 01:42:58,865 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 [] [2022-11-22 01:42:59,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:59,870 INFO L93 Difference]: Finished difference Result 9272 states and 12389 transitions. [2022-11-22 01:42:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:59,874 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 [2022-11-22 01:42:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:59,909 INFO L225 Difference]: With dead ends: 9272 [2022-11-22 01:42:59,910 INFO L226 Difference]: Without dead ends: 9270 [2022-11-22 01:42:59,915 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 [2022-11-22 01:42:59,916 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 [2022-11-22 01:42:59,917 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] [2022-11-22 01:42:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2022-11-22 01:43:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 9153. [2022-11-22 01:43:00,699 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) [2022-11-22 01:43:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9153 states to 9153 states and 12285 transitions. [2022-11-22 01:43:00,726 INFO L78 Accepts]: Start accepts. Automaton has 9153 states and 12285 transitions. Word has length 105 [2022-11-22 01:43:00,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:00,727 INFO L495 AbstractCegarLoop]: Abstraction has 9153 states and 12285 transitions. [2022-11-22 01:43:00,727 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) [2022-11-22 01:43:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 9153 states and 12285 transitions. [2022-11-22 01:43:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-22 01:43:00,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:00,729 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] [2022-11-22 01:43:00,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 01:43:00,730 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)] === [2022-11-22 01:43:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1128860326, now seen corresponding path program 1 times [2022-11-22 01:43:00,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:00,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924009436] [2022-11-22 01:43:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:01,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:01,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924009436] [2022-11-22 01:43:01,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924009436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:01,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:01,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:43:01,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703446923] [2022-11-22 01:43:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:01,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:01,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:01,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:01,177 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) [2022-11-22 01:43:04,144 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 [] [2022-11-22 01:43:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:05,233 INFO L93 Difference]: Finished difference Result 9259 states and 12381 transitions. [2022-11-22 01:43:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:43:05,233 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 [2022-11-22 01:43:05,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:05,330 INFO L225 Difference]: With dead ends: 9259 [2022-11-22 01:43:05,331 INFO L226 Difference]: Without dead ends: 9257 [2022-11-22 01:43:05,334 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 [2022-11-22 01:43:05,335 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1254 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:05,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:43:05,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2022-11-22 01:43:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 9193. [2022-11-22 01:43:06,149 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) [2022-11-22 01:43:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 12330 transitions. [2022-11-22 01:43:06,180 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 12330 transitions. Word has length 110 [2022-11-22 01:43:06,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:06,180 INFO L495 AbstractCegarLoop]: Abstraction has 9193 states and 12330 transitions. [2022-11-22 01:43:06,181 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) [2022-11-22 01:43:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 12330 transitions. [2022-11-22 01:43:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-22 01:43:06,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:06,183 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] [2022-11-22 01:43:06,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 01:43:06,184 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)] === [2022-11-22 01:43:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:06,185 INFO L85 PathProgramCache]: Analyzing trace with hash -270282137, now seen corresponding path program 1 times [2022-11-22 01:43:06,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:06,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727290312] [2022-11-22 01:43:06,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:06,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:06,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:06,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727290312] [2022-11-22 01:43:06,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727290312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:06,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:06,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:43:06,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394197886] [2022-11-22 01:43:06,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:06,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:06,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:06,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:06,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:06,411 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) [2022-11-22 01:43:09,223 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 [] [2022-11-22 01:43:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:10,383 INFO L93 Difference]: Finished difference Result 9257 states and 12378 transitions. [2022-11-22 01:43:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:43:10,384 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 [2022-11-22 01:43:10,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:10,414 INFO L225 Difference]: With dead ends: 9257 [2022-11-22 01:43:10,415 INFO L226 Difference]: Without dead ends: 9255 [2022-11-22 01:43:10,421 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 [2022-11-22 01:43:10,422 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1251 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:10,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:43:10,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2022-11-22 01:43:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9198. [2022-11-22 01:43:11,192 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) [2022-11-22 01:43:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9198 states to 9198 states and 12334 transitions. [2022-11-22 01:43:11,221 INFO L78 Accepts]: Start accepts. Automaton has 9198 states and 12334 transitions. Word has length 115 [2022-11-22 01:43:11,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:11,222 INFO L495 AbstractCegarLoop]: Abstraction has 9198 states and 12334 transitions. [2022-11-22 01:43:11,222 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) [2022-11-22 01:43:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 9198 states and 12334 transitions. [2022-11-22 01:43:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 01:43:11,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:11,223 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] [2022-11-22 01:43:11,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 01:43:11,224 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)] === [2022-11-22 01:43:11,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1160499627, now seen corresponding path program 1 times [2022-11-22 01:43:11,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:11,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955137818] [2022-11-22 01:43:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:11,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:11,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:11,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955137818] [2022-11-22 01:43:11,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955137818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:11,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:11,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:43:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164975761] [2022-11-22 01:43:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:11,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:11,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:11,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:11,497 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) [2022-11-22 01:43:14,341 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 [] [2022-11-22 01:43:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:15,424 INFO L93 Difference]: Finished difference Result 9255 states and 12375 transitions. [2022-11-22 01:43:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:43:15,424 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 [2022-11-22 01:43:15,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:15,450 INFO L225 Difference]: With dead ends: 9255 [2022-11-22 01:43:15,450 INFO L226 Difference]: Without dead ends: 9253 [2022-11-22 01:43:15,455 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 [2022-11-22 01:43:15,455 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:15,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:43:15,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-11-22 01:43:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 9203. [2022-11-22 01:43:16,155 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) [2022-11-22 01:43:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9203 states to 9203 states and 12338 transitions. [2022-11-22 01:43:16,188 INFO L78 Accepts]: Start accepts. Automaton has 9203 states and 12338 transitions. Word has length 120 [2022-11-22 01:43:16,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:16,189 INFO L495 AbstractCegarLoop]: Abstraction has 9203 states and 12338 transitions. [2022-11-22 01:43:16,189 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) [2022-11-22 01:43:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 9203 states and 12338 transitions. [2022-11-22 01:43:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-22 01:43:16,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:16,191 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] [2022-11-22 01:43:16,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 01:43:16,192 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)] === [2022-11-22 01:43:16,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1312275688, now seen corresponding path program 1 times [2022-11-22 01:43:16,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:16,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534857425] [2022-11-22 01:43:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:16,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:16,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:16,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534857425] [2022-11-22 01:43:16,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534857425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:16,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:16,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:43:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305342963] [2022-11-22 01:43:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:16,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:16,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:16,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:16,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:16,418 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) [2022-11-22 01:43:19,306 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 [] [2022-11-22 01:43:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:20,421 INFO L93 Difference]: Finished difference Result 9253 states and 12372 transitions. [2022-11-22 01:43:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:43:20,421 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 [2022-11-22 01:43:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:20,448 INFO L225 Difference]: With dead ends: 9253 [2022-11-22 01:43:20,448 INFO L226 Difference]: Without dead ends: 9251 [2022-11-22 01:43:20,453 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 [2022-11-22 01:43:20,454 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1245 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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 [2022-11-22 01:43:20,454 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] [2022-11-22 01:43:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2022-11-22 01:43:21,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9208. [2022-11-22 01:43:21,235 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) [2022-11-22 01:43:21,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12342 transitions. [2022-11-22 01:43:21,263 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12342 transitions. Word has length 125 [2022-11-22 01:43:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:21,264 INFO L495 AbstractCegarLoop]: Abstraction has 9208 states and 12342 transitions. [2022-11-22 01:43:21,264 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) [2022-11-22 01:43:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12342 transitions. [2022-11-22 01:43:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-22 01:43:21,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:21,265 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] [2022-11-22 01:43:21,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 01:43:21,265 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)] === [2022-11-22 01:43:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:21,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1832114522, now seen corresponding path program 1 times [2022-11-22 01:43:21,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:21,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363253929] [2022-11-22 01:43:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-22 01:43:22,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:22,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363253929] [2022-11-22 01:43:22,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363253929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:22,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21821557] [2022-11-22 01:43:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:22,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:22,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:22,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2530132-daa2-4bfd-ad2e-c9cf83cdc9fb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:43:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:23,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1891 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-22 01:43:23,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-22 01:43:23,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-22 01:43:24,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21821557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:24,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1764745423] [2022-11-22 01:43:24,501 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-22 01:43:24,502 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:43:24,506 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:43:24,512 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:43:24,512 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:43:26,496 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 [2022-11-22 01:43:26,652 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 [2022-11-22 01:43:26,935 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 [2022-11-22 01:43:27,077 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 [2022-11-22 01:43:56,140 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 [2022-11-22 01:43:56,149 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 [2022-11-22 01:44:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:06,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:07,017 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-22 01:44:07,019 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 [2022-11-22 01:44:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:07,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:08,057 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-22 01:44:08,059 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 [2022-11-22 01:44:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:08,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:08,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:08,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:09,397 INFO L321 Elim1Store]: treesize reduction 96, result has 41.1 percent of original size [2022-11-22 01:44:09,399 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 [2022-11-22 01:44:09,920 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 01:44:09,921 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 [2022-11-22 01:44:10,501 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:44:10,503 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 [2022-11-22 01:48:11,494 WARN L233 SmtUtils]: Spent 6.68s 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) [2022-11-22 01:51:59,116 WARN L233 SmtUtils]: Spent 17.31s 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)