./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--block--mtip32xx--mtip32xx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI --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 cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 --- 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-5e519f3 [2022-11-03 02:36:56,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:36:56,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:36:56,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:36:56,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:36:56,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:36:56,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:36:56,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:36:56,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:36:56,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:36:56,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:36:56,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:36:56,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:36:56,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:36:56,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:36:56,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:36:56,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:36:56,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:36:56,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:36:56,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:36:56,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:36:56,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:36:56,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:36:56,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:36:56,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:36:56,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:36:56,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:36:56,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:36:56,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:36:56,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:36:56,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:36:56,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:36:56,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:36:56,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:36:56,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:36:56,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:36:56,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:36:56,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:36:56,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:36:56,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:36:56,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:36:56,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:36:56,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:36:56,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:36:56,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:36:56,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:36:56,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:36:56,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:36:56,403 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:36:56,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:36:56,404 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:36:56,405 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:36:56,405 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:36:56,405 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:36:56,405 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:36:56,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:36:56,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:36:56,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:36:56,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:36:56,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:36:56,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:36:56,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:36:56,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:36:56,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:36:56,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:36:56,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:36:56,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:36:56,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:36:56,408 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:36:56,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:36:56,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:36:56,409 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:36:56,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:36:56,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:36:56,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:36:56,409 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_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 [2022-11-03 02:36:56,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:36:56,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:36:56,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:36:56,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:36:56,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:36:56,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-03 02:36:56,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/data/59355b685/f94be9c4d10144938a0442c8bd3c8060/FLAG3a8be5988 [2022-11-03 02:36:58,027 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:36:58,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-03 02:36:58,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/data/59355b685/f94be9c4d10144938a0442c8bd3c8060/FLAG3a8be5988 [2022-11-03 02:36:58,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/data/59355b685/f94be9c4d10144938a0442c8bd3c8060 [2022-11-03 02:36:58,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:36:58,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:36:58,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:36:58,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:36:58,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:36:58,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:36:58" (1/1) ... [2022-11-03 02:36:58,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8ceee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:58, skipping insertion in model container [2022-11-03 02:36:58,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:36:58" (1/1) ... [2022-11-03 02:36:58,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:36:58,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:37:04,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2022-11-03 02:37:04,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2022-11-03 02:37:04,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2022-11-03 02:37:04,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2022-11-03 02:37:04,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2022-11-03 02:37:04,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2022-11-03 02:37:04,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2022-11-03 02:37:04,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2022-11-03 02:37:04,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2022-11-03 02:37:04,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2022-11-03 02:37:04,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2022-11-03 02:37:04,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2022-11-03 02:37:04,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2022-11-03 02:37:04,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2022-11-03 02:37:04,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2022-11-03 02:37:04,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2022-11-03 02:37:04,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2022-11-03 02:37:04,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2022-11-03 02:37:04,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2022-11-03 02:37:04,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2022-11-03 02:37:04,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2022-11-03 02:37:04,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2022-11-03 02:37:04,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2022-11-03 02:37:04,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2022-11-03 02:37:04,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2022-11-03 02:37:04,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2022-11-03 02:37:04,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2022-11-03 02:37:04,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2022-11-03 02:37:04,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2022-11-03 02:37:04,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2022-11-03 02:37:04,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2022-11-03 02:37:04,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2022-11-03 02:37:04,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2022-11-03 02:37:04,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2022-11-03 02:37:04,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2022-11-03 02:37:04,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2022-11-03 02:37:04,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2022-11-03 02:37:04,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2022-11-03 02:37:04,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2022-11-03 02:37:04,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2022-11-03 02:37:04,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2022-11-03 02:37:04,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2022-11-03 02:37:04,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2022-11-03 02:37:04,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2022-11-03 02:37:04,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2022-11-03 02:37:04,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2022-11-03 02:37:04,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2022-11-03 02:37:04,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2022-11-03 02:37:04,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2022-11-03 02:37:04,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2022-11-03 02:37:04,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2022-11-03 02:37:04,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2022-11-03 02:37:04,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2022-11-03 02:37:04,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2022-11-03 02:37:04,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2022-11-03 02:37:04,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2022-11-03 02:37:04,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2022-11-03 02:37:04,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2022-11-03 02:37:04,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2022-11-03 02:37:04,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2022-11-03 02:37:04,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2022-11-03 02:37:04,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2022-11-03 02:37:04,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2022-11-03 02:37:04,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2022-11-03 02:37:04,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2022-11-03 02:37:04,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2022-11-03 02:37:04,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2022-11-03 02:37:04,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2022-11-03 02:37:04,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2022-11-03 02:37:04,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2022-11-03 02:37:04,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2022-11-03 02:37:04,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2022-11-03 02:37:04,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2022-11-03 02:37:04,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2022-11-03 02:37:04,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2022-11-03 02:37:04,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2022-11-03 02:37:04,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2022-11-03 02:37:04,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2022-11-03 02:37:04,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2022-11-03 02:37:04,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2022-11-03 02:37:04,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2022-11-03 02:37:04,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2022-11-03 02:37:04,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2022-11-03 02:37:04,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2022-11-03 02:37:04,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2022-11-03 02:37:04,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2022-11-03 02:37:04,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2022-11-03 02:37:04,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2022-11-03 02:37:04,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:04,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:37:05,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2022-11-03 02:37:05,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2022-11-03 02:37:05,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2022-11-03 02:37:05,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2022-11-03 02:37:05,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2022-11-03 02:37:05,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2022-11-03 02:37:05,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2022-11-03 02:37:05,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2022-11-03 02:37:05,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2022-11-03 02:37:05,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2022-11-03 02:37:05,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2022-11-03 02:37:05,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2022-11-03 02:37:05,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2022-11-03 02:37:05,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2022-11-03 02:37:05,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2022-11-03 02:37:05,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2022-11-03 02:37:05,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2022-11-03 02:37:05,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2022-11-03 02:37:05,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2022-11-03 02:37:05,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2022-11-03 02:37:05,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2022-11-03 02:37:05,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2022-11-03 02:37:05,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2022-11-03 02:37:05,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2022-11-03 02:37:05,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2022-11-03 02:37:05,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2022-11-03 02:37:05,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2022-11-03 02:37:05,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2022-11-03 02:37:05,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2022-11-03 02:37:05,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2022-11-03 02:37:05,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2022-11-03 02:37:05,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2022-11-03 02:37:05,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2022-11-03 02:37:05,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2022-11-03 02:37:05,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2022-11-03 02:37:05,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2022-11-03 02:37:05,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2022-11-03 02:37:05,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2022-11-03 02:37:05,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2022-11-03 02:37:05,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2022-11-03 02:37:05,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2022-11-03 02:37:05,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2022-11-03 02:37:05,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2022-11-03 02:37:05,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2022-11-03 02:37:05,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2022-11-03 02:37:05,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2022-11-03 02:37:05,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2022-11-03 02:37:05,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2022-11-03 02:37:05,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2022-11-03 02:37:05,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2022-11-03 02:37:05,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2022-11-03 02:37:05,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2022-11-03 02:37:05,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2022-11-03 02:37:05,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2022-11-03 02:37:05,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2022-11-03 02:37:05,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2022-11-03 02:37:05,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2022-11-03 02:37:05,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2022-11-03 02:37:05,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2022-11-03 02:37:05,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2022-11-03 02:37:05,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2022-11-03 02:37:05,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2022-11-03 02:37:05,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2022-11-03 02:37:05,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2022-11-03 02:37:05,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2022-11-03 02:37:05,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2022-11-03 02:37:05,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2022-11-03 02:37:05,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2022-11-03 02:37:05,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2022-11-03 02:37:05,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2022-11-03 02:37:05,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2022-11-03 02:37:05,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2022-11-03 02:37:05,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2022-11-03 02:37:05,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2022-11-03 02:37:05,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2022-11-03 02:37:05,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2022-11-03 02:37:05,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2022-11-03 02:37:05,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2022-11-03 02:37:05,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2022-11-03 02:37:05,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2022-11-03 02:37:05,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2022-11-03 02:37:05,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2022-11-03 02:37:05,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2022-11-03 02:37:05,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2022-11-03 02:37:05,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2022-11-03 02:37:05,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2022-11-03 02:37:05,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2022-11-03 02:37:05,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2022-11-03 02:37:05,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:05,455 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:37:05,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05 WrapperNode [2022-11-03 02:37:05,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:05,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:05,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:37:05,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:37:05,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,931 INFO L138 Inliner]: procedures = 807, calls = 4037, calls flagged for inlining = 385, calls inlined = 274, statements flattened = 8610 [2022-11-03 02:37:05,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:05,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:37:05,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:37:05,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:37:05,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:37:06,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:37:06,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:37:06,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:37:06,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:06,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:06,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:37:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:37:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_ioctl [2022-11-03 02:37:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_ioctl [2022-11-03 02:37:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2022-11-03 02:37:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2022-11-03 02:37:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:37:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:37:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_device_status [2022-11-03 02:37:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_device_status [2022-11-03 02:37:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_getgeo [2022-11-03 02:37:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_getgeo [2022-11-03 02:37:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:37:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:37:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:37:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:37:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-03 02:37:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-03 02:37:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:37:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:37:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2022-11-03 02:37:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2022-11-03 02:37:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:37:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:37:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2022-11-03 02:37:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2022-11-03 02:37:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:37:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:37:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:37:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:37:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-03 02:37:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-03 02:37:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2022-11-03 02:37:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2022-11-03 02:37:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-11-03 02:37:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-11-03 02:37:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 02:37:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 02:37:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:37:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:37:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:37:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:37:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2022-11-03 02:37:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2022-11-03 02:37:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:37:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:37:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:37:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:37:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:37:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:37:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:37:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:37:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:37:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:37:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:37:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-03 02:37:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-03 02:37:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:37:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:37:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 02:37:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 02:37:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-03 02:37:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-03 02:37:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:37:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:37:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2022-11-03 02:37:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2022-11-03 02:37:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:37:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2022-11-03 02:37:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2022-11-03 02:37:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:37:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:37:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:37:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:37:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:37:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:37:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-03 02:37:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-03 02:37:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:37:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:37:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:37:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 02:37:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 02:37:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:37:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:37:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-03 02:37:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-03 02:37:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:37:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:37:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2022-11-03 02:37:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2022-11-03 02:37:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:37:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:37:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:37:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:37:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:37:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:37:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2022-11-03 02:37:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2022-11-03 02:37:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:37:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2022-11-03 02:37:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2022-11-03 02:37:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2022-11-03 02:37:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2022-11-03 02:37:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2022-11-03 02:37:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2022-11-03 02:37:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 02:37:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 02:37:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:37:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 02:37:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 02:37:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-11-03 02:37:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-11-03 02:37:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:37:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:37:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_sysfs_exit [2022-11-03 02:37:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_sysfs_exit [2022-11-03 02:37:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:37:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:37:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2022-11-03 02:37:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2022-11-03 02:37:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-03 02:37:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-03 02:37:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2022-11-03 02:37:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2022-11-03 02:37:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:37:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:37:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:37:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:37:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:37:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:37:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:37:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:37:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:37:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-03 02:37:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-03 02:37:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:37:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2022-11-03 02:37:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2022-11-03 02:37:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-03 02:37:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-03 02:37:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:37:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:37:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2022-11-03 02:37:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2022-11-03 02:37:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2022-11-03 02:37:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2022-11-03 02:37:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:37:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:37:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:37:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:37:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:37:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:37:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:37:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:37:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2022-11-03 02:37:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2022-11-03 02:37:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:37:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:37:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2022-11-03 02:37:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2022-11-03 02:37:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_compat_ioctl [2022-11-03 02:37:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_compat_ioctl [2022-11-03 02:37:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:37:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:37:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:37:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-03 02:37:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-03 02:37:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2022-11-03 02:37:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2022-11-03 02:37:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-03 02:37:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-03 02:37:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 02:37:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 02:37:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 02:37:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 02:37:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2022-11-03 02:37:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2022-11-03 02:37:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:37:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:37:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-11-03 02:37:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-11-03 02:37:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-11-03 02:37:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2022-11-03 02:37:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:37:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:37:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2022-11-03 02:37:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2022-11-03 02:37:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2022-11-03 02:37:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2022-11-03 02:37:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:37:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:37:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:37:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:37:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2022-11-03 02:37:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2022-11-03 02:37:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2022-11-03 02:37:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2022-11-03 02:37:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:37:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:37:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 02:37:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 02:37:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2022-11-03 02:37:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2022-11-03 02:37:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:37:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:37:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:37:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:37:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:37:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:37:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-03 02:37:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-03 02:37:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2022-11-03 02:37:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2022-11-03 02:37:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:37:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:37:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:37:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:37:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:37:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:37:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:37:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 02:37:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 02:37:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:37:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:37:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:37:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-03 02:37:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-03 02:37:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:37:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:37:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2022-11-03 02:37:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2022-11-03 02:37:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2022-11-03 02:37:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2022-11-03 02:37:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:37:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:37:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:37:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-03 02:37:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-03 02:37:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:37:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:37:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:37:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:37:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:37:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:37:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:37:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:37:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-11-03 02:37:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-11-03 02:37:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:37:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:37:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2022-11-03 02:37:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2022-11-03 02:37:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2022-11-03 02:37:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2022-11-03 02:37:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2022-11-03 02:37:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2022-11-03 02:37:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:37:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:37:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 02:37:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 02:37:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:37:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:37:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2022-11-03 02:37:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2022-11-03 02:37:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2022-11-03 02:37:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2022-11-03 02:37:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:37:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:37:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:37:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:37:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 02:37:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 02:37:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:37:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:37:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2022-11-03 02:37:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2022-11-03 02:37:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:37:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:37:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:37:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2022-11-03 02:37:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2022-11-03 02:37:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:37:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:37:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:37:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:37:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure print_tags [2022-11-03 02:37:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure print_tags [2022-11-03 02:37:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:37:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:37:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2022-11-03 02:37:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2022-11-03 02:37:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:37:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:37:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2022-11-03 02:37:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2022-11-03 02:37:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-03 02:37:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-03 02:37:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:37:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_flags [2022-11-03 02:37:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_flags [2022-11-03 02:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:37:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2022-11-03 02:37:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2022-11-03 02:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:37:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:37:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:37:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 02:37:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 02:37:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-11-03 02:37:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-11-03 02:37:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-03 02:37:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-03 02:37:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2022-11-03 02:37:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2022-11-03 02:37:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:37:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:37:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2022-11-03 02:37:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2022-11-03 02:37:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-11-03 02:37:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-11-03 02:37:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2022-11-03 02:37:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2022-11-03 02:37:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:37:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:37:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:37:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:37:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 02:37:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 02:37:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:37:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:37:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2022-11-03 02:37:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2022-11-03 02:37:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:37:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:37:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:37:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:37:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-03 02:37:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-03 02:37:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_registers [2022-11-03 02:37:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_registers [2022-11-03 02:37:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2022-11-03 02:37:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2022-11-03 02:37:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2022-11-03 02:37:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2022-11-03 02:37:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:37:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:37:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:37:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:37:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2022-11-03 02:37:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2022-11-03 02:37:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2022-11-03 02:37:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2022-11-03 02:37:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:37:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:37:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-03 02:37:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-03 02:37:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-03 02:37:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-03 02:37:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:37:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:37:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-03 02:37:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-03 02:37:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-03 02:37:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-03 02:37:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:37:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:37:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:37:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2022-11-03 02:37:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2022-11-03 02:37:07,951 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:37:07,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:37:08,507 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:37:23,123 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:37:24,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:37:24,909 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-11-03 02:37:24,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:24 BoogieIcfgContainer [2022-11-03 02:37:24,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:37:24,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:37:24,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:37:24,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:37:24,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:36:58" (1/3) ... [2022-11-03 02:37:24,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f4b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:24, skipping insertion in model container [2022-11-03 02:37:24,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05" (2/3) ... [2022-11-03 02:37:24,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f4b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:24, skipping insertion in model container [2022-11-03 02:37:24,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:24" (3/3) ... [2022-11-03 02:37:24,926 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-03 02:37:24,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:37:24,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-03 02:37:25,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:37:25,129 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;@41e597fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:37:25,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-03 02:37:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 2542 states, 1475 states have (on average 1.3057627118644068) internal successors, (1926), 1569 states have internal predecessors, (1926), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-03 02:37:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:37:25,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:25,152 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:25,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:37:25,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:25,158 INFO L85 PathProgramCache]: Analyzing trace with hash 654937683, now seen corresponding path program 1 times [2022-11-03 02:37:25,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:25,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285768491] [2022-11-03 02:37:25,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:37:26,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:26,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285768491] [2022-11-03 02:37:26,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285768491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:26,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:26,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:37:26,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720043193] [2022-11-03 02:37:26,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:26,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:37:26,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:26,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:37:26,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:37:26,284 INFO L87 Difference]: Start difference. First operand has 2542 states, 1475 states have (on average 1.3057627118644068) internal successors, (1926), 1569 states have internal predecessors, (1926), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2022-11-03 02:37:29,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:31,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:35,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:38,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:40,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:43,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:46,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:47,013 INFO L93 Difference]: Finished difference Result 5652 states and 8140 transitions. [2022-11-03 02:37:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:37:47,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 52 [2022-11-03 02:37:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:47,047 INFO L225 Difference]: With dead ends: 5652 [2022-11-03 02:37:47,047 INFO L226 Difference]: Without dead ends: 3132 [2022-11-03 02:37:47,066 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 [2022-11-03 02:37:47,069 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 3120 mSDsluCounter, 5062 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 8029 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:47,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 8029 Invalid, 883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 877 Invalid, 6 Unknown, 0 Unchecked, 20.3s Time] [2022-11-03 02:37:47,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2022-11-03 02:37:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 3112. [2022-11-03 02:37:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 1818 states have (on average 1.2706270627062706) internal successors, (2310), 1915 states have internal predecessors, (2310), 1011 states have call successors, (1011), 251 states have call predecessors, (1011), 250 states have return successors, (1009), 993 states have call predecessors, (1009), 1009 states have call successors, (1009) [2022-11-03 02:37:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4330 transitions. [2022-11-03 02:37:47,365 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4330 transitions. Word has length 52 [2022-11-03 02:37:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:47,367 INFO L495 AbstractCegarLoop]: Abstraction has 3112 states and 4330 transitions. [2022-11-03 02:37:47,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2022-11-03 02:37:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4330 transitions. [2022-11-03 02:37:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:37:47,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:47,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:47,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:37:47,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:37:47,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:47,379 INFO L85 PathProgramCache]: Analyzing trace with hash -351878937, now seen corresponding path program 1 times [2022-11-03 02:37:47,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:47,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507293248] [2022-11-03 02:37:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:47,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:37:48,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:48,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507293248] [2022-11-03 02:37:48,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507293248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:48,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:48,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:37:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494293666] [2022-11-03 02:37:48,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:48,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:37:48,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:48,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:37:48,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:37:48,147 INFO L87 Difference]: Start difference. First operand 3112 states and 4330 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2022-11-03 02:37:50,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:53,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:56,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:59,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:02,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:05,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:05,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:05,693 INFO L93 Difference]: Finished difference Result 5364 states and 7469 transitions. [2022-11-03 02:38:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:38:05,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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 57 [2022-11-03 02:38:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:05,727 INFO L225 Difference]: With dead ends: 5364 [2022-11-03 02:38:05,727 INFO L226 Difference]: Without dead ends: 5362 [2022-11-03 02:38:05,732 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 [2022-11-03 02:38:05,733 INFO L413 NwaCegarLoop]: 4161 mSDtfsCounter, 3049 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:05,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 11468 Invalid, 1171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1162 Invalid, 6 Unknown, 0 Unchecked, 17.1s Time] [2022-11-03 02:38:05,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5362 states. [2022-11-03 02:38:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5362 to 5178. [2022-11-03 02:38:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 3015 states have (on average 1.2683250414593699) internal successors, (3824), 3163 states have internal predecessors, (3824), 1715 states have call successors, (1715), 415 states have call predecessors, (1715), 415 states have return successors, (1731), 1679 states have call predecessors, (1731), 1713 states have call successors, (1731) [2022-11-03 02:38:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 7270 transitions. [2022-11-03 02:38:06,048 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 7270 transitions. Word has length 57 [2022-11-03 02:38:06,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:06,048 INFO L495 AbstractCegarLoop]: Abstraction has 5178 states and 7270 transitions. [2022-11-03 02:38:06,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2022-11-03 02:38:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 7270 transitions. [2022-11-03 02:38:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:38:06,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:06,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:06,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:38:06,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:38:06,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 702603063, now seen corresponding path program 1 times [2022-11-03 02:38:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:06,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593803124] [2022-11-03 02:38:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:38:06,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:06,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593803124] [2022-11-03 02:38:06,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593803124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:06,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:06,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:38:06,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604777471] [2022-11-03 02:38:06,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:06,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:38:06,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:06,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:38:06,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:38:06,660 INFO L87 Difference]: Start difference. First operand 5178 states and 7270 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2022-11-03 02:38:09,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:12,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:14,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:17,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:20,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:22,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:23,887 INFO L93 Difference]: Finished difference Result 9546 states and 13419 transitions. [2022-11-03 02:38:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:38:23,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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 62 [2022-11-03 02:38:23,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:23,952 INFO L225 Difference]: With dead ends: 9546 [2022-11-03 02:38:23,952 INFO L226 Difference]: Without dead ends: 9544 [2022-11-03 02:38:23,960 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 [2022-11-03 02:38:23,961 INFO L413 NwaCegarLoop]: 4009 mSDtfsCounter, 3098 mSDsluCounter, 7852 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 11134 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:23,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 11134 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1107 Invalid, 5 Unknown, 0 Unchecked, 16.8s Time] [2022-11-03 02:38:23,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9544 states. [2022-11-03 02:38:24,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9544 to 9362. [2022-11-03 02:38:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9362 states, 5440 states have (on average 1.2669117647058823) internal successors, (6892), 5690 states have internal predecessors, (6892), 3137 states have call successors, (3137), 751 states have call predecessors, (3137), 752 states have return successors, (3194), 3063 states have call predecessors, (3194), 3135 states have call successors, (3194) [2022-11-03 02:38:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9362 states to 9362 states and 13223 transitions. [2022-11-03 02:38:24,577 INFO L78 Accepts]: Start accepts. Automaton has 9362 states and 13223 transitions. Word has length 62 [2022-11-03 02:38:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:24,578 INFO L495 AbstractCegarLoop]: Abstraction has 9362 states and 13223 transitions. [2022-11-03 02:38:24,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2022-11-03 02:38:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 9362 states and 13223 transitions. [2022-11-03 02:38:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:38:24,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:24,579 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:24,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:38:24,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:38:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash 590450854, now seen corresponding path program 1 times [2022-11-03 02:38:24,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:24,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73521348] [2022-11-03 02:38:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:38:25,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:25,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73521348] [2022-11-03 02:38:25,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73521348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:25,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:25,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:38:25,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987714957] [2022-11-03 02:38:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:25,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:38:25,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:38:25,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:38:25,041 INFO L87 Difference]: Start difference. First operand 9362 states and 13223 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2022-11-03 02:38:27,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:30,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:32,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:34,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:36,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:39,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:41,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:44,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:46,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:48,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:48,292 INFO L93 Difference]: Finished difference Result 18083 states and 25835 transitions. [2022-11-03 02:38:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:38:48,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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 67 [2022-11-03 02:38:48,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:48,424 INFO L225 Difference]: With dead ends: 18083 [2022-11-03 02:38:48,424 INFO L226 Difference]: Without dead ends: 18081 [2022-11-03 02:38:48,439 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 [2022-11-03 02:38:48,442 INFO L413 NwaCegarLoop]: 4696 mSDtfsCounter, 3199 mSDsluCounter, 8631 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 12516 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:48,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 12516 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1273 Invalid, 5 Unknown, 0 Unchecked, 22.5s Time] [2022-11-03 02:38:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18081 states. [2022-11-03 02:38:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18081 to 17802. [2022-11-03 02:38:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17802 states, 10330 states have (on average 1.266408518877057) internal successors, (13082), 10789 states have internal predecessors, (13082), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1435 states have return successors, (6382), 5859 states have call predecessors, (6382), 6002 states have call successors, (6382) [2022-11-03 02:38:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17802 states to 17802 states and 25468 transitions. [2022-11-03 02:38:49,615 INFO L78 Accepts]: Start accepts. Automaton has 17802 states and 25468 transitions. Word has length 67 [2022-11-03 02:38:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:49,616 INFO L495 AbstractCegarLoop]: Abstraction has 17802 states and 25468 transitions. [2022-11-03 02:38:49,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2022-11-03 02:38:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17802 states and 25468 transitions. [2022-11-03 02:38:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:38:49,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:49,618 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:49,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:38:49,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:38:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash -188236258, now seen corresponding path program 1 times [2022-11-03 02:38:49,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:49,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513519847] [2022-11-03 02:38:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:49,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:38:50,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:50,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513519847] [2022-11-03 02:38:50,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513519847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:50,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:50,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:38:50,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067287975] [2022-11-03 02:38:50,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:50,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:38:50,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:38:50,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:38:50,129 INFO L87 Difference]: Start difference. First operand 17802 states and 25468 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2022-11-03 02:38:52,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:55,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:58,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:59,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:01,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:06,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:09,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:11,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:12,062 INFO L93 Difference]: Finished difference Result 17849 states and 25593 transitions. [2022-11-03 02:39:12,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:39:12,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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 72 [2022-11-03 02:39:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:12,140 INFO L225 Difference]: With dead ends: 17849 [2022-11-03 02:39:12,140 INFO L226 Difference]: Without dead ends: 17847 [2022-11-03 02:39:12,150 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 [2022-11-03 02:39:12,150 INFO L413 NwaCegarLoop]: 3438 mSDtfsCounter, 3088 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:12,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 7963 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 868 Invalid, 8 Unknown, 0 Unchecked, 21.2s Time] [2022-11-03 02:39:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17847 states. [2022-11-03 02:39:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17847 to 17818. [2022-11-03 02:39:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17818 states, 10341 states have (on average 1.266125132965864) internal successors, (13093), 10799 states have internal predecessors, (13093), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:39:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17818 states to 17818 states and 25508 transitions. [2022-11-03 02:39:13,212 INFO L78 Accepts]: Start accepts. Automaton has 17818 states and 25508 transitions. Word has length 72 [2022-11-03 02:39:13,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:13,213 INFO L495 AbstractCegarLoop]: Abstraction has 17818 states and 25508 transitions. [2022-11-03 02:39:13,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2022-11-03 02:39:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 17818 states and 25508 transitions. [2022-11-03 02:39:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:39:13,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:13,215 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:13,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:39:13,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:39:13,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1681665651, now seen corresponding path program 1 times [2022-11-03 02:39:13,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:13,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848169212] [2022-11-03 02:39:13,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:13,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:39:13,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:13,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848169212] [2022-11-03 02:39:13,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848169212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:13,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:13,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:39:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597768023] [2022-11-03 02:39:13,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:13,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:39:13,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:39:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:39:13,696 INFO L87 Difference]: Start difference. First operand 17818 states and 25508 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2022-11-03 02:39:16,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:19,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:21,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:23,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:25,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:28,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:30,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:33,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:33,852 INFO L93 Difference]: Finished difference Result 17847 states and 25591 transitions. [2022-11-03 02:39:33,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:39:33,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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 77 [2022-11-03 02:39:33,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:33,951 INFO L225 Difference]: With dead ends: 17847 [2022-11-03 02:39:33,952 INFO L226 Difference]: Without dead ends: 17845 [2022-11-03 02:39:33,968 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 [2022-11-03 02:39:33,968 INFO L413 NwaCegarLoop]: 3436 mSDtfsCounter, 3086 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:33,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 7959 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 874 Invalid, 6 Unknown, 0 Unchecked, 19.4s Time] [2022-11-03 02:39:33,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17845 states. [2022-11-03 02:39:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17845 to 17816. [2022-11-03 02:39:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17816 states, 10340 states have (on average 1.2660541586073502) internal successors, (13091), 10797 states have internal predecessors, (13091), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:39:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17816 states to 17816 states and 25506 transitions. [2022-11-03 02:39:35,262 INFO L78 Accepts]: Start accepts. Automaton has 17816 states and 25506 transitions. Word has length 77 [2022-11-03 02:39:35,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:35,263 INFO L495 AbstractCegarLoop]: Abstraction has 17816 states and 25506 transitions. [2022-11-03 02:39:35,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2022-11-03 02:39:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 17816 states and 25506 transitions. [2022-11-03 02:39:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:39:35,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:35,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:35,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:39:35,267 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:39:35,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 981355216, now seen corresponding path program 1 times [2022-11-03 02:39:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:35,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140732101] [2022-11-03 02:39:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:39:35,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:35,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140732101] [2022-11-03 02:39:35,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140732101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:35,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:35,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:39:35,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052007798] [2022-11-03 02:39:35,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:35,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:39:35,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:35,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:39:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:39:35,734 INFO L87 Difference]: Start difference. First operand 17816 states and 25506 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, (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) [2022-11-03 02:39:38,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:40,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:43,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:46,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:48,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:50,216 INFO L93 Difference]: Finished difference Result 17845 states and 25589 transitions. [2022-11-03 02:39:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:39:50,216 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, (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 82 [2022-11-03 02:39:50,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:50,291 INFO L225 Difference]: With dead ends: 17845 [2022-11-03 02:39:50,291 INFO L226 Difference]: Without dead ends: 17843 [2022-11-03 02:39:50,303 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 [2022-11-03 02:39:50,304 INFO L413 NwaCegarLoop]: 3434 mSDtfsCounter, 3083 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:50,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 7955 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 873 Invalid, 5 Unknown, 0 Unchecked, 13.7s Time] [2022-11-03 02:39:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17843 states. [2022-11-03 02:39:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17843 to 17814. [2022-11-03 02:39:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17814 states, 10339 states have (on average 1.2659831705193927) internal successors, (13089), 10795 states have internal predecessors, (13089), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:39:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17814 states to 17814 states and 25504 transitions. [2022-11-03 02:39:51,537 INFO L78 Accepts]: Start accepts. Automaton has 17814 states and 25504 transitions. Word has length 82 [2022-11-03 02:39:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:51,537 INFO L495 AbstractCegarLoop]: Abstraction has 17814 states and 25504 transitions. [2022-11-03 02:39:51,537 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, (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) [2022-11-03 02:39:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 17814 states and 25504 transitions. [2022-11-03 02:39:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-03 02:39:51,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:51,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:51,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:39:51,540 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:39:51,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:51,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1376452858, now seen corresponding path program 1 times [2022-11-03 02:39:51,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:51,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765234921] [2022-11-03 02:39:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:39:51,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:51,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765234921] [2022-11-03 02:39:51,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765234921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:51,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:51,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:39:51,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431321948] [2022-11-03 02:39:51,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:51,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:39:51,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:51,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:39:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:39:51,952 INFO L87 Difference]: Start difference. First operand 17814 states and 25504 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, (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) [2022-11-03 02:39:54,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:58,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:00,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:03,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:04,349 INFO L93 Difference]: Finished difference Result 17843 states and 25587 transitions. [2022-11-03 02:40:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:04,349 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, (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 87 [2022-11-03 02:40:04,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:04,429 INFO L225 Difference]: With dead ends: 17843 [2022-11-03 02:40:04,429 INFO L226 Difference]: Without dead ends: 17841 [2022-11-03 02:40:04,442 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 [2022-11-03 02:40:04,442 INFO L413 NwaCegarLoop]: 3432 mSDtfsCounter, 3084 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 7947 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:04,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 7947 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 874 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-11-03 02:40:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17841 states. [2022-11-03 02:40:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17841 to 17812. [2022-11-03 02:40:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17812 states, 10338 states have (on average 1.2659121686980073) internal successors, (13087), 10793 states have internal predecessors, (13087), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:40:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17812 states to 17812 states and 25502 transitions. [2022-11-03 02:40:05,669 INFO L78 Accepts]: Start accepts. Automaton has 17812 states and 25502 transitions. Word has length 87 [2022-11-03 02:40:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:05,670 INFO L495 AbstractCegarLoop]: Abstraction has 17812 states and 25502 transitions. [2022-11-03 02:40:05,670 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, (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) [2022-11-03 02:40:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 17812 states and 25502 transitions. [2022-11-03 02:40:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:40:05,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:05,672 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:05,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:40:05,672 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:40:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash -78525027, now seen corresponding path program 1 times [2022-11-03 02:40:05,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:05,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512669211] [2022-11-03 02:40:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:40:06,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:06,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512669211] [2022-11-03 02:40:06,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512669211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:06,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:06,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:06,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947315665] [2022-11-03 02:40:06,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:06,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:06,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:06,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:06,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:06,068 INFO L87 Difference]: Start difference. First operand 17812 states and 25502 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2022-11-03 02:40:08,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:11,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:13,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:16,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:19,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:21,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:22,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:22,460 INFO L93 Difference]: Finished difference Result 17841 states and 25585 transitions. [2022-11-03 02:40:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:22,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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 89 [2022-11-03 02:40:22,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:22,523 INFO L225 Difference]: With dead ends: 17841 [2022-11-03 02:40:22,524 INFO L226 Difference]: Without dead ends: 17839 [2022-11-03 02:40:22,532 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 [2022-11-03 02:40:22,533 INFO L413 NwaCegarLoop]: 3430 mSDtfsCounter, 3075 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 7947 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:22,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3090 Valid, 7947 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 873 Invalid, 5 Unknown, 0 Unchecked, 15.3s Time] [2022-11-03 02:40:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17839 states. [2022-11-03 02:40:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17839 to 17810. [2022-11-03 02:40:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17810 states, 10337 states have (on average 1.2658411531392086) internal successors, (13085), 10791 states have internal predecessors, (13085), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:40:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17810 states to 17810 states and 25500 transitions. [2022-11-03 02:40:23,858 INFO L78 Accepts]: Start accepts. Automaton has 17810 states and 25500 transitions. Word has length 89 [2022-11-03 02:40:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:23,859 INFO L495 AbstractCegarLoop]: Abstraction has 17810 states and 25500 transitions. [2022-11-03 02:40:23,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2022-11-03 02:40:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17810 states and 25500 transitions. [2022-11-03 02:40:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:40:23,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:23,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:23,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:40:23,867 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:40:23,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:23,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1364289214, now seen corresponding path program 1 times [2022-11-03 02:40:23,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:23,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336749483] [2022-11-03 02:40:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:23,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:40:24,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:24,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336749483] [2022-11-03 02:40:24,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336749483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:24,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:24,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:24,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208369158] [2022-11-03 02:40:24,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:24,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:24,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:24,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:24,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:24,265 INFO L87 Difference]: Start difference. First operand 17810 states and 25500 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2022-11-03 02:40:26,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:29,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:31,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:33,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:38,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:41,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:42,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:42,347 INFO L93 Difference]: Finished difference Result 17839 states and 25583 transitions. [2022-11-03 02:40:42,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:42,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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 94 [2022-11-03 02:40:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:42,403 INFO L225 Difference]: With dead ends: 17839 [2022-11-03 02:40:42,404 INFO L226 Difference]: Without dead ends: 17837 [2022-11-03 02:40:42,411 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 [2022-11-03 02:40:42,412 INFO L413 NwaCegarLoop]: 3428 mSDtfsCounter, 3075 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 7943 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:42,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 7943 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 875 Invalid, 5 Unknown, 0 Unchecked, 16.9s Time] [2022-11-03 02:40:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17837 states. [2022-11-03 02:40:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17837 to 17808. [2022-11-03 02:40:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17808 states, 10336 states have (on average 1.2657701238390093) internal successors, (13083), 10789 states have internal predecessors, (13083), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:40:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17808 states to 17808 states and 25498 transitions. [2022-11-03 02:40:43,623 INFO L78 Accepts]: Start accepts. Automaton has 17808 states and 25498 transitions. Word has length 94 [2022-11-03 02:40:43,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:43,624 INFO L495 AbstractCegarLoop]: Abstraction has 17808 states and 25498 transitions. [2022-11-03 02:40:43,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2022-11-03 02:40:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 17808 states and 25498 transitions. [2022-11-03 02:40:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:40:43,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:43,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:43,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:40:43,627 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:40:43,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 809879002, now seen corresponding path program 1 times [2022-11-03 02:40:43,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:43,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51583895] [2022-11-03 02:40:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:43,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:40:44,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:44,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51583895] [2022-11-03 02:40:44,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51583895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:44,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:44,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:44,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070437640] [2022-11-03 02:40:44,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:44,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:44,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:44,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:44,040 INFO L87 Difference]: Start difference. First operand 17808 states and 25498 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2022-11-03 02:40:46,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:49,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:52,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:55,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:57,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:00,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:02,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:02,882 INFO L93 Difference]: Finished difference Result 17837 states and 25581 transitions. [2022-11-03 02:41:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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 99 [2022-11-03 02:41:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:02,940 INFO L225 Difference]: With dead ends: 17837 [2022-11-03 02:41:02,940 INFO L226 Difference]: Without dead ends: 17835 [2022-11-03 02:41:02,946 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 [2022-11-03 02:41:02,946 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 3072 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 7939 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:02,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 7939 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 872 Invalid, 7 Unknown, 0 Unchecked, 17.6s Time] [2022-11-03 02:41:02,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17835 states. [2022-11-03 02:41:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17835 to 17806. [2022-11-03 02:41:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17806 states, 10335 states have (on average 1.2656990807934203) internal successors, (13081), 10787 states have internal predecessors, (13081), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:41:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17806 states to 17806 states and 25496 transitions. [2022-11-03 02:41:04,210 INFO L78 Accepts]: Start accepts. Automaton has 17806 states and 25496 transitions. Word has length 99 [2022-11-03 02:41:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:04,211 INFO L495 AbstractCegarLoop]: Abstraction has 17806 states and 25496 transitions. [2022-11-03 02:41:04,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2022-11-03 02:41:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 17806 states and 25496 transitions. [2022-11-03 02:41:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:41:04,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:04,213 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:04,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:41:04,213 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:41:04,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1929358148, now seen corresponding path program 1 times [2022-11-03 02:41:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:04,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060392362] [2022-11-03 02:41:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:41:04,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:04,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060392362] [2022-11-03 02:41:04,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060392362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:04,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:04,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:04,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232337501] [2022-11-03 02:41:04,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:04,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:04,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:04,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:04,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:04,634 INFO L87 Difference]: Start difference. First operand 17806 states and 25496 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2022-11-03 02:41:07,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:10,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:13,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:17,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:19,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:20,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:20,991 INFO L93 Difference]: Finished difference Result 17835 states and 25579 transitions. [2022-11-03 02:41:20,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:20,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 104 [2022-11-03 02:41:20,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:21,048 INFO L225 Difference]: With dead ends: 17835 [2022-11-03 02:41:21,048 INFO L226 Difference]: Without dead ends: 17833 [2022-11-03 02:41:21,057 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 [2022-11-03 02:41:21,057 INFO L413 NwaCegarLoop]: 3424 mSDtfsCounter, 3068 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:21,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3083 Valid, 7935 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 874 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2022-11-03 02:41:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17833 states. [2022-11-03 02:41:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17833 to 17804. [2022-11-03 02:41:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17804 states, 10334 states have (on average 1.2656280239984516) internal successors, (13079), 10785 states have internal predecessors, (13079), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:41:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17804 states to 17804 states and 25494 transitions. [2022-11-03 02:41:22,327 INFO L78 Accepts]: Start accepts. Automaton has 17804 states and 25494 transitions. Word has length 104 [2022-11-03 02:41:22,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:22,328 INFO L495 AbstractCegarLoop]: Abstraction has 17804 states and 25494 transitions. [2022-11-03 02:41:22,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2022-11-03 02:41:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 17804 states and 25494 transitions. [2022-11-03 02:41:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:41:22,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:22,330 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:22,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:41:22,330 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:41:22,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:22,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2065705624, now seen corresponding path program 1 times [2022-11-03 02:41:22,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:22,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489939173] [2022-11-03 02:41:22,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:22,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:41:22,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:22,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489939173] [2022-11-03 02:41:22,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489939173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:22,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:22,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:22,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554187030] [2022-11-03 02:41:22,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:22,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:22,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:22,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:22,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:22,733 INFO L87 Difference]: Start difference. First operand 17804 states and 25494 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2022-11-03 02:41:25,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:27,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:30,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:32,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:34,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:37,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:40,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:41,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:41,393 INFO L93 Difference]: Finished difference Result 17849 states and 25609 transitions. [2022-11-03 02:41:41,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:41,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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 109 [2022-11-03 02:41:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:41,443 INFO L225 Difference]: With dead ends: 17849 [2022-11-03 02:41:41,443 INFO L226 Difference]: Without dead ends: 17847 [2022-11-03 02:41:41,450 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 [2022-11-03 02:41:41,451 INFO L413 NwaCegarLoop]: 3422 mSDtfsCounter, 3064 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:41,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 7932 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 6 Unknown, 0 Unchecked, 17.4s Time] [2022-11-03 02:41:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17847 states. [2022-11-03 02:41:42,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17847 to 17802. [2022-11-03 02:41:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17802 states, 10333 states have (on average 1.2655569534501112) internal successors, (13077), 10783 states have internal predecessors, (13077), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1441 states have return successors, (6411), 5865 states have call predecessors, (6411), 6002 states have call successors, (6411) [2022-11-03 02:41:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17802 states to 17802 states and 25492 transitions. [2022-11-03 02:41:42,799 INFO L78 Accepts]: Start accepts. Automaton has 17802 states and 25492 transitions. Word has length 109 [2022-11-03 02:41:42,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:42,799 INFO L495 AbstractCegarLoop]: Abstraction has 17802 states and 25492 transitions. [2022-11-03 02:41:42,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2022-11-03 02:41:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 17802 states and 25492 transitions. [2022-11-03 02:41:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:41:42,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:42,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:42,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:41:42,802 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:41:42,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1194289327, now seen corresponding path program 1 times [2022-11-03 02:41:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:42,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941865082] [2022-11-03 02:41:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:41:43,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:43,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941865082] [2022-11-03 02:41:43,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941865082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:43,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:43,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:43,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086332626] [2022-11-03 02:41:43,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:43,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:43,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:43,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:43,300 INFO L87 Difference]: Start difference. First operand 17802 states and 25492 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2022-11-03 02:41:45,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:47,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:49,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:52,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:56,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:58,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:59,786 INFO L93 Difference]: Finished difference Result 17877 states and 25624 transitions. [2022-11-03 02:41:59,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:59,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 114 [2022-11-03 02:41:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:59,831 INFO L225 Difference]: With dead ends: 17877 [2022-11-03 02:41:59,831 INFO L226 Difference]: Without dead ends: 17875 [2022-11-03 02:41:59,838 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 [2022-11-03 02:41:59,839 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3121 mSDsluCounter, 4894 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 7822 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:59,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 7822 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 859 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2022-11-03 02:41:59,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2022-11-03 02:42:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17846. [2022-11-03 02:42:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17846 states, 10357 states have (on average 1.2652312445688907) internal successors, (13104), 10806 states have internal predecessors, (13104), 6014 states have call successors, (6014), 1442 states have call predecessors, (6014), 1452 states have return successors, (6421), 5875 states have call predecessors, (6421), 6012 states have call successors, (6421) [2022-11-03 02:42:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17846 states to 17846 states and 25539 transitions. [2022-11-03 02:42:01,061 INFO L78 Accepts]: Start accepts. Automaton has 17846 states and 25539 transitions. Word has length 114 [2022-11-03 02:42:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:01,061 INFO L495 AbstractCegarLoop]: Abstraction has 17846 states and 25539 transitions. [2022-11-03 02:42:01,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2022-11-03 02:42:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 17846 states and 25539 transitions. [2022-11-03 02:42:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 02:42:01,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:01,063 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:01,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:42:01,064 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:42:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:01,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1780212795, now seen corresponding path program 1 times [2022-11-03 02:42:01,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:01,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083841735] [2022-11-03 02:42:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:01,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-03 02:42:01,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:01,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083841735] [2022-11-03 02:42:01,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083841735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:01,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:01,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:01,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009845938] [2022-11-03 02:42:01,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:01,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:01,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:01,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:01,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:01,497 INFO L87 Difference]: Start difference. First operand 17846 states and 25539 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:42:04,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:06,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:09,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:12,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:15,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:16,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:16,269 INFO L93 Difference]: Finished difference Result 35605 states and 50965 transitions. [2022-11-03 02:42:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:16,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 133 [2022-11-03 02:42:16,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:16,330 INFO L225 Difference]: With dead ends: 35605 [2022-11-03 02:42:16,330 INFO L226 Difference]: Without dead ends: 17798 [2022-11-03 02:42:16,410 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 [2022-11-03 02:42:16,410 INFO L413 NwaCegarLoop]: 3162 mSDtfsCounter, 1 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:16,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6321 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 728 Invalid, 5 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 02:42:16,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17798 states. [2022-11-03 02:42:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17798 to 17798. [2022-11-03 02:42:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17798 states, 10325 states have (on average 1.264503631961259) internal successors, (13056), 10774 states have internal predecessors, (13056), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:42:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17798 states to 17798 states and 25459 transitions. [2022-11-03 02:42:17,847 INFO L78 Accepts]: Start accepts. Automaton has 17798 states and 25459 transitions. Word has length 133 [2022-11-03 02:42:17,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:17,848 INFO L495 AbstractCegarLoop]: Abstraction has 17798 states and 25459 transitions. [2022-11-03 02:42:17,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:42:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 17798 states and 25459 transitions. [2022-11-03 02:42:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:42:17,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:17,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:17,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:42:17,851 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:42:17,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:17,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1985029419, now seen corresponding path program 1 times [2022-11-03 02:42:17,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:17,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955936587] [2022-11-03 02:42:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:17,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:42:18,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:18,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955936587] [2022-11-03 02:42:18,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955936587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:18,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:18,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:42:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792879083] [2022-11-03 02:42:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:18,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:42:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:42:18,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:42:18,611 INFO L87 Difference]: Start difference. First operand 17798 states and 25459 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (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) [2022-11-03 02:42:21,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:24,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:26,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:28,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:31,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:34,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:36,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:39,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:39,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:39,732 INFO L93 Difference]: Finished difference Result 17827 states and 25542 transitions. [2022-11-03 02:42:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:42:39,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (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 119 [2022-11-03 02:42:39,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:39,790 INFO L225 Difference]: With dead ends: 17827 [2022-11-03 02:42:39,790 INFO L226 Difference]: Without dead ends: 17825 [2022-11-03 02:42:39,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:39,800 INFO L413 NwaCegarLoop]: 3409 mSDtfsCounter, 3050 mSDsluCounter, 4995 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 7905 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:39,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 7905 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 6 Unknown, 0 Unchecked, 19.7s Time] [2022-11-03 02:42:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17825 states. [2022-11-03 02:42:41,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17825 to 17796. [2022-11-03 02:42:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17796 states, 10324 states have (on average 1.2644323905463) internal successors, (13054), 10772 states have internal predecessors, (13054), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:42:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17796 states to 17796 states and 25457 transitions. [2022-11-03 02:42:41,160 INFO L78 Accepts]: Start accepts. Automaton has 17796 states and 25457 transitions. Word has length 119 [2022-11-03 02:42:41,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:41,161 INFO L495 AbstractCegarLoop]: Abstraction has 17796 states and 25457 transitions. [2022-11-03 02:42:41,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (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) [2022-11-03 02:42:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 17796 states and 25457 transitions. [2022-11-03 02:42:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:42:41,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:41,164 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:41,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:42:41,164 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:42:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:41,165 INFO L85 PathProgramCache]: Analyzing trace with hash -600147603, now seen corresponding path program 1 times [2022-11-03 02:42:41,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:41,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041822858] [2022-11-03 02:42:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:42:41,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:41,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041822858] [2022-11-03 02:42:41,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041822858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:41,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:41,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:42:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213523851] [2022-11-03 02:42:41,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:41,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:42:41,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:41,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:42:41,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:42:41,839 INFO L87 Difference]: Start difference. First operand 17796 states and 25457 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:42:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:47,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:50,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:53,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:55,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:58,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:59,424 INFO L93 Difference]: Finished difference Result 17825 states and 25540 transitions. [2022-11-03 02:42:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:42:59,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 124 [2022-11-03 02:42:59,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:59,482 INFO L225 Difference]: With dead ends: 17825 [2022-11-03 02:42:59,482 INFO L226 Difference]: Without dead ends: 17823 [2022-11-03 02:42:59,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:59,491 INFO L413 NwaCegarLoop]: 3407 mSDtfsCounter, 3047 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:59,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 7901 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 868 Invalid, 6 Unknown, 0 Unchecked, 16.1s Time] [2022-11-03 02:42:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17823 states. [2022-11-03 02:43:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17823 to 17794. [2022-11-03 02:43:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17794 states, 10323 states have (on average 1.2643611353288773) internal successors, (13052), 10770 states have internal predecessors, (13052), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:43:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17794 states to 17794 states and 25455 transitions. [2022-11-03 02:43:01,157 INFO L78 Accepts]: Start accepts. Automaton has 17794 states and 25455 transitions. Word has length 124 [2022-11-03 02:43:01,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:01,158 INFO L495 AbstractCegarLoop]: Abstraction has 17794 states and 25455 transitions. [2022-11-03 02:43:01,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:43:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 17794 states and 25455 transitions. [2022-11-03 02:43:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 02:43:01,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:01,176 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:43:01,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:43:01,176 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:43:01,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash 855656063, now seen corresponding path program 1 times [2022-11-03 02:43:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:43:01,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100726882] [2022-11-03 02:43:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-03 02:43:03,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:03,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100726882] [2022-11-03 02:43:03,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100726882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:03,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:03,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:43:03,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489674945] [2022-11-03 02:43:03,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:03,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:43:03,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:03,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:43:03,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:43:03,030 INFO L87 Difference]: Start difference. First operand 17794 states and 25455 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:43:06,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:10,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:14,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:15,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:24,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:26,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:30,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:31,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:43:31,132 INFO L93 Difference]: Finished difference Result 17823 states and 25538 transitions. [2022-11-03 02:43:31,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:43:31,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2022-11-03 02:43:31,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:43:31,194 INFO L225 Difference]: With dead ends: 17823 [2022-11-03 02:43:31,194 INFO L226 Difference]: Without dead ends: 17821 [2022-11-03 02:43:31,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:43:31,204 INFO L413 NwaCegarLoop]: 3406 mSDtfsCounter, 3039 mSDsluCounter, 11037 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 13207 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:43:31,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 13207 Invalid, 3118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3111 Invalid, 6 Unknown, 0 Unchecked, 26.1s Time] [2022-11-03 02:43:31,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17821 states. [2022-11-03 02:43:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17821 to 17792. [2022-11-03 02:43:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17792 states, 10322 states have (on average 1.2636117031583027) internal successors, (13043), 10768 states have internal predecessors, (13043), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:43:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17792 states to 17792 states and 25446 transitions. [2022-11-03 02:43:32,691 INFO L78 Accepts]: Start accepts. Automaton has 17792 states and 25446 transitions. Word has length 142 [2022-11-03 02:43:32,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:32,692 INFO L495 AbstractCegarLoop]: Abstraction has 17792 states and 25446 transitions. [2022-11-03 02:43:32,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:43:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 17792 states and 25446 transitions. [2022-11-03 02:43:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-03 02:43:32,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:32,695 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:43:32,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:43:32,696 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:43:32,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash 385145583, now seen corresponding path program 1 times [2022-11-03 02:43:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:43:32,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692944755] [2022-11-03 02:43:32,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-03 02:43:33,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:33,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692944755] [2022-11-03 02:43:33,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692944755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:33,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:33,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:43:33,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535050730] [2022-11-03 02:43:33,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:33,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:43:33,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:33,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:43:33,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:43:33,076 INFO L87 Difference]: Start difference. First operand 17792 states and 25446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:43:35,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:37,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:40,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:41,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:44,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:46,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:48,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:43:48,251 INFO L93 Difference]: Finished difference Result 35556 states and 51353 transitions. [2022-11-03 02:43:48,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:43:48,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2022-11-03 02:43:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:43:48,311 INFO L225 Difference]: With dead ends: 35556 [2022-11-03 02:43:48,311 INFO L226 Difference]: Without dead ends: 17803 [2022-11-03 02:43:48,373 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 [2022-11-03 02:43:48,374 INFO L413 NwaCegarLoop]: 3401 mSDtfsCounter, 3024 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:43:48,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 4488 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 500 Invalid, 4 Unknown, 0 Unchecked, 13.4s Time] [2022-11-03 02:43:48,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17803 states. [2022-11-03 02:43:49,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17803 to 17774. [2022-11-03 02:43:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17774 states, 10305 states have (on average 1.262493934983018) internal successors, (13010), 10750 states have internal predecessors, (13010), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:43:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17774 states to 17774 states and 25413 transitions. [2022-11-03 02:43:50,021 INFO L78 Accepts]: Start accepts. Automaton has 17774 states and 25413 transitions. Word has length 145 [2022-11-03 02:43:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:50,021 INFO L495 AbstractCegarLoop]: Abstraction has 17774 states and 25413 transitions. [2022-11-03 02:43:50,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:43:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 17774 states and 25413 transitions. [2022-11-03 02:43:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:43:50,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:50,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:43:50,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:43:50,025 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:43:50,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2019904110, now seen corresponding path program 1 times [2022-11-03 02:43:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:43:50,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021553577] [2022-11-03 02:43:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:43:50,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:50,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021553577] [2022-11-03 02:43:50,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021553577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:50,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:50,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:43:50,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271100480] [2022-11-03 02:43:50,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:50,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:43:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:43:50,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:43:50,413 INFO L87 Difference]: Start difference. First operand 17774 states and 25413 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:43:53,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:56,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:58,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:59,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:01,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:04,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:06,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:08,353 INFO L93 Difference]: Finished difference Result 17803 states and 25496 transitions. [2022-11-03 02:44:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:44:08,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 129 [2022-11-03 02:44:08,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:08,397 INFO L225 Difference]: With dead ends: 17803 [2022-11-03 02:44:08,397 INFO L226 Difference]: Without dead ends: 17801 [2022-11-03 02:44:08,403 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 [2022-11-03 02:44:08,404 INFO L413 NwaCegarLoop]: 3398 mSDtfsCounter, 3036 mSDsluCounter, 4983 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 7883 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:08,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 7883 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 5 Unknown, 0 Unchecked, 16.1s Time] [2022-11-03 02:44:08,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2022-11-03 02:44:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 17772. [2022-11-03 02:44:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17772 states, 10304 states have (on average 1.2624223602484472) internal successors, (13008), 10748 states have internal predecessors, (13008), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:44:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17772 states to 17772 states and 25411 transitions. [2022-11-03 02:44:10,051 INFO L78 Accepts]: Start accepts. Automaton has 17772 states and 25411 transitions. Word has length 129 [2022-11-03 02:44:10,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:10,051 INFO L495 AbstractCegarLoop]: Abstraction has 17772 states and 25411 transitions. [2022-11-03 02:44:10,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:44:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 17772 states and 25411 transitions. [2022-11-03 02:44:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:44:10,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:10,054 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:44:10,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:44:10,055 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:44:10,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:10,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2133275168, now seen corresponding path program 1 times [2022-11-03 02:44:10,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:10,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029321767] [2022-11-03 02:44:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:10,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:44:10,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029321767] [2022-11-03 02:44:10,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029321767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:10,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:44:10,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:44:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821726514] [2022-11-03 02:44:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:10,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:44:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:10,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:44:10,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:44:10,541 INFO L87 Difference]: Start difference. First operand 17772 states and 25411 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:44:13,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:16,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:17,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:22,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:24,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:26,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:26,184 INFO L93 Difference]: Finished difference Result 17801 states and 25494 transitions. [2022-11-03 02:44:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:44:26,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 134 [2022-11-03 02:44:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:26,230 INFO L225 Difference]: With dead ends: 17801 [2022-11-03 02:44:26,230 INFO L226 Difference]: Without dead ends: 17799 [2022-11-03 02:44:26,237 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 [2022-11-03 02:44:26,238 INFO L413 NwaCegarLoop]: 3396 mSDtfsCounter, 3033 mSDsluCounter, 4981 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 7879 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:26,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 7879 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 872 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-11-03 02:44:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17799 states. [2022-11-03 02:44:28,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17799 to 17770. [2022-11-03 02:44:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 10303 states have (on average 1.2623507716199165) internal successors, (13006), 10746 states have internal predecessors, (13006), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:44:28,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 25409 transitions. [2022-11-03 02:44:28,258 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 25409 transitions. Word has length 134 [2022-11-03 02:44:28,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:28,258 INFO L495 AbstractCegarLoop]: Abstraction has 17770 states and 25409 transitions. [2022-11-03 02:44:28,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:44:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 25409 transitions. [2022-11-03 02:44:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:44:28,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:28,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:44:28,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:44:28,260 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:44:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash 52749327, now seen corresponding path program 1 times [2022-11-03 02:44:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:28,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560232481] [2022-11-03 02:44:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:44:28,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:28,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560232481] [2022-11-03 02:44:28,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560232481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:28,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:44:28,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:44:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264687674] [2022-11-03 02:44:28,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:28,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:44:28,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:28,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:44:28,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:44:28,648 INFO L87 Difference]: Start difference. First operand 17770 states and 25409 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:44:31,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:34,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:40,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:42,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:44,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:44,608 INFO L93 Difference]: Finished difference Result 17799 states and 25492 transitions. [2022-11-03 02:44:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:44:44,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 139 [2022-11-03 02:44:44,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:44,657 INFO L225 Difference]: With dead ends: 17799 [2022-11-03 02:44:44,657 INFO L226 Difference]: Without dead ends: 17797 [2022-11-03 02:44:44,665 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 [2022-11-03 02:44:44,665 INFO L413 NwaCegarLoop]: 3394 mSDtfsCounter, 3031 mSDsluCounter, 4981 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 7875 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:44,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 7875 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 874 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-11-03 02:44:44,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17797 states. [2022-11-03 02:44:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17797 to 17768. [2022-11-03 02:44:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17768 states, 10302 states have (on average 1.26227916909338) internal successors, (13004), 10744 states have internal predecessors, (13004), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:44:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17768 states to 17768 states and 25407 transitions. [2022-11-03 02:44:46,597 INFO L78 Accepts]: Start accepts. Automaton has 17768 states and 25407 transitions. Word has length 139 [2022-11-03 02:44:46,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:46,598 INFO L495 AbstractCegarLoop]: Abstraction has 17768 states and 25407 transitions. [2022-11-03 02:44:46,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:44:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 17768 states and 25407 transitions. [2022-11-03 02:44:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:44:46,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:46,601 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:44:46,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:44:46,601 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:44:46,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:46,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1568892097, now seen corresponding path program 1 times [2022-11-03 02:44:46,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:46,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198651607] [2022-11-03 02:44:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:46,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:44:46,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:46,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198651607] [2022-11-03 02:44:46,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198651607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:46,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:44:46,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:44:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850400203] [2022-11-03 02:44:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:46,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:44:46,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:46,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:44:46,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:44:46,967 INFO L87 Difference]: Start difference. First operand 17768 states and 25407 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:44:49,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:51,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:52,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:55,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:58,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:01,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:02,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:02,793 INFO L93 Difference]: Finished difference Result 17797 states and 25490 transitions. [2022-11-03 02:45:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:45:02,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 144 [2022-11-03 02:45:02,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:02,846 INFO L225 Difference]: With dead ends: 17797 [2022-11-03 02:45:02,846 INFO L226 Difference]: Without dead ends: 17795 [2022-11-03 02:45:02,854 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 [2022-11-03 02:45:02,855 INFO L413 NwaCegarLoop]: 3384 mSDtfsCounter, 3086 mSDsluCounter, 4865 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 7766 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:02,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 7766 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 858 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-03 02:45:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17795 states. [2022-11-03 02:45:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17795 to 17766. [2022-11-03 02:45:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17766 states, 10301 states have (on average 1.2622075526647898) internal successors, (13002), 10742 states have internal predecessors, (13002), 5998 states have call successors, (5998), 1442 states have call predecessors, (5998), 1452 states have return successors, (6405), 5859 states have call predecessors, (6405), 5996 states have call successors, (6405) [2022-11-03 02:45:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17766 states to 17766 states and 25405 transitions. [2022-11-03 02:45:04,525 INFO L78 Accepts]: Start accepts. Automaton has 17766 states and 25405 transitions. Word has length 144 [2022-11-03 02:45:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:04,525 INFO L495 AbstractCegarLoop]: Abstraction has 17766 states and 25405 transitions. [2022-11-03 02:45:04,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:45:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 17766 states and 25405 transitions. [2022-11-03 02:45:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-03 02:45:04,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:04,528 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:04,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:45:04,528 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:45:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1211088739, now seen corresponding path program 1 times [2022-11-03 02:45:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:04,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263430529] [2022-11-03 02:45:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:45:04,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:04,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263430529] [2022-11-03 02:45:04,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263430529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:04,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:04,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:45:04,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040017593] [2022-11-03 02:45:04,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:04,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:45:04,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:04,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:45:04,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:45:04,942 INFO L87 Difference]: Start difference. First operand 17766 states and 25405 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:45:07,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:13,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:14,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:16,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:19,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:21,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:25,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:26,025 INFO L93 Difference]: Finished difference Result 17795 states and 25488 transitions. [2022-11-03 02:45:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:45:26,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 149 [2022-11-03 02:45:26,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:26,080 INFO L225 Difference]: With dead ends: 17795 [2022-11-03 02:45:26,081 INFO L226 Difference]: Without dead ends: 17643 [2022-11-03 02:45:26,093 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 [2022-11-03 02:45:26,093 INFO L413 NwaCegarLoop]: 3391 mSDtfsCounter, 3025 mSDsluCounter, 4978 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 7869 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:26,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 7869 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 6 Unknown, 0 Unchecked, 19.0s Time] [2022-11-03 02:45:26,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17643 states. [2022-11-03 02:45:28,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17643 to 17614. [2022-11-03 02:45:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17614 states, 10223 states have (on average 1.2634256089210603) internal successors, (12916), 10658 states have internal predecessors, (12916), 5947 states have call successors, (5947), 1422 states have call predecessors, (5947), 1430 states have return successors, (6350), 5810 states have call predecessors, (6350), 5941 states have call successors, (6350) [2022-11-03 02:45:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17614 states to 17614 states and 25213 transitions. [2022-11-03 02:45:28,096 INFO L78 Accepts]: Start accepts. Automaton has 17614 states and 25213 transitions. Word has length 149 [2022-11-03 02:45:28,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:28,097 INFO L495 AbstractCegarLoop]: Abstraction has 17614 states and 25213 transitions. [2022-11-03 02:45:28,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:45:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17614 states and 25213 transitions. [2022-11-03 02:45:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 02:45:28,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:28,099 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:28,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:45:28,100 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:45:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1873536498, now seen corresponding path program 1 times [2022-11-03 02:45:28,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:28,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964989661] [2022-11-03 02:45:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-03 02:45:28,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:28,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964989661] [2022-11-03 02:45:28,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964989661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:28,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:28,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:28,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573122389] [2022-11-03 02:45:28,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:28,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:28,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:28,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:28,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:28,456 INFO L87 Difference]: Start difference. First operand 17614 states and 25213 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:45:30,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:33,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:35,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:37,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:40,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:43,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:44,831 INFO L93 Difference]: Finished difference Result 35200 states and 50427 transitions. [2022-11-03 02:45:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:44,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 166 [2022-11-03 02:45:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:44,879 INFO L225 Difference]: With dead ends: 35200 [2022-11-03 02:45:44,879 INFO L226 Difference]: Without dead ends: 17625 [2022-11-03 02:45:44,941 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 [2022-11-03 02:45:44,941 INFO L413 NwaCegarLoop]: 3288 mSDtfsCounter, 2929 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:44,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 4375 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 5 Unknown, 0 Unchecked, 14.0s Time] [2022-11-03 02:45:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17625 states. [2022-11-03 02:45:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17625 to 17596. [2022-11-03 02:45:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17596 states, 10206 states have (on average 1.262296688222614) internal successors, (12883), 10640 states have internal predecessors, (12883), 5947 states have call successors, (5947), 1422 states have call predecessors, (5947), 1430 states have return successors, (6350), 5810 states have call predecessors, (6350), 5941 states have call successors, (6350) [2022-11-03 02:45:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17596 states to 17596 states and 25180 transitions. [2022-11-03 02:45:46,967 INFO L78 Accepts]: Start accepts. Automaton has 17596 states and 25180 transitions. Word has length 166 [2022-11-03 02:45:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:46,968 INFO L495 AbstractCegarLoop]: Abstraction has 17596 states and 25180 transitions. [2022-11-03 02:45:46,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:45:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17596 states and 25180 transitions. [2022-11-03 02:45:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-03 02:45:46,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:46,971 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:46,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:45:46,971 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:45:46,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1587857664, now seen corresponding path program 1 times [2022-11-03 02:45:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:46,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340799953] [2022-11-03 02:45:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:46,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-03 02:45:47,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:47,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340799953] [2022-11-03 02:45:47,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340799953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:45:47,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174484020] [2022-11-03 02:45:47,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:47,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:47,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:47,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:45:47,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:45:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:49,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 3929 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:45:49,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-03 02:45:49,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:49,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174484020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:49,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:45:49,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 02:45:49,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520997219] [2022-11-03 02:45:49,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:49,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:49,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:49,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:45:49,244 INFO L87 Difference]: Start difference. First operand 17596 states and 25180 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:45:51,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:54,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:57,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:59,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:02,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:04,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:06,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:06,605 INFO L93 Difference]: Finished difference Result 35180 states and 50393 transitions. [2022-11-03 02:46:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:46:06,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 171 [2022-11-03 02:46:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:06,679 INFO L225 Difference]: With dead ends: 35180 [2022-11-03 02:46:06,680 INFO L226 Difference]: Without dead ends: 17623 [2022-11-03 02:46:06,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:46:06,742 INFO L413 NwaCegarLoop]: 3283 mSDtfsCounter, 2886 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 4371 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:06,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 4371 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 481 Invalid, 6 Unknown, 0 Unchecked, 15.0s Time] [2022-11-03 02:46:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17623 states. [2022-11-03 02:46:08,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17623 to 17578. [2022-11-03 02:46:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17578 states, 10189 states have (on average 1.2611640003925801) internal successors, (12850), 10622 states have internal predecessors, (12850), 5947 states have call successors, (5947), 1422 states have call predecessors, (5947), 1430 states have return successors, (6350), 5810 states have call predecessors, (6350), 5941 states have call successors, (6350) [2022-11-03 02:46:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17578 states to 17578 states and 25147 transitions. [2022-11-03 02:46:08,917 INFO L78 Accepts]: Start accepts. Automaton has 17578 states and 25147 transitions. Word has length 171 [2022-11-03 02:46:08,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:08,918 INFO L495 AbstractCegarLoop]: Abstraction has 17578 states and 25147 transitions. [2022-11-03 02:46:08,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:46:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 17578 states and 25147 transitions. [2022-11-03 02:46:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-03 02:46:08,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:08,922 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:08,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:09,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-03 02:46:09,147 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:46:09,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:09,148 INFO L85 PathProgramCache]: Analyzing trace with hash 632297948, now seen corresponding path program 1 times [2022-11-03 02:46:09,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:09,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202808805] [2022-11-03 02:46:09,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:09,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2022-11-03 02:46:09,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:09,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202808805] [2022-11-03 02:46:09,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202808805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:09,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:09,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:46:09,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495034681] [2022-11-03 02:46:09,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:09,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:46:09,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:09,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:46:09,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:46:09,950 INFO L87 Difference]: Start difference. First operand 17578 states and 25147 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 02:46:12,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:15,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:20,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:21,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:23,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:26,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:29,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:32,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:34,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:34,077 INFO L93 Difference]: Finished difference Result 17769 states and 25359 transitions. [2022-11-03 02:46:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:34,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 239 [2022-11-03 02:46:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:34,123 INFO L225 Difference]: With dead ends: 17769 [2022-11-03 02:46:34,123 INFO L226 Difference]: Without dead ends: 17767 [2022-11-03 02:46:34,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:34,130 INFO L413 NwaCegarLoop]: 3284 mSDtfsCounter, 2779 mSDsluCounter, 8591 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 11021 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:34,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 11021 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1220 Invalid, 6 Unknown, 0 Unchecked, 21.8s Time] [2022-11-03 02:46:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17767 states. [2022-11-03 02:46:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17767 to 17738. [2022-11-03 02:46:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17738 states, 10293 states have (on average 1.260079665792286) internal successors, (12970), 10726 states have internal predecessors, (12970), 5947 states have call successors, (5947), 1478 states have call predecessors, (5947), 1486 states have return successors, (6350), 5810 states have call predecessors, (6350), 5941 states have call successors, (6350) [2022-11-03 02:46:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17738 states to 17738 states and 25267 transitions. [2022-11-03 02:46:36,014 INFO L78 Accepts]: Start accepts. Automaton has 17738 states and 25267 transitions. Word has length 239 [2022-11-03 02:46:36,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:36,014 INFO L495 AbstractCegarLoop]: Abstraction has 17738 states and 25267 transitions. [2022-11-03 02:46:36,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 02:46:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 17738 states and 25267 transitions. [2022-11-03 02:46:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-03 02:46:36,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:36,019 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:36,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:46:36,020 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:46:36,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1766683422, now seen corresponding path program 1 times [2022-11-03 02:46:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:36,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61255587] [2022-11-03 02:46:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-11-03 02:46:37,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:37,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61255587] [2022-11-03 02:46:37,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61255587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:37,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:37,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:46:37,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014919464] [2022-11-03 02:46:37,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:37,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:46:37,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:37,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:46:37,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:46:37,005 INFO L87 Difference]: Start difference. First operand 17738 states and 25267 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 02:46:39,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:43,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:50,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:52,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:57,174 INFO L93 Difference]: Finished difference Result 25781 states and 36794 transitions. [2022-11-03 02:46:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:57,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 214 [2022-11-03 02:46:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:57,249 INFO L225 Difference]: With dead ends: 25781 [2022-11-03 02:46:57,249 INFO L226 Difference]: Without dead ends: 25779 [2022-11-03 02:46:57,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:57,258 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 2840 mSDsluCounter, 11510 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 14251 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:57,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 14251 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1416 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2022-11-03 02:46:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25779 states. [2022-11-03 02:47:00,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25779 to 25677. [2022-11-03 02:47:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25677 states, 14887 states have (on average 1.259488144018271) internal successors, (18750), 15532 states have internal predecessors, (18750), 8611 states have call successors, (8611), 2164 states have call predecessors, (8611), 2167 states have return successors, (9316), 8371 states have call predecessors, (9316), 8605 states have call successors, (9316) [2022-11-03 02:47:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25677 states to 25677 states and 36677 transitions. [2022-11-03 02:47:00,191 INFO L78 Accepts]: Start accepts. Automaton has 25677 states and 36677 transitions. Word has length 214 [2022-11-03 02:47:00,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:00,192 INFO L495 AbstractCegarLoop]: Abstraction has 25677 states and 36677 transitions. [2022-11-03 02:47:00,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 02:47:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 25677 states and 36677 transitions. [2022-11-03 02:47:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-03 02:47:00,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:00,195 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:00,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:47:00,196 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:47:00,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:00,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1099695494, now seen corresponding path program 1 times [2022-11-03 02:47:00,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:00,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147390504] [2022-11-03 02:47:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 02:47:04,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:04,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147390504] [2022-11-03 02:47:04,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147390504] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:47:04,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568266808] [2022-11-03 02:47:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:04,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:47:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:06,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 4174 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 02:47:06,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-03 02:47:07,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:07,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568266808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:07,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:47:07,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 16 [2022-11-03 02:47:07,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436291669] [2022-11-03 02:47:07,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:07,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:47:07,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:07,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:47:07,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:47:07,137 INFO L87 Difference]: Start difference. First operand 25677 states and 36677 transitions. Second operand has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-11-03 02:47:12,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:17,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:22,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:28,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:30,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:32,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:34,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:37,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:39,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:41,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:43,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:45,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:51,448 INFO L93 Difference]: Finished difference Result 56527 states and 81817 transitions. [2022-11-03 02:47:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:47:51,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 213 [2022-11-03 02:47:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:51,539 INFO L225 Difference]: With dead ends: 56527 [2022-11-03 02:47:51,539 INFO L226 Difference]: Without dead ends: 30877 [2022-11-03 02:47:51,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:47:51,602 INFO L413 NwaCegarLoop]: 3605 mSDtfsCounter, 989 mSDsluCounter, 34225 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 758 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 34458 SdHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 758 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:51,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 34458 Invalid, 5198 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [758 Valid, 4429 Invalid, 11 Unknown, 0 Unchecked, 39.2s Time] [2022-11-03 02:47:51,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30877 states. [2022-11-03 02:47:55,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30877 to 25821. [2022-11-03 02:47:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25821 states, 14983 states have (on average 1.2578255356070214) internal successors, (18846), 15628 states have internal predecessors, (18846), 8659 states have call successors, (8659), 2164 states have call predecessors, (8659), 2167 states have return successors, (9364), 8419 states have call predecessors, (9364), 8653 states have call successors, (9364) [2022-11-03 02:47:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25821 states to 25821 states and 36869 transitions. [2022-11-03 02:47:55,240 INFO L78 Accepts]: Start accepts. Automaton has 25821 states and 36869 transitions. Word has length 213 [2022-11-03 02:47:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:55,241 INFO L495 AbstractCegarLoop]: Abstraction has 25821 states and 36869 transitions. [2022-11-03 02:47:55,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-11-03 02:47:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 25821 states and 36869 transitions. [2022-11-03 02:47:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-03 02:47:55,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:55,243 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:55,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:55,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-03 02:47:55,444 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:47:55,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash -757624595, now seen corresponding path program 1 times [2022-11-03 02:47:55,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:55,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413999987] [2022-11-03 02:47:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-03 02:47:57,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:57,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413999987] [2022-11-03 02:47:57,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413999987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:57,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:57,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:47:57,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608977677] [2022-11-03 02:47:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:57,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:47:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:57,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:47:57,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:47:57,110 INFO L87 Difference]: Start difference. First operand 25821 states and 36869 transitions. Second operand has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-03 02:48:04,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:06,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:10,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:12,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:15,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:16,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:23,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:26,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:31,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:31,391 INFO L93 Difference]: Finished difference Result 54991 states and 79171 transitions. [2022-11-03 02:48:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:48:31,392 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) Word has length 217 [2022-11-03 02:48:31,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:31,484 INFO L225 Difference]: With dead ends: 54991 [2022-11-03 02:48:31,484 INFO L226 Difference]: Without dead ends: 29209 [2022-11-03 02:48:31,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:48:31,548 INFO L413 NwaCegarLoop]: 3432 mSDtfsCounter, 188 mSDsluCounter, 26306 mSDsCounter, 0 mSdLazyCounter, 3146 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 27097 SdHoareTripleChecker+Invalid, 3152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3146 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:31,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 27097 Invalid, 3152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3146 Invalid, 5 Unknown, 0 Unchecked, 28.9s Time] [2022-11-03 02:48:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29209 states. [2022-11-03 02:48:35,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29209 to 25917. [2022-11-03 02:48:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25917 states, 15043 states have (on average 1.256797181413282) internal successors, (18906), 15688 states have internal predecessors, (18906), 8671 states have call successors, (8671), 2164 states have call predecessors, (8671), 2191 states have return successors, (9424), 8455 states have call predecessors, (9424), 8665 states have call successors, (9424) [2022-11-03 02:48:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25917 states to 25917 states and 37001 transitions. [2022-11-03 02:48:35,211 INFO L78 Accepts]: Start accepts. Automaton has 25917 states and 37001 transitions. Word has length 217 [2022-11-03 02:48:35,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:35,212 INFO L495 AbstractCegarLoop]: Abstraction has 25917 states and 37001 transitions. [2022-11-03 02:48:35,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-03 02:48:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25917 states and 37001 transitions. [2022-11-03 02:48:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-03 02:48:35,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:35,216 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:35,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:48:35,217 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:48:35,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1651833283, now seen corresponding path program 1 times [2022-11-03 02:48:35,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:35,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568642039] [2022-11-03 02:48:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-03 02:48:35,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:35,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568642039] [2022-11-03 02:48:35,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568642039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:35,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:35,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:48:35,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267814082] [2022-11-03 02:48:35,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:35,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:35,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:35,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:35,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:48:35,809 INFO L87 Difference]: Start difference. First operand 25917 states and 37001 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 02:48:39,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:42,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:44,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:46,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:48,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:52,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:54,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:58,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:00,423 INFO L93 Difference]: Finished difference Result 25919 states and 37002 transitions. [2022-11-03 02:49:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:49:00,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 244 [2022-11-03 02:49:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:00,495 INFO L225 Difference]: With dead ends: 25919 [2022-11-03 02:49:00,496 INFO L226 Difference]: Without dead ends: 25917 [2022-11-03 02:49:00,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:49:00,506 INFO L413 NwaCegarLoop]: 3037 mSDtfsCounter, 107 mSDsluCounter, 10041 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 12043 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:00,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 12043 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1396 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 02:49:00,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25917 states. [2022-11-03 02:49:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25917 to 25917. [2022-11-03 02:49:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25917 states, 15043 states have (on average 1.2559994681911852) internal successors, (18894), 15688 states have internal predecessors, (18894), 8671 states have call successors, (8671), 2164 states have call predecessors, (8671), 2191 states have return successors, (9424), 8455 states have call predecessors, (9424), 8665 states have call successors, (9424) [2022-11-03 02:49:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25917 states to 25917 states and 36989 transitions. [2022-11-03 02:49:03,941 INFO L78 Accepts]: Start accepts. Automaton has 25917 states and 36989 transitions. Word has length 244 [2022-11-03 02:49:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:03,941 INFO L495 AbstractCegarLoop]: Abstraction has 25917 states and 36989 transitions. [2022-11-03 02:49:03,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 02:49:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 25917 states and 36989 transitions. [2022-11-03 02:49:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-03 02:49:03,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:03,944 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:03,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-03 02:49:03,945 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:49:03,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:03,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1213656065, now seen corresponding path program 1 times [2022-11-03 02:49:03,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:03,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378655858] [2022-11-03 02:49:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:04,086 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:49:04,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538328538] [2022-11-03 02:49:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:04,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:04,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:04,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:49:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:05,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 02:49:05,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-11-03 02:49:06,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-03 02:49:06,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:06,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378655858] [2022-11-03 02:49:06,918 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:49:06,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538328538] [2022-11-03 02:49:06,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538328538] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:06,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:49:06,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 16 [2022-11-03 02:49:06,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301434125] [2022-11-03 02:49:06,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:06,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:49:06,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:06,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:49:06,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:06,920 INFO L87 Difference]: Start difference. First operand 25917 states and 36989 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:49:10,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:14,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:16,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:19,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:24,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:26,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:30,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:30,243 INFO L93 Difference]: Finished difference Result 26075 states and 37218 transitions. [2022-11-03 02:49:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:30,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 234 [2022-11-03 02:49:30,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:30,320 INFO L225 Difference]: With dead ends: 26075 [2022-11-03 02:49:30,320 INFO L226 Difference]: Without dead ends: 26073 [2022-11-03 02:49:30,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:30,331 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 15 mSDsluCounter, 16885 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 9 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18183 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:30,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 18183 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2114 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2022-11-03 02:49:30,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26073 states. [2022-11-03 02:49:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26073 to 26049. [2022-11-03 02:49:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26049 states, 15115 states have (on average 1.2547800198478334) internal successors, (18966), 15772 states have internal predecessors, (18966), 8719 states have call successors, (8719), 2176 states have call predecessors, (8719), 2203 states have return successors, (9472), 8491 states have call predecessors, (9472), 8713 states have call successors, (9472) [2022-11-03 02:49:33,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26049 states to 26049 states and 37157 transitions. [2022-11-03 02:49:33,848 INFO L78 Accepts]: Start accepts. Automaton has 26049 states and 37157 transitions. Word has length 234 [2022-11-03 02:49:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:33,848 INFO L495 AbstractCegarLoop]: Abstraction has 26049 states and 37157 transitions. [2022-11-03 02:49:33,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:49:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 26049 states and 37157 transitions. [2022-11-03 02:49:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-03 02:49:33,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:33,852 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:33,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:34,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:34,053 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:49:34,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:34,054 INFO L85 PathProgramCache]: Analyzing trace with hash -14561630, now seen corresponding path program 1 times [2022-11-03 02:49:34,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:34,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653886372] [2022-11-03 02:49:34,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:34,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:34,198 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:49:34,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199546208] [2022-11-03 02:49:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:34,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:34,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:34,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:49:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:49:35,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-03 02:49:36,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:36,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:36,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653886372] [2022-11-03 02:49:36,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:49:36,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199546208] [2022-11-03 02:49:36,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199546208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:36,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:36,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:49:36,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532635807] [2022-11-03 02:49:36,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:36,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:36,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:36,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:36,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:49:36,038 INFO L87 Difference]: Start difference. First operand 26049 states and 37157 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:49:40,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:42,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:44,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:47,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:49,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:51,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:55,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:57,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:01,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:03,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:03,678 INFO L93 Difference]: Finished difference Result 52203 states and 74485 transitions. [2022-11-03 02:50:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:50:03,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 243 [2022-11-03 02:50:03,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:03,752 INFO L225 Difference]: With dead ends: 52203 [2022-11-03 02:50:03,752 INFO L226 Difference]: Without dead ends: 26193 [2022-11-03 02:50:03,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:50:03,811 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 9 mSDsluCounter, 10117 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 5 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12115 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:03,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12115 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1410 Invalid, 8 Unknown, 0 Unchecked, 23.2s Time] [2022-11-03 02:50:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26193 states. [2022-11-03 02:50:07,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26193 to 26145. [2022-11-03 02:50:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26145 states, 15163 states have (on average 1.2539734880960232) internal successors, (19014), 15844 states have internal predecessors, (19014), 8755 states have call successors, (8755), 2188 states have call predecessors, (8755), 2215 states have return successors, (9508), 8503 states have call predecessors, (9508), 8749 states have call successors, (9508) [2022-11-03 02:50:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26145 states to 26145 states and 37277 transitions. [2022-11-03 02:50:08,040 INFO L78 Accepts]: Start accepts. Automaton has 26145 states and 37277 transitions. Word has length 243 [2022-11-03 02:50:08,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:08,041 INFO L495 AbstractCegarLoop]: Abstraction has 26145 states and 37277 transitions. [2022-11-03 02:50:08,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:50:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26145 states and 37277 transitions. [2022-11-03 02:50:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-03 02:50:08,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:08,044 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:08,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:08,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-03 02:50:08,245 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-03 02:50:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash -839235020, now seen corresponding path program 1 times [2022-11-03 02:50:08,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:08,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880166865] [2022-11-03 02:50:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:08,376 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:50:08,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414180800] [2022-11-03 02:50:08,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:08,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:08,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7286942-3f61-4a95-a43d-05b8aaf1ffbf/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:50:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:10,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 4378 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:50:10,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-11-03 02:50:10,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:10,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880166865] [2022-11-03 02:50:10,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:50:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414180800] [2022-11-03 02:50:10,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414180800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:10,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:10,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:50:10,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895920349] [2022-11-03 02:50:10,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:10,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:50:10,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:10,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:50:10,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:50:10,501 INFO L87 Difference]: Start difference. First operand 26145 states and 37277 transitions. Second operand has 12 states, 9 states have (on average 11.444444444444445) internal successors, (103), 11 states have internal predecessors, (103), 7 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (45), 7 states have call predecessors, (45), 7 states have call successors, (45) [2022-11-03 02:50:20,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:22,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:24,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:25,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:27,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:29,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:31,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:33,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:35,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:37,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:39,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:41,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []