./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--usb--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P --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 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:42:21,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:42:21,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:42:21,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:42:21,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:42:21,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:42:21,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:42:21,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:42:21,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:42:21,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:42:21,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:42:21,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:42:21,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:42:21,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:42:21,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:42:21,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:42:21,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:42:21,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:42:21,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:42:21,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:42:21,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:42:21,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:42:21,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:42:21,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:42:21,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:42:21,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:42:21,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:42:21,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:42:21,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:42:21,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:42:21,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:42:21,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:42:21,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:42:21,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:42:21,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:42:21,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:42:21,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:42:21,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:42:21,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:42:21,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:42:21,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:42:21,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:42:21,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:42:21,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:42:21,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:42:21,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:42:21,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:42:21,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:42:21,532 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:42:21,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:42:21,532 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:42:21,533 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:42:21,534 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:42:21,534 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:42:21,534 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:42:21,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:42:21,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:42:21,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:42:21,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:42:21,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:42:21,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:42:21,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:42:21,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:42:21,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:42:21,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:42:21,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:42:21,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:42:21,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:42:21,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:42:21,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:42:21,538 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2021-11-21 01:42:21,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:42:21,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:42:21,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:42:21,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:42:21,792 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:42:21,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-11-21 01:42:21,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/data/984fc5786/802ecfc672f245edae4dba087189eb13/FLAG78b758aa0 [2021-11-21 01:42:22,828 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:42:22,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-11-21 01:42:22,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/data/984fc5786/802ecfc672f245edae4dba087189eb13/FLAG78b758aa0 [2021-11-21 01:42:23,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/data/984fc5786/802ecfc672f245edae4dba087189eb13 [2021-11-21 01:42:23,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:42:23,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:42:23,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:42:23,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:42:23,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:42:23,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:42:23" (1/1) ... [2021-11-21 01:42:23,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e8bab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:23, skipping insertion in model container [2021-11-21 01:42:23,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:42:23" (1/1) ... [2021-11-21 01:42:23,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:42:23,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:42:27,126 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_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2021-11-21 01:42:27,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2021-11-21 01:42:27,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2021-11-21 01:42:27,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2021-11-21 01:42:27,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2021-11-21 01:42:27,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2021-11-21 01:42:27,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2021-11-21 01:42:27,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2021-11-21 01:42:27,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2021-11-21 01:42:27,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2021-11-21 01:42:27,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2021-11-21 01:42:27,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2021-11-21 01:42:27,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2021-11-21 01:42:27,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2021-11-21 01:42:27,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2021-11-21 01:42:27,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2021-11-21 01:42:27,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2021-11-21 01:42:27,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2021-11-21 01:42:27,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2021-11-21 01:42:27,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2021-11-21 01:42:27,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2021-11-21 01:42:27,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2021-11-21 01:42:27,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2021-11-21 01:42:27,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2021-11-21 01:42:27,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2021-11-21 01:42:27,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2021-11-21 01:42:27,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2021-11-21 01:42:27,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2021-11-21 01:42:27,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2021-11-21 01:42:27,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2021-11-21 01:42:27,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2021-11-21 01:42:27,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2021-11-21 01:42:27,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2021-11-21 01:42:27,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2021-11-21 01:42:27,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2021-11-21 01:42:27,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2021-11-21 01:42:27,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2021-11-21 01:42:27,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2021-11-21 01:42:27,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2021-11-21 01:42:27,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2021-11-21 01:42:27,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2021-11-21 01:42:27,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2021-11-21 01:42:27,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2021-11-21 01:42:27,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2021-11-21 01:42:27,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2021-11-21 01:42:27,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2021-11-21 01:42:27,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2021-11-21 01:42:27,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2021-11-21 01:42:27,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2021-11-21 01:42:27,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2021-11-21 01:42:27,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2021-11-21 01:42:27,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2021-11-21 01:42:27,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2021-11-21 01:42:27,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2021-11-21 01:42:27,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2021-11-21 01:42:27,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2021-11-21 01:42:27,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2021-11-21 01:42:27,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2021-11-21 01:42:27,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2021-11-21 01:42:27,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2021-11-21 01:42:27,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2021-11-21 01:42:27,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2021-11-21 01:42:27,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2021-11-21 01:42:27,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2021-11-21 01:42:27,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2021-11-21 01:42:27,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2021-11-21 01:42:27,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2021-11-21 01:42:27,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2021-11-21 01:42:27,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2021-11-21 01:42:27,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2021-11-21 01:42:27,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2021-11-21 01:42:27,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2021-11-21 01:42:27,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2021-11-21 01:42:27,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2021-11-21 01:42:27,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2021-11-21 01:42:27,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2021-11-21 01:42:27,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2021-11-21 01:42:27,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2021-11-21 01:42:27,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2021-11-21 01:42:27,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2021-11-21 01:42:27,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2021-11-21 01:42:27,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2021-11-21 01:42:27,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2021-11-21 01:42:27,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2021-11-21 01:42:27,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2021-11-21 01:42:27,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2021-11-21 01:42:27,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2021-11-21 01:42:27,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2021-11-21 01:42:27,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:42:27,234 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:42:27,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2021-11-21 01:42:27,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2021-11-21 01:42:27,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2021-11-21 01:42:27,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2021-11-21 01:42:27,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2021-11-21 01:42:27,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2021-11-21 01:42:27,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2021-11-21 01:42:27,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2021-11-21 01:42:27,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2021-11-21 01:42:27,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2021-11-21 01:42:27,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2021-11-21 01:42:27,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2021-11-21 01:42:27,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2021-11-21 01:42:27,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2021-11-21 01:42:27,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2021-11-21 01:42:27,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2021-11-21 01:42:27,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2021-11-21 01:42:27,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2021-11-21 01:42:27,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2021-11-21 01:42:27,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2021-11-21 01:42:27,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2021-11-21 01:42:27,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2021-11-21 01:42:27,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2021-11-21 01:42:27,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2021-11-21 01:42:27,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2021-11-21 01:42:27,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2021-11-21 01:42:27,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2021-11-21 01:42:27,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2021-11-21 01:42:27,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2021-11-21 01:42:27,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2021-11-21 01:42:27,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2021-11-21 01:42:27,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2021-11-21 01:42:27,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2021-11-21 01:42:27,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2021-11-21 01:42:27,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2021-11-21 01:42:27,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2021-11-21 01:42:27,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2021-11-21 01:42:27,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2021-11-21 01:42:27,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2021-11-21 01:42:27,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2021-11-21 01:42:27,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2021-11-21 01:42:27,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2021-11-21 01:42:27,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2021-11-21 01:42:27,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2021-11-21 01:42:27,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2021-11-21 01:42:27,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2021-11-21 01:42:27,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2021-11-21 01:42:27,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2021-11-21 01:42:27,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2021-11-21 01:42:27,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2021-11-21 01:42:27,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2021-11-21 01:42:27,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2021-11-21 01:42:27,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2021-11-21 01:42:27,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2021-11-21 01:42:27,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2021-11-21 01:42:27,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2021-11-21 01:42:27,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2021-11-21 01:42:27,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2021-11-21 01:42:27,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2021-11-21 01:42:27,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2021-11-21 01:42:27,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2021-11-21 01:42:27,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2021-11-21 01:42:27,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2021-11-21 01:42:27,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2021-11-21 01:42:27,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2021-11-21 01:42:27,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2021-11-21 01:42:27,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2021-11-21 01:42:27,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2021-11-21 01:42:27,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2021-11-21 01:42:27,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2021-11-21 01:42:27,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2021-11-21 01:42:27,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2021-11-21 01:42:27,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2021-11-21 01:42:27,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2021-11-21 01:42:27,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2021-11-21 01:42:27,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2021-11-21 01:42:27,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2021-11-21 01:42:27,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2021-11-21 01:42:27,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2021-11-21 01:42:27,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2021-11-21 01:42:27,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2021-11-21 01:42:27,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2021-11-21 01:42:27,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2021-11-21 01:42:27,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2021-11-21 01:42:27,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2021-11-21 01:42:27,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2021-11-21 01:42:27,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2021-11-21 01:42:27,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2021-11-21 01:42:27,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:42:28,033 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:42:28,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28 WrapperNode [2021-11-21 01:42:28,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:42:28,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:42:28,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:42:28,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:42:28,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,390 INFO L137 Inliner]: procedures = 599, calls = 2864, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6185 [2021-11-21 01:42:28,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:42:28,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:42:28,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:42:28,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:42:28,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:42:28,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:42:28,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:42:28,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:42:28,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (1/1) ... [2021-11-21 01:42:28,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:42:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:42:28,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:42:28,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 01:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 01:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2021-11-21 01:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2021-11-21 01:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 01:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 01:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 01:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 01:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 01:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 01:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 01:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 01:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 01:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 01:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-11-21 01:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-11-21 01:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 01:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 01:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2021-11-21 01:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2021-11-21 01:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-21 01:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-21 01:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2021-11-21 01:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2021-11-21 01:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 01:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 01:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 01:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 01:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 01:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 01:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-21 01:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-21 01:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2021-11-21 01:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2021-11-21 01:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 01:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 01:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 01:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 01:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2021-11-21 01:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2021-11-21 01:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 01:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 01:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2021-11-21 01:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2021-11-21 01:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2021-11-21 01:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2021-11-21 01:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 01:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 01:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2021-11-21 01:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2021-11-21 01:42:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 01:42:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 01:42:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:42:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 01:42:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 01:42:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:42:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:42:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:42:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 01:42:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 01:42:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:42:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:42:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:42:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:42:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:42:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2021-11-21 01:42:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2021-11-21 01:42:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2021-11-21 01:42:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2021-11-21 01:42:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 01:42:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 01:42:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 01:42:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 01:42:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2021-11-21 01:42:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2021-11-21 01:42:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 01:42:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 01:42:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:42:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:42:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-11-21 01:42:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-11-21 01:42:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2021-11-21 01:42:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2021-11-21 01:42:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 01:42:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 01:42:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:42:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:42:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 01:42:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 01:42:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 01:42:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 01:42:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2021-11-21 01:42:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2021-11-21 01:42:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2021-11-21 01:42:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2021-11-21 01:42:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 01:42:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 01:42:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-11-21 01:42:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-11-21 01:42:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-11-21 01:42:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-11-21 01:42:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2021-11-21 01:42:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2021-11-21 01:42:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2021-11-21 01:42:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2021-11-21 01:42:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 01:42:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 01:42:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 01:42:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 01:42:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:42:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 01:42:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 01:42:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 01:42:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 01:42:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:42:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-21 01:42:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-21 01:42:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-21 01:42:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-21 01:42:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 01:42:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 01:42:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:42:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 01:42:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 01:42:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:42:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2021-11-21 01:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2021-11-21 01:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-21 01:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-21 01:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2021-11-21 01:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2021-11-21 01:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 01:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 01:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2021-11-21 01:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2021-11-21 01:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 01:42:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 01:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 01:42:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 01:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 01:42:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 01:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 01:42:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 01:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 01:42:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-21 01:42:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:42:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 01:42:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:42:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:42:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2021-11-21 01:42:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2021-11-21 01:42:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2021-11-21 01:42:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2021-11-21 01:42:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 01:42:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 01:42:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-21 01:42:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-21 01:42:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2021-11-21 01:42:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2021-11-21 01:42:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2021-11-21 01:42:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2021-11-21 01:42:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:42:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2021-11-21 01:42:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 01:42:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 01:42:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-21 01:42:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2021-11-21 01:42:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2021-11-21 01:42:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-21 01:42:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-21 01:42:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-11-21 01:42:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-11-21 01:42:29,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:42:29,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:42:29,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:42:35,431 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:42:36,566 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:42:36,566 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:42:36,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:42:36 BoogieIcfgContainer [2021-11-21 01:42:36,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:42:36,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:42:36,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:42:36,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:42:36,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:42:23" (1/3) ... [2021-11-21 01:42:36,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a14b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:42:36, skipping insertion in model container [2021-11-21 01:42:36,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:42:28" (2/3) ... [2021-11-21 01:42:36,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a14b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:42:36, skipping insertion in model container [2021-11-21 01:42:36,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:42:36" (3/3) ... [2021-11-21 01:42:36,582 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-11-21 01:42:36,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:42:36,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-21 01:42:36,705 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:42:36,718 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:42:36,719 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-21 01:42:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 1608 states, 940 states have (on average 1.3319148936170213) internal successors, (1252), 1009 states have internal predecessors, (1252), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) [2021-11-21 01:42:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 01:42:36,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:36,829 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:42:36,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:42:36,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:36,835 INFO L85 PathProgramCache]: Analyzing trace with hash 166415764, now seen corresponding path program 1 times [2021-11-21 01:42:36,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:36,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080041823] [2021-11-21 01:42:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:42:37,741 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:37,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080041823] [2021-11-21 01:42:37,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080041823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:37,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:42:37,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:42:37,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004801777] [2021-11-21 01:42:37,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:37,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:42:37,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:37,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:42:37,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:42:37,828 INFO L87 Difference]: Start difference. First operand has 1608 states, 940 states have (on average 1.3319148936170213) internal successors, (1252), 1009 states have internal predecessors, (1252), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 01:42:43,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:42:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:42:44,003 INFO L93 Difference]: Finished difference Result 4719 states and 7181 transitions. [2021-11-21 01:42:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:42:44,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-21 01:42:44,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:42:44,056 INFO L225 Difference]: With dead ends: 4719 [2021-11-21 01:42:44,056 INFO L226 Difference]: Without dead ends: 3104 [2021-11-21 01:42:44,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:42:44,079 INFO L933 BasicCegarLoop]: 2517 mSDtfsCounter, 2199 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:42:44,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2201 Valid, 7043 Invalid, 896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-21 01:42:44,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2021-11-21 01:42:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2930. [2021-11-21 01:42:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2930 states, 1727 states have (on average 1.301679212507238) internal successors, (2248), 1826 states have internal predecessors, (2248), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2021-11-21 01:42:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 4298 transitions. [2021-11-21 01:42:44,507 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 4298 transitions. Word has length 47 [2021-11-21 01:42:44,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:42:44,515 INFO L470 AbstractCegarLoop]: Abstraction has 2930 states and 4298 transitions. [2021-11-21 01:42:44,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 01:42:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 4298 transitions. [2021-11-21 01:42:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:42:44,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:44,520 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:42:44,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:42:44,521 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:42:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1570907094, now seen corresponding path program 1 times [2021-11-21 01:42:44,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:44,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150284330] [2021-11-21 01:42:44,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:42:44,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:44,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150284330] [2021-11-21 01:42:44,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150284330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:44,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:42:44,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:42:44,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592678461] [2021-11-21 01:42:44,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:44,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:42:44,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:44,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:42:44,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:42:44,765 INFO L87 Difference]: Start difference. First operand 2930 states and 4298 transitions. 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 01:42:48,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:42:49,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:42:49,316 INFO L93 Difference]: Finished difference Result 3084 states and 4504 transitions. [2021-11-21 01:42:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:42:49,317 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-21 01:42:49,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:42:49,348 INFO L225 Difference]: With dead ends: 3084 [2021-11-21 01:42:49,348 INFO L226 Difference]: Without dead ends: 3082 [2021-11-21 01:42:49,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:42:49,354 INFO L933 BasicCegarLoop]: 2008 mSDtfsCounter, 2258 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 4100 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:42:49,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 4100 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 01:42:49,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-11-21 01:42:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3074. [2021-11-21 01:42:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 1804 states have (on average 1.2982261640798227) internal successors, (2342), 1908 states have internal predecessors, (2342), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:42:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 4492 transitions. [2021-11-21 01:42:49,617 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 4492 transitions. Word has length 52 [2021-11-21 01:42:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:42:49,618 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 4492 transitions. [2021-11-21 01:42:49,618 INFO L471 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 01:42:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 4492 transitions. [2021-11-21 01:42:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 01:42:49,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:49,628 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:42:49,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:42:49,628 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:42:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 129015526, now seen corresponding path program 1 times [2021-11-21 01:42:49,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:49,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272509624] [2021-11-21 01:42:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:49,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:42:49,869 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:49,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272509624] [2021-11-21 01:42:49,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272509624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:49,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:42:49,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:42:49,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428858600] [2021-11-21 01:42:49,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:49,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:42:49,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:49,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:42:49,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:42:49,872 INFO L87 Difference]: Start difference. First operand 3074 states and 4492 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, (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) [2021-11-21 01:42:54,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:42:54,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:42:54,808 INFO L93 Difference]: Finished difference Result 3074 states and 4492 transitions. [2021-11-21 01:42:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:42:54,809 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, (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 57 [2021-11-21 01:42:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:42:54,835 INFO L225 Difference]: With dead ends: 3074 [2021-11-21 01:42:54,836 INFO L226 Difference]: Without dead ends: 3072 [2021-11-21 01:42:54,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:42:54,843 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 2256 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:42:54,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2258 Valid, 3962 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-21 01:42:54,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2021-11-21 01:42:55,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3072. [2021-11-21 01:42:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 1803 states have (on average 1.29783693843594) internal successors, (2340), 1906 states have internal predecessors, (2340), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:42:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4490 transitions. [2021-11-21 01:42:55,213 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4490 transitions. Word has length 57 [2021-11-21 01:42:55,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:42:55,216 INFO L470 AbstractCegarLoop]: Abstraction has 3072 states and 4490 transitions. [2021-11-21 01:42:55,216 INFO L471 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, (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) [2021-11-21 01:42:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4490 transitions. [2021-11-21 01:42:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 01:42:55,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:55,221 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:42:55,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:42:55,221 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:42:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1052209422, now seen corresponding path program 1 times [2021-11-21 01:42:55,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:55,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599987654] [2021-11-21 01:42:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:55,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:42:55,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:55,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599987654] [2021-11-21 01:42:55,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599987654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:55,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:42:55,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:42:55,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514793369] [2021-11-21 01:42:55,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:55,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:42:55,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:42:55,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:42:55,514 INFO L87 Difference]: Start difference. First operand 3072 states and 4490 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, (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) [2021-11-21 01:42:59,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:00,078 INFO L93 Difference]: Finished difference Result 3080 states and 4500 transitions. [2021-11-21 01:43:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:00,079 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, (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 62 [2021-11-21 01:43:00,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:00,105 INFO L225 Difference]: With dead ends: 3080 [2021-11-21 01:43:00,105 INFO L226 Difference]: Without dead ends: 3078 [2021-11-21 01:43:00,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:00,112 INFO L933 BasicCegarLoop]: 2004 mSDtfsCounter, 2252 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2256 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:00,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2256 Valid, 4092 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-21 01:43:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2021-11-21 01:43:00,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 3070. [2021-11-21 01:43:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 1802 states have (on average 1.2974472807991122) internal successors, (2338), 1904 states have internal predecessors, (2338), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4488 transitions. [2021-11-21 01:43:00,331 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4488 transitions. Word has length 62 [2021-11-21 01:43:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:00,332 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 4488 transitions. [2021-11-21 01:43:00,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2021-11-21 01:43:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4488 transitions. [2021-11-21 01:43:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 01:43:00,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:00,334 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:00,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:43:00,334 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:00,335 INFO L85 PathProgramCache]: Analyzing trace with hash 782162404, now seen corresponding path program 1 times [2021-11-21 01:43:00,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:00,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703496623] [2021-11-21 01:43:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:00,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 01:43:00,557 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:00,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703496623] [2021-11-21 01:43:00,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703496623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:00,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:00,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:43:00,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705999196] [2021-11-21 01:43:00,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:00,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:43:00,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:00,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:43:00,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:43:00,559 INFO L87 Difference]: Start difference. First operand 3070 states and 4488 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 01:43:03,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:04,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:04,068 INFO L93 Difference]: Finished difference Result 6126 states and 8954 transitions. [2021-11-21 01:43:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:43:04,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2021-11-21 01:43:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:04,097 INFO L225 Difference]: With dead ends: 6126 [2021-11-21 01:43:04,098 INFO L226 Difference]: Without dead ends: 3072 [2021-11-21 01:43:04,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:43:04,117 INFO L933 BasicCegarLoop]: 2000 mSDtfsCounter, 2263 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:04,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2265 Valid, 2084 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 311 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:43:04,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2021-11-21 01:43:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3064. [2021-11-21 01:43:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 1797 states have (on average 1.2960489705063996) internal successors, (2329), 1898 states have internal predecessors, (2329), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4479 transitions. [2021-11-21 01:43:04,334 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4479 transitions. Word has length 72 [2021-11-21 01:43:04,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:04,334 INFO L470 AbstractCegarLoop]: Abstraction has 3064 states and 4479 transitions. [2021-11-21 01:43:04,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 01:43:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4479 transitions. [2021-11-21 01:43:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 01:43:04,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:04,336 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:04,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:43:04,337 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:04,337 INFO L85 PathProgramCache]: Analyzing trace with hash -311849514, now seen corresponding path program 1 times [2021-11-21 01:43:04,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:04,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257175411] [2021-11-21 01:43:04,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:04,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:04,515 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:04,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257175411] [2021-11-21 01:43:04,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257175411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:04,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:04,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:04,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439857624] [2021-11-21 01:43:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:04,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:04,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:04,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:04,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:04,518 INFO L87 Difference]: Start difference. First operand 3064 states and 4479 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:43:07,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:08,442 INFO L93 Difference]: Finished difference Result 3064 states and 4479 transitions. [2021-11-21 01:43:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:08,443 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, (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 67 [2021-11-21 01:43:08,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:08,468 INFO L225 Difference]: With dead ends: 3064 [2021-11-21 01:43:08,468 INFO L226 Difference]: Without dead ends: 3062 [2021-11-21 01:43:08,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:08,472 INFO L933 BasicCegarLoop]: 1972 mSDtfsCounter, 2245 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:08,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2247 Valid, 3944 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 01:43:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2021-11-21 01:43:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062. [2021-11-21 01:43:08,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 1796 states have (on average 1.2956570155902005) internal successors, (2327), 1896 states have internal predecessors, (2327), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4477 transitions. [2021-11-21 01:43:08,747 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4477 transitions. Word has length 67 [2021-11-21 01:43:08,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:08,748 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 4477 transitions. [2021-11-21 01:43:08,749 INFO L471 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:43:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4477 transitions. [2021-11-21 01:43:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:43:08,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:08,751 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:08,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:43:08,751 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:08,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash -783899061, now seen corresponding path program 1 times [2021-11-21 01:43:08,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:08,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76051244] [2021-11-21 01:43:08,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:08,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 01:43:08,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:08,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76051244] [2021-11-21 01:43:08,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76051244] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:43:08,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201774814] [2021-11-21 01:43:08,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:08,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:43:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:43:08,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:43:08,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:43:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:09,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:43:09,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:43:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 01:43:10,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:43:10,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201774814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:10,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:43:10,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-21 01:43:10,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359352137] [2021-11-21 01:43:10,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:10,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:43:10,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:43:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:43:10,092 INFO L87 Difference]: Start difference. First operand 3062 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:43:13,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:13,456 INFO L93 Difference]: Finished difference Result 6110 states and 8932 transitions. [2021-11-21 01:43:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:43:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2021-11-21 01:43:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:13,484 INFO L225 Difference]: With dead ends: 6110 [2021-11-21 01:43:13,484 INFO L226 Difference]: Without dead ends: 3064 [2021-11-21 01:43:13,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:43:13,505 INFO L933 BasicCegarLoop]: 1993 mSDtfsCounter, 2248 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:13,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2250 Valid, 2077 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 311 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 01:43:13,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2021-11-21 01:43:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 3056. [2021-11-21 01:43:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3056 states, 1791 states have (on average 1.294249022892239) internal successors, (2318), 1890 states have internal predecessors, (2318), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4468 transitions. [2021-11-21 01:43:13,732 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 4468 transitions. Word has length 77 [2021-11-21 01:43:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:13,732 INFO L470 AbstractCegarLoop]: Abstraction has 3056 states and 4468 transitions. [2021-11-21 01:43:13,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:43:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 4468 transitions. [2021-11-21 01:43:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 01:43:13,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:13,734 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:13,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:43:13,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-21 01:43:13,947 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:13,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1091267574, now seen corresponding path program 1 times [2021-11-21 01:43:13,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:13,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619030125] [2021-11-21 01:43:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:13,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:14,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:14,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619030125] [2021-11-21 01:43:14,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619030125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:14,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:14,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:14,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788196538] [2021-11-21 01:43:14,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:14,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:14,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:14,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:14,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:14,124 INFO L87 Difference]: Start difference. First operand 3056 states and 4468 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 01:43:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:17,814 INFO L93 Difference]: Finished difference Result 3056 states and 4468 transitions. [2021-11-21 01:43:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:17,815 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, (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 72 [2021-11-21 01:43:17,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:17,838 INFO L225 Difference]: With dead ends: 3056 [2021-11-21 01:43:17,838 INFO L226 Difference]: Without dead ends: 3054 [2021-11-21 01:43:17,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:17,841 INFO L933 BasicCegarLoop]: 1965 mSDtfsCounter, 2237 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:17,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2239 Valid, 3930 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 01:43:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2021-11-21 01:43:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3054. [2021-11-21 01:43:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3054 states, 1790 states have (on average 1.293854748603352) internal successors, (2316), 1888 states have internal predecessors, (2316), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 4466 transitions. [2021-11-21 01:43:18,047 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 4466 transitions. Word has length 72 [2021-11-21 01:43:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:18,047 INFO L470 AbstractCegarLoop]: Abstraction has 3054 states and 4466 transitions. [2021-11-21 01:43:18,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 01:43:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 4466 transitions. [2021-11-21 01:43:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:43:18,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:18,049 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:18,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:43:18,050 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:18,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:18,050 INFO L85 PathProgramCache]: Analyzing trace with hash 738584641, now seen corresponding path program 1 times [2021-11-21 01:43:18,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:18,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303876759] [2021-11-21 01:43:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:18,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:18,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:18,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303876759] [2021-11-21 01:43:18,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303876759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:18,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:18,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:18,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733805466] [2021-11-21 01:43:18,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:18,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:18,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:18,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:18,193 INFO L87 Difference]: Start difference. First operand 3054 states and 4466 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:43:21,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:22,452 INFO L93 Difference]: Finished difference Result 3054 states and 4466 transitions. [2021-11-21 01:43:22,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:22,453 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, (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 77 [2021-11-21 01:43:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:22,472 INFO L225 Difference]: With dead ends: 3054 [2021-11-21 01:43:22,472 INFO L226 Difference]: Without dead ends: 3052 [2021-11-21 01:43:22,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:22,476 INFO L933 BasicCegarLoop]: 1963 mSDtfsCounter, 2234 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:22,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 3926 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:43:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2021-11-21 01:43:22,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3052. [2021-11-21 01:43:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 1789 states have (on average 1.2934600335382895) internal successors, (2314), 1886 states have internal predecessors, (2314), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4464 transitions. [2021-11-21 01:43:22,687 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4464 transitions. Word has length 77 [2021-11-21 01:43:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:22,688 INFO L470 AbstractCegarLoop]: Abstraction has 3052 states and 4464 transitions. [2021-11-21 01:43:22,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:43:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4464 transitions. [2021-11-21 01:43:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 01:43:22,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:22,690 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:22,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:43:22,690 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:22,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash -100172281, now seen corresponding path program 1 times [2021-11-21 01:43:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:22,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824257920] [2021-11-21 01:43:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:22,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:22,886 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:22,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824257920] [2021-11-21 01:43:22,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824257920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:22,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:22,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:22,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391519535] [2021-11-21 01:43:22,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:22,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:22,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:22,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:22,889 INFO L87 Difference]: Start difference. First operand 3052 states and 4464 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:43:27,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:28,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:28,081 INFO L93 Difference]: Finished difference Result 3052 states and 4464 transitions. [2021-11-21 01:43:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:28,081 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, (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 82 [2021-11-21 01:43:28,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:28,100 INFO L225 Difference]: With dead ends: 3052 [2021-11-21 01:43:28,100 INFO L226 Difference]: Without dead ends: 3050 [2021-11-21 01:43:28,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:28,103 INFO L933 BasicCegarLoop]: 1961 mSDtfsCounter, 2235 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 3918 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:28,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2237 Valid, 3918 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-11-21 01:43:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2021-11-21 01:43:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3050. [2021-11-21 01:43:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1788 states have (on average 1.2930648769574944) internal successors, (2312), 1884 states have internal predecessors, (2312), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4462 transitions. [2021-11-21 01:43:28,316 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4462 transitions. Word has length 82 [2021-11-21 01:43:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:28,317 INFO L470 AbstractCegarLoop]: Abstraction has 3050 states and 4462 transitions. [2021-11-21 01:43:28,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:43:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4462 transitions. [2021-11-21 01:43:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 01:43:28,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:28,319 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:28,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:43:28,319 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:28,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1776146742, now seen corresponding path program 1 times [2021-11-21 01:43:28,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:28,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135592807] [2021-11-21 01:43:28,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:28,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:28,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:28,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135592807] [2021-11-21 01:43:28,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135592807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:28,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:28,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:28,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443707132] [2021-11-21 01:43:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:28,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:28,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:28,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:28,476 INFO L87 Difference]: Start difference. First operand 3050 states and 4462 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:43:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:32,351 INFO L93 Difference]: Finished difference Result 3050 states and 4462 transitions. [2021-11-21 01:43:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:32,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 84 [2021-11-21 01:43:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:32,370 INFO L225 Difference]: With dead ends: 3050 [2021-11-21 01:43:32,370 INFO L226 Difference]: Without dead ends: 3048 [2021-11-21 01:43:32,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:32,373 INFO L933 BasicCegarLoop]: 1959 mSDtfsCounter, 2227 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 3918 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:32,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2229 Valid, 3918 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 01:43:32,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2021-11-21 01:43:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 3048. [2021-11-21 01:43:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 1787 states have (on average 1.2926692781197537) internal successors, (2310), 1882 states have internal predecessors, (2310), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4460 transitions. [2021-11-21 01:43:32,637 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4460 transitions. Word has length 84 [2021-11-21 01:43:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:32,639 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 4460 transitions. [2021-11-21 01:43:32,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:43:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4460 transitions. [2021-11-21 01:43:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 01:43:32,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:32,641 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:32,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:43:32,642 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:32,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1334270124, now seen corresponding path program 1 times [2021-11-21 01:43:32,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:32,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200425735] [2021-11-21 01:43:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:32,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:32,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:32,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200425735] [2021-11-21 01:43:32,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200425735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:32,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:32,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:32,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598532783] [2021-11-21 01:43:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:32,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:32,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:32,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:32,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:32,788 INFO L87 Difference]: Start difference. First operand 3048 states and 4460 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 01:43:36,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:37,055 INFO L93 Difference]: Finished difference Result 3056 states and 4470 transitions. [2021-11-21 01:43:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:37,056 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, (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 89 [2021-11-21 01:43:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:37,074 INFO L225 Difference]: With dead ends: 3056 [2021-11-21 01:43:37,074 INFO L226 Difference]: Without dead ends: 3054 [2021-11-21 01:43:37,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:37,078 INFO L933 BasicCegarLoop]: 1982 mSDtfsCounter, 2225 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 4048 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:37,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2229 Valid, 4048 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:43:37,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2021-11-21 01:43:37,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3046. [2021-11-21 01:43:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 1786 states have (on average 1.292273236282195) internal successors, (2308), 1880 states have internal predecessors, (2308), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 4458 transitions. [2021-11-21 01:43:37,316 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 4458 transitions. Word has length 89 [2021-11-21 01:43:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:37,317 INFO L470 AbstractCegarLoop]: Abstraction has 3046 states and 4458 transitions. [2021-11-21 01:43:37,317 INFO L471 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 01:43:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 4458 transitions. [2021-11-21 01:43:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 01:43:37,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:37,319 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:37,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 01:43:37,320 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:37,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1285133149, now seen corresponding path program 1 times [2021-11-21 01:43:37,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:37,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818033911] [2021-11-21 01:43:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:37,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:37,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:37,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818033911] [2021-11-21 01:43:37,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818033911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:37,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:37,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:37,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459227242] [2021-11-21 01:43:37,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:37,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:37,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:37,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:37,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:37,495 INFO L87 Difference]: Start difference. First operand 3046 states and 4458 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:43:42,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:42,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:42,623 INFO L93 Difference]: Finished difference Result 3046 states and 4458 transitions. [2021-11-21 01:43:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:42,624 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, (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 94 [2021-11-21 01:43:42,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:42,636 INFO L225 Difference]: With dead ends: 3046 [2021-11-21 01:43:42,636 INFO L226 Difference]: Without dead ends: 3044 [2021-11-21 01:43:42,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:42,640 INFO L933 BasicCegarLoop]: 1955 mSDtfsCounter, 2223 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:42,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2225 Valid, 3910 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-21 01:43:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2021-11-21 01:43:42,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3044. [2021-11-21 01:43:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 1785 states have (on average 1.2918767507002802) internal successors, (2306), 1878 states have internal predecessors, (2306), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4456 transitions. [2021-11-21 01:43:42,882 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4456 transitions. Word has length 94 [2021-11-21 01:43:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:42,882 INFO L470 AbstractCegarLoop]: Abstraction has 3044 states and 4456 transitions. [2021-11-21 01:43:42,883 INFO L471 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:43:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4456 transitions. [2021-11-21 01:43:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 01:43:42,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:42,885 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:42,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 01:43:42,886 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:42,886 INFO L85 PathProgramCache]: Analyzing trace with hash -345058507, now seen corresponding path program 1 times [2021-11-21 01:43:42,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:42,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68224676] [2021-11-21 01:43:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:42,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:43,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:43,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68224676] [2021-11-21 01:43:43,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68224676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:43,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:43,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:43,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921283777] [2021-11-21 01:43:43,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:43,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:43,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:43,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:43,027 INFO L87 Difference]: Start difference. First operand 3044 states and 4456 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:43:46,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:47,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:47,395 INFO L93 Difference]: Finished difference Result 3052 states and 4466 transitions. [2021-11-21 01:43:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:43:47,395 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, (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 99 [2021-11-21 01:43:47,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:47,404 INFO L225 Difference]: With dead ends: 3052 [2021-11-21 01:43:47,404 INFO L226 Difference]: Without dead ends: 3050 [2021-11-21 01:43:47,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:47,407 INFO L933 BasicCegarLoop]: 1978 mSDtfsCounter, 2219 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:47,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2223 Valid, 4040 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:43:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2021-11-21 01:43:47,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3042. [2021-11-21 01:43:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 1784 states have (on average 1.2914798206278026) internal successors, (2304), 1876 states have internal predecessors, (2304), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2021-11-21 01:43:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4454 transitions. [2021-11-21 01:43:47,650 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4454 transitions. Word has length 99 [2021-11-21 01:43:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:47,650 INFO L470 AbstractCegarLoop]: Abstraction has 3042 states and 4454 transitions. [2021-11-21 01:43:47,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:43:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4454 transitions. [2021-11-21 01:43:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-21 01:43:47,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:47,653 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:47,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 01:43:47,653 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:47,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash 481526363, now seen corresponding path program 1 times [2021-11-21 01:43:47,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:47,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918257568] [2021-11-21 01:43:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:47,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-21 01:43:47,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:47,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918257568] [2021-11-21 01:43:47,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918257568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:47,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:47,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:43:47,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974655543] [2021-11-21 01:43:47,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:47,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:43:47,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:47,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:43:47,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:43:47,843 INFO L87 Difference]: Start difference. First operand 3042 states and 4454 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:43:51,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:53,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:54,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:43:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:43:55,329 INFO L93 Difference]: Finished difference Result 3096 states and 4493 transitions. [2021-11-21 01:43:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:43:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2021-11-21 01:43:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:43:55,345 INFO L225 Difference]: With dead ends: 3096 [2021-11-21 01:43:55,345 INFO L226 Difference]: Without dead ends: 3094 [2021-11-21 01:43:55,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:43:55,348 INFO L933 BasicCegarLoop]: 1953 mSDtfsCounter, 1169 mSDsluCounter, 5559 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 6810 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:43:55,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 6810 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-11-21 01:43:55,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2021-11-21 01:43:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3094. [2021-11-21 01:43:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3094 states, 1810 states have (on average 1.2861878453038673) internal successors, (2328), 1901 states have internal predecessors, (2328), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2021-11-21 01:43:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 4490 transitions. [2021-11-21 01:43:55,677 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 4490 transitions. Word has length 131 [2021-11-21 01:43:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:43:55,677 INFO L470 AbstractCegarLoop]: Abstraction has 3094 states and 4490 transitions. [2021-11-21 01:43:55,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:43:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 4490 transitions. [2021-11-21 01:43:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 01:43:55,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:43:55,680 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:43:55,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 01:43:55,681 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:43:55,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:43:55,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1112838759, now seen corresponding path program 1 times [2021-11-21 01:43:55,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:43:55,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800287553] [2021-11-21 01:43:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:43:55,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:43:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:43:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:43:55,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:43:55,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800287553] [2021-11-21 01:43:55,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800287553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:43:55,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:43:55,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:43:55,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476298513] [2021-11-21 01:43:55,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:43:55,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:43:55,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:43:55,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:43:55,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:43:55,843 INFO L87 Difference]: Start difference. First operand 3094 states and 4490 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:44:00,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:44:01,181 INFO L93 Difference]: Finished difference Result 3094 states and 4490 transitions. [2021-11-21 01:44:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:44:01,182 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, (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 104 [2021-11-21 01:44:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:44:01,198 INFO L225 Difference]: With dead ends: 3094 [2021-11-21 01:44:01,198 INFO L226 Difference]: Without dead ends: 3092 [2021-11-21 01:44:01,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:44:01,202 INFO L933 BasicCegarLoop]: 1949 mSDtfsCounter, 2215 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:44:01,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2217 Valid, 3898 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-21 01:44:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2021-11-21 01:44:01,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 3092. [2021-11-21 01:44:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 1809 states have (on average 1.2857932559425096) internal successors, (2326), 1899 states have internal predecessors, (2326), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2021-11-21 01:44:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4488 transitions. [2021-11-21 01:44:01,455 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4488 transitions. Word has length 104 [2021-11-21 01:44:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:44:01,457 INFO L470 AbstractCegarLoop]: Abstraction has 3092 states and 4488 transitions. [2021-11-21 01:44:01,457 INFO L471 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:44:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4488 transitions. [2021-11-21 01:44:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 01:44:01,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:01,460 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:01,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 01:44:01,461 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:44:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1340395561, now seen corresponding path program 1 times [2021-11-21 01:44:01,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:01,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196020587] [2021-11-21 01:44:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:01,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-21 01:44:02,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:44:02,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196020587] [2021-11-21 01:44:02,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196020587] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:44:02,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739958580] [2021-11-21 01:44:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:02,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:44:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:44:02,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:44:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:44:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:03,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 3103 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 01:44:03,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:44:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-21 01:44:03,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:44:03,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739958580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:44:03,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:44:03,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2021-11-21 01:44:03,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17141246] [2021-11-21 01:44:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:03,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:44:03,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:44:03,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:44:03,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:44:03,547 INFO L87 Difference]: Start difference. First operand 3092 states and 4488 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-21 01:44:15,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:17,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:19,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:20,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:21,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:24,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:25,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:27,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:44:31,440 INFO L93 Difference]: Finished difference Result 6974 states and 10264 transitions. [2021-11-21 01:44:31,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:44:31,441 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2021-11-21 01:44:31,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:44:31,461 INFO L225 Difference]: With dead ends: 6974 [2021-11-21 01:44:31,462 INFO L226 Difference]: Without dead ends: 3896 [2021-11-21 01:44:31,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-11-21 01:44:31,483 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 943 mSDsluCounter, 27238 mSDsCounter, 0 mSdLazyCounter, 4417 mSolverCounterSat, 532 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 26267 SdHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 4417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:44:31,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [945 Valid, 26267 Invalid, 4951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [532 Valid, 4417 Invalid, 2 Unknown, 0 Unchecked, 27.3s Time] [2021-11-21 01:44:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2021-11-21 01:44:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3120. [2021-11-21 01:44:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 1827 states have (on average 1.2829775588396277) internal successors, (2344), 1917 states have internal predecessors, (2344), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2021-11-21 01:44:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 4526 transitions. [2021-11-21 01:44:31,817 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 4526 transitions. Word has length 120 [2021-11-21 01:44:31,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:44:31,818 INFO L470 AbstractCegarLoop]: Abstraction has 3120 states and 4526 transitions. [2021-11-21 01:44:31,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-21 01:44:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 4526 transitions. [2021-11-21 01:44:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 01:44:31,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:31,821 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:31,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:44:32,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-21 01:44:32,037 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:44:32,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash -10400111, now seen corresponding path program 1 times [2021-11-21 01:44:32,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:32,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395235498] [2021-11-21 01:44:32,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:32,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:44:32,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:44:32,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395235498] [2021-11-21 01:44:32,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395235498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:44:32,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:44:32,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:44:32,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854601596] [2021-11-21 01:44:32,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:32,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:44:32,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:44:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:44:32,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:44:32,179 INFO L87 Difference]: Start difference. First operand 3120 states and 4526 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:44:36,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:38,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:44:38,782 INFO L93 Difference]: Finished difference Result 3120 states and 4526 transitions. [2021-11-21 01:44:38,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:44:38,782 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, (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 109 [2021-11-21 01:44:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:44:38,796 INFO L225 Difference]: With dead ends: 3120 [2021-11-21 01:44:38,796 INFO L226 Difference]: Without dead ends: 3118 [2021-11-21 01:44:38,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:44:38,799 INFO L933 BasicCegarLoop]: 1947 mSDtfsCounter, 2212 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 3894 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:44:38,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2214 Valid, 3894 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-11-21 01:44:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2021-11-21 01:44:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 3118. [2021-11-21 01:44:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 1826 states have (on average 1.2825848849945236) internal successors, (2342), 1915 states have internal predecessors, (2342), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2021-11-21 01:44:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4524 transitions. [2021-11-21 01:44:39,084 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4524 transitions. Word has length 109 [2021-11-21 01:44:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:44:39,084 INFO L470 AbstractCegarLoop]: Abstraction has 3118 states and 4524 transitions. [2021-11-21 01:44:39,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:44:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4524 transitions. [2021-11-21 01:44:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 01:44:39,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:39,088 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:39,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 01:44:39,088 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:44:39,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:39,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2069424681, now seen corresponding path program 1 times [2021-11-21 01:44:39,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:39,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130596595] [2021-11-21 01:44:39,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:39,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-21 01:44:39,588 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:44:39,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130596595] [2021-11-21 01:44:39,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130596595] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:44:39,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164232260] [2021-11-21 01:44:39,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:39,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:44:39,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:44:39,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:44:39,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:44:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:40,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 3109 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 01:44:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:44:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-21 01:44:40,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:44:40,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164232260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:44:40,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:44:40,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2021-11-21 01:44:40,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158046402] [2021-11-21 01:44:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:40,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:44:40,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:44:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:44:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-11-21 01:44:40,939 INFO L87 Difference]: Start difference. First operand 3118 states and 4524 transitions. Second operand has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-21 01:44:55,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:56,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:58,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:00,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:06,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:06,708 INFO L93 Difference]: Finished difference Result 7055 states and 10379 transitions. [2021-11-21 01:45:06,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 01:45:06,709 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 122 [2021-11-21 01:45:06,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:06,726 INFO L225 Difference]: With dead ends: 7055 [2021-11-21 01:45:06,727 INFO L226 Difference]: Without dead ends: 3951 [2021-11-21 01:45:06,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2021-11-21 01:45:06,749 INFO L933 BasicCegarLoop]: 2511 mSDtfsCounter, 953 mSDsluCounter, 30171 mSDsCounter, 0 mSdLazyCounter, 4842 mSolverCounterSat, 537 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 28847 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 4842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:06,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 28847 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 4842 Invalid, 1 Unknown, 0 Unchecked, 25.2s Time] [2021-11-21 01:45:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2021-11-21 01:45:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3135. [2021-11-21 01:45:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 1837 states have (on average 1.280892759934676) internal successors, (2353), 1927 states have internal predecessors, (2353), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4549 transitions. [2021-11-21 01:45:07,149 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4549 transitions. Word has length 122 [2021-11-21 01:45:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:07,150 INFO L470 AbstractCegarLoop]: Abstraction has 3135 states and 4549 transitions. [2021-11-21 01:45:07,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-21 01:45:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4549 transitions. [2021-11-21 01:45:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 01:45:07,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:07,152 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:07,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:45:07,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:07,370 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:07,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:07,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1780966744, now seen corresponding path program 1 times [2021-11-21 01:45:07,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:07,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021767148] [2021-11-21 01:45:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:07,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:45:07,513 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:07,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021767148] [2021-11-21 01:45:07,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021767148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:07,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:07,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:45:07,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561773885] [2021-11-21 01:45:07,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:07,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:45:07,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:07,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:45:07,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:45:07,517 INFO L87 Difference]: Start difference. First operand 3135 states and 4549 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:45:11,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:11,070 INFO L93 Difference]: Finished difference Result 3135 states and 4549 transitions. [2021-11-21 01:45:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:45:11,070 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, (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 114 [2021-11-21 01:45:11,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:11,082 INFO L225 Difference]: With dead ends: 3135 [2021-11-21 01:45:11,082 INFO L226 Difference]: Without dead ends: 3133 [2021-11-21 01:45:11,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:11,085 INFO L933 BasicCegarLoop]: 1945 mSDtfsCounter, 2209 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 3890 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:11,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2211 Valid, 3890 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:45:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2021-11-21 01:45:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3133. [2021-11-21 01:45:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 1836 states have (on average 1.2805010893246187) internal successors, (2351), 1925 states have internal predecessors, (2351), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4547 transitions. [2021-11-21 01:45:11,476 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4547 transitions. Word has length 114 [2021-11-21 01:45:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:11,476 INFO L470 AbstractCegarLoop]: Abstraction has 3133 states and 4547 transitions. [2021-11-21 01:45:11,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:45:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4547 transitions. [2021-11-21 01:45:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 01:45:11,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:11,479 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:11,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 01:45:11,480 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:11,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:11,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1467882490, now seen corresponding path program 1 times [2021-11-21 01:45:11,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:11,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393148628] [2021-11-21 01:45:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:11,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:45:11,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:11,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393148628] [2021-11-21 01:45:11,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393148628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:11,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:11,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:45:11,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578985076] [2021-11-21 01:45:11,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:11,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:45:11,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:11,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:45:11,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:45:11,635 INFO L87 Difference]: Start difference. First operand 3133 states and 4547 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 01:45:14,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:15,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:15,362 INFO L93 Difference]: Finished difference Result 3133 states and 4547 transitions. [2021-11-21 01:45:15,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:45:15,362 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, (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 119 [2021-11-21 01:45:15,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:15,377 INFO L225 Difference]: With dead ends: 3133 [2021-11-21 01:45:15,377 INFO L226 Difference]: Without dead ends: 3131 [2021-11-21 01:45:15,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:15,380 INFO L933 BasicCegarLoop]: 1943 mSDtfsCounter, 2206 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:15,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2208 Valid, 3886 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 01:45:15,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2021-11-21 01:45:15,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 3131. [2021-11-21 01:45:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3131 states, 1835 states have (on average 1.280108991825613) internal successors, (2349), 1923 states have internal predecessors, (2349), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 3131 states and 4545 transitions. [2021-11-21 01:45:15,757 INFO L78 Accepts]: Start accepts. Automaton has 3131 states and 4545 transitions. Word has length 119 [2021-11-21 01:45:15,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:15,758 INFO L470 AbstractCegarLoop]: Abstraction has 3131 states and 4545 transitions. [2021-11-21 01:45:15,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 01:45:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 4545 transitions. [2021-11-21 01:45:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 01:45:15,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:15,761 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:15,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 01:45:15,762 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:15,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:15,762 INFO L85 PathProgramCache]: Analyzing trace with hash 986209723, now seen corresponding path program 1 times [2021-11-21 01:45:15,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:15,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999945938] [2021-11-21 01:45:15,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:15,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:45:15,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:15,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999945938] [2021-11-21 01:45:15,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999945938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:15,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:15,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:45:15,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111028633] [2021-11-21 01:45:15,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:15,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:45:15,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:15,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:45:15,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:45:15,910 INFO L87 Difference]: Start difference. First operand 3131 states and 4545 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, (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) [2021-11-21 01:45:19,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:20,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:20,268 INFO L93 Difference]: Finished difference Result 3131 states and 4545 transitions. [2021-11-21 01:45:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:45:20,268 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, (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 124 [2021-11-21 01:45:20,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:20,279 INFO L225 Difference]: With dead ends: 3131 [2021-11-21 01:45:20,280 INFO L226 Difference]: Without dead ends: 3129 [2021-11-21 01:45:20,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:20,283 INFO L933 BasicCegarLoop]: 1941 mSDtfsCounter, 2203 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:20,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 3882 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:45:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2021-11-21 01:45:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3129. [2021-11-21 01:45:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 1834 states have (on average 1.2797164667393675) internal successors, (2347), 1921 states have internal predecessors, (2347), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4543 transitions. [2021-11-21 01:45:20,669 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4543 transitions. Word has length 124 [2021-11-21 01:45:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:20,669 INFO L470 AbstractCegarLoop]: Abstraction has 3129 states and 4543 transitions. [2021-11-21 01:45:20,670 INFO L471 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, (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) [2021-11-21 01:45:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4543 transitions. [2021-11-21 01:45:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 01:45:20,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:20,673 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:20,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 01:45:20,673 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:20,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1315404283, now seen corresponding path program 1 times [2021-11-21 01:45:20,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:20,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209282892] [2021-11-21 01:45:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:20,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:45:20,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:20,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209282892] [2021-11-21 01:45:20,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209282892] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:20,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:20,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:45:20,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578400500] [2021-11-21 01:45:20,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:20,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:45:20,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:20,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:45:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:45:20,812 INFO L87 Difference]: Start difference. First operand 3129 states and 4543 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, (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) [2021-11-21 01:45:24,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:26,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:27,077 INFO L93 Difference]: Finished difference Result 3129 states and 4543 transitions. [2021-11-21 01:45:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:45:27,077 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, (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 129 [2021-11-21 01:45:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:27,086 INFO L225 Difference]: With dead ends: 3129 [2021-11-21 01:45:27,086 INFO L226 Difference]: Without dead ends: 3127 [2021-11-21 01:45:27,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:27,089 INFO L933 BasicCegarLoop]: 1939 mSDtfsCounter, 2200 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 3878 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:27,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2202 Valid, 3878 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-21 01:45:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2021-11-21 01:45:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2021-11-21 01:45:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 1833 states have (on average 1.2793235133660665) internal successors, (2345), 1919 states have internal predecessors, (2345), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4541 transitions. [2021-11-21 01:45:27,489 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4541 transitions. Word has length 129 [2021-11-21 01:45:27,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:27,490 INFO L470 AbstractCegarLoop]: Abstraction has 3127 states and 4541 transitions. [2021-11-21 01:45:27,490 INFO L471 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, (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) [2021-11-21 01:45:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4541 transitions. [2021-11-21 01:45:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 01:45:27,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:27,493 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:27,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-21 01:45:27,494 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:27,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1614327070, now seen corresponding path program 1 times [2021-11-21 01:45:27,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:27,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612383508] [2021-11-21 01:45:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:27,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:45:27,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:27,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612383508] [2021-11-21 01:45:27,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612383508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:27,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:27,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:45:27,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713530006] [2021-11-21 01:45:27,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:27,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:45:27,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:27,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:45:27,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:45:27,634 INFO L87 Difference]: Start difference. First operand 3127 states and 4541 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, (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) [2021-11-21 01:45:31,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:31,924 INFO L93 Difference]: Finished difference Result 3127 states and 4541 transitions. [2021-11-21 01:45:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:45:31,925 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, (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 134 [2021-11-21 01:45:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:31,933 INFO L225 Difference]: With dead ends: 3127 [2021-11-21 01:45:31,933 INFO L226 Difference]: Without dead ends: 3125 [2021-11-21 01:45:31,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:31,935 INFO L933 BasicCegarLoop]: 1937 mSDtfsCounter, 2197 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 3874 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:31,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2199 Valid, 3874 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 01:45:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2021-11-21 01:45:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3125. [2021-11-21 01:45:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 1832 states have (on average 1.2789301310043668) internal successors, (2343), 1917 states have internal predecessors, (2343), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2021-11-21 01:45:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 4539 transitions. [2021-11-21 01:45:32,362 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 4539 transitions. Word has length 134 [2021-11-21 01:45:32,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:32,363 INFO L470 AbstractCegarLoop]: Abstraction has 3125 states and 4539 transitions. [2021-11-21 01:45:32,363 INFO L471 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, (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) [2021-11-21 01:45:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 4539 transitions. [2021-11-21 01:45:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-21 01:45:32,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:32,367 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:32,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-21 01:45:32,367 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:45:32,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1779978733, now seen corresponding path program 1 times [2021-11-21 01:45:32,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:32,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639536704] [2021-11-21 01:45:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:32,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 01:45:32,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:32,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639536704] [2021-11-21 01:45:32,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639536704] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:45:32,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163849862] [2021-11-21 01:45:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:32,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:32,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:32,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:45:32,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718e1707-a36f-4234-b801-bbef6178158d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:45:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:33,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 3325 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 01:45:33,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:45:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-21 01:45:33,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:45:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 01:45:34,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163849862] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:45:34,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [511132681] [2021-11-21 01:45:34,525 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2021-11-21 01:45:34,526 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:45:34,533 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:45:34,539 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:45:34,539 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs