./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--misc--mic--host--mic_host.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:20:17,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:20:17,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:20:17,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:20:17,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:20:17,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:20:17,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:20:17,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:20:17,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:20:17,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:20:17,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:20:17,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:20:17,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:20:17,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:20:17,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:20:17,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:20:17,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:20:17,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:20:17,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:20:17,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:20:17,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:20:17,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:20:17,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:20:17,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:20:17,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:20:17,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:20:17,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:20:17,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:20:17,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:20:17,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:20:17,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:20:17,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:20:17,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:20:17,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:20:17,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:20:17,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:20:17,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:20:17,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:20:17,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:20:17,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:20:17,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:20:17,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:20:17,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:20:17,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:20:17,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:20:17,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:20:17,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:20:17,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:20:17,323 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:20:17,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:20:17,323 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:20:17,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:20:17,324 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:20:17,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:20:17,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:20:17,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:20:17,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:20:17,325 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:20:17,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:20:17,325 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:20:17,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:20:17,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:20:17,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:20:17,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:20:17,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:20:17,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:20:17,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:20:17,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:20:17,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:20:17,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:20:17,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:20:17,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:20:17,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:20:17,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:20:17,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:20:17,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:20:17,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:20:17,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:20:17,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:20:17,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:20:17,331 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 [2021-11-25 20:20:17,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:20:17,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:20:17,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:20:17,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:20:17,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:20:17,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-25 20:20:17,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/data/22e6842ff/53589014edc24f5db077f79097ee165a/FLAG27fd529e9 [2021-11-25 20:20:18,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:20:18,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-25 20:20:18,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/data/22e6842ff/53589014edc24f5db077f79097ee165a/FLAG27fd529e9 [2021-11-25 20:20:18,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/data/22e6842ff/53589014edc24f5db077f79097ee165a [2021-11-25 20:20:18,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:20:18,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:20:18,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:20:18,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:20:18,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:20:18,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:20:18" (1/1) ... [2021-11-25 20:20:18,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6391f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:18, skipping insertion in model container [2021-11-25 20:20:18,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:20:18" (1/1) ... [2021-11-25 20:20:18,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:20:19,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:20:27,164 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-11-25 20:20:27,167 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-11-25 20:20:27,167 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-11-25 20:20:27,168 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-11-25 20:20:27,169 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-11-25 20:20:27,169 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-11-25 20:20:27,170 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-11-25 20:20:27,170 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-11-25 20:20:27,171 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-11-25 20:20:27,171 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-11-25 20:20:27,172 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-11-25 20:20:27,172 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-11-25 20:20:27,173 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-11-25 20:20:27,173 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-11-25 20:20:27,174 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-11-25 20:20:27,175 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-11-25 20:20:27,175 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-11-25 20:20:27,176 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-11-25 20:20:27,176 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-11-25 20:20:27,177 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-11-25 20:20:27,177 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-11-25 20:20:27,178 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-11-25 20:20:27,178 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-11-25 20:20:27,179 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-11-25 20:20:27,179 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-11-25 20:20:27,180 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-11-25 20:20:27,181 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-11-25 20:20:27,181 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-11-25 20:20:27,182 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-11-25 20:20:27,182 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-11-25 20:20:27,183 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-11-25 20:20:27,183 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-11-25 20:20:27,184 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-11-25 20:20:27,184 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-11-25 20:20:27,185 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-11-25 20:20:27,185 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-11-25 20:20:27,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-11-25 20:20:27,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-11-25 20:20:27,187 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-11-25 20:20:27,187 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-11-25 20:20:27,187 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-11-25 20:20:27,188 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-11-25 20:20:27,188 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-11-25 20:20:27,189 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-11-25 20:20:27,189 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-11-25 20:20:27,190 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-11-25 20:20:27,190 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-11-25 20:20:27,191 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-11-25 20:20:27,191 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-11-25 20:20:27,191 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_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-11-25 20:20:27,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-11-25 20:20:27,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-11-25 20:20:27,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-11-25 20:20:27,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-11-25 20:20:27,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-11-25 20:20:27,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-11-25 20:20:27,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-11-25 20:20:27,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-11-25 20:20:27,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-11-25 20:20:27,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-11-25 20:20:27,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-11-25 20:20:27,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-11-25 20:20:27,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-11-25 20:20:27,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-11-25 20:20:27,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-11-25 20:20:27,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-11-25 20:20:27,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-11-25 20:20:27,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-11-25 20:20:27,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-11-25 20:20:27,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-11-25 20:20:27,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-11-25 20:20:27,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-11-25 20:20:27,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-11-25 20:20:27,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-11-25 20:20:27,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-11-25 20:20:27,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-11-25 20:20:27,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-11-25 20:20:27,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-11-25 20:20:27,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-11-25 20:20:27,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-11-25 20:20:27,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-11-25 20:20:27,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-11-25 20:20:27,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-11-25 20:20:27,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-11-25 20:20:27,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-11-25 20:20:27,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-11-25 20:20:27,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-11-25 20:20:27,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-11-25 20:20:27,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:20:27,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:20:28,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-11-25 20:20:28,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-11-25 20:20:28,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-11-25 20:20:28,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-11-25 20:20:28,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-11-25 20:20:28,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-11-25 20:20:28,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-11-25 20:20:28,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-11-25 20:20:28,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-11-25 20:20:28,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-11-25 20:20:28,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-11-25 20:20:28,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-11-25 20:20:28,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-11-25 20:20:28,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-11-25 20:20:28,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-11-25 20:20:28,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-11-25 20:20:28,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-11-25 20:20:28,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-11-25 20:20:28,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-11-25 20:20:28,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-11-25 20:20:28,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-11-25 20:20:28,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-11-25 20:20:28,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-11-25 20:20:28,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-11-25 20:20:28,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-11-25 20:20:28,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-11-25 20:20:28,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-11-25 20:20:28,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-11-25 20:20:28,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-11-25 20:20:28,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-11-25 20:20:28,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-11-25 20:20:28,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-11-25 20:20:28,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-11-25 20:20:28,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-11-25 20:20:28,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-11-25 20:20:28,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-11-25 20:20:28,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-11-25 20:20:28,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-11-25 20:20:28,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-11-25 20:20:28,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-11-25 20:20:28,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-11-25 20:20:28,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-11-25 20:20:28,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-11-25 20:20:28,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-11-25 20:20:28,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-11-25 20:20:28,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-11-25 20:20:28,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-11-25 20:20:28,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-11-25 20:20:28,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-11-25 20:20:28,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-11-25 20:20:28,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-11-25 20:20:28,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-11-25 20:20:28,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-11-25 20:20:28,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-11-25 20:20:28,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-11-25 20:20:28,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-11-25 20:20:28,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-11-25 20:20:28,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-11-25 20:20:28,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-11-25 20:20:28,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-11-25 20:20:28,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-11-25 20:20:28,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-11-25 20:20:28,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-11-25 20:20:28,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-11-25 20:20:28,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-11-25 20:20:28,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-11-25 20:20:28,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-11-25 20:20:28,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-11-25 20:20:28,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-11-25 20:20:28,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-11-25 20:20:28,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-11-25 20:20:28,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-11-25 20:20:28,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-11-25 20:20:28,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-11-25 20:20:28,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-11-25 20:20:28,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-11-25 20:20:28,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-11-25 20:20:28,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-11-25 20:20:28,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-11-25 20:20:28,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-11-25 20:20:28,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-11-25 20:20:28,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-11-25 20:20:28,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-11-25 20:20:28,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-11-25 20:20:28,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-11-25 20:20:28,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-11-25 20:20:28,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-11-25 20:20:28,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-11-25 20:20:28,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:20:28,482 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:20:28,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28 WrapperNode [2021-11-25 20:20:28,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:20:28,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:20:28,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:20:28,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:20:28,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:28,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,074 INFO L137 Inliner]: procedures = 1031, calls = 5477, calls flagged for inlining = 517, calls inlined = 430, statements flattened = 14053 [2021-11-25 20:20:29,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:20:29,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:20:29,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:20:29,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:20:29,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:20:29,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:20:29,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:20:29,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:20:29,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (1/1) ... [2021-11-25 20:20:29,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:20:29,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:20:29,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:20:29,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:20:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-25 20:20:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-25 20:20:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_align_high [2021-11-25 20:20:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_align_high [2021-11-25 20:20:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-25 20:20:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-25 20:20:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_open [2021-11-25 20:20:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_open [2021-11-25 20:20:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-11-25 20:20:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-11-25 20:20:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:20:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:20:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_22 [2021-11-25 20:20:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_22 [2021-11-25 20:20:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_23 [2021-11-25 20:20:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_23 [2021-11-25 20:20:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 20:20:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 20:20:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure mic_max_system_memory [2021-11-25 20:20:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_max_system_memory [2021-11-25 20:20:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:20:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:20:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure mic_system_page_mask [2021-11-25 20:20:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_system_page_mask [2021-11-25 20:20:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure mic_remove [2021-11-25 20:20:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_remove [2021-11-25 20:20:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:20:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:20:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-25 20:20:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-25 20:20:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure cmdline_store [2021-11-25 20:20:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdline_store [2021-11-25 20:20:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_is_fw_ready [2021-11-25 20:20:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_is_fw_ready [2021-11-25 20:20:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 20:20:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 20:20:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 20:20:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 20:20:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-25 20:20:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-25 20:20:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_write_spad [2021-11-25 20:20:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_write_spad [2021-11-25 20:20:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_offset [2021-11-25 20:20:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_offset [2021-11-25 20:20:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_single [2021-11-25 20:20:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_single [2021-11-25 20:20:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_iov_consumed [2021-11-25 20:20:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_iov_consumed [2021-11-25 20:20:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_program_msi_to_src_map [2021-11-25 20:20:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_program_msi_to_src_map [2021-11-25 20:20:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:20:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:20:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 20:20:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 20:20:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_release [2021-11-25 20:20:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_release [2021-11-25 20:20:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_intr [2021-11-25 20:20:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_intr [2021-11-25 20:20:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mbus_unregister_device [2021-11-25 20:20:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mbus_unregister_device [2021-11-25 20:20:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_configspace [2021-11-25 20:20:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_configspace [2021-11-25 20:20:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dev [2021-11-25 20:20:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dev [2021-11-25 20:20:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-25 20:20:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-25 20:20:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:20:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:20:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:20:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:20:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:20:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:20:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_reset [2021-11-25 20:20:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_reset [2021-11-25 20:20:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:20:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:20:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_23 [2021-11-25 20:20:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_23 [2021-11-25 20:20:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_22 [2021-11-25 20:20:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_22 [2021-11-25 20:20:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-25 20:20:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-25 20:20:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:20:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:20:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:20:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:20:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2021-11-25 20:20:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2021-11-25 20:20:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:20:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:20:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:20:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_ack_interrupt [2021-11-25 20:20:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_ack_interrupt [2021-11-25 20:20:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_set [2021-11-25 20:20:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_set [2021-11-25 20:20:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-11-25 20:20:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-11-25 20:20:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:20:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:20:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure mic_desc_size [2021-11-25 20:20:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_desc_size [2021-11-25 20:20:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 20:20:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 20:20:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 20:20:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 20:20:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:20:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:20:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_open [2021-11-25 20:20:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_open [2021-11-25 20:20:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:20:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:20:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 20:20:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 20:20:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:20:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:20:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:20:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:20:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:20:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_open [2021-11-25 20:20:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_open [2021-11-25 20:20:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure mic_unmap_single [2021-11-25 20:20:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_unmap_single [2021-11-25 20:20:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 20:20:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 20:20:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_irq [2021-11-25 20:20:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_irq [2021-11-25 20:20:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_firmware_intr [2021-11-25 20:20:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_firmware_intr [2021-11-25 20:20:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_msi_enabled [2021-11-25 20:20:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_msi_enabled [2021-11-25 20:20:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure mbdev_to_mdev [2021-11-25 20:20:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mbdev_to_mdev [2021-11-25 20:20:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_load_firmware [2021-11-25 20:20:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_load_firmware [2021-11-25 20:20:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-11-25 20:20:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-11-25 20:20:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_free_irq [2021-11-25 20:20:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_free_irq [2021-11-25 20:20:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_open [2021-11-25 20:20:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_open [2021-11-25 20:20:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_map_page [2021-11-25 20:20:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_map_page [2021-11-25 20:20:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:20:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:20:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure vringh16_to_cpu [2021-11-25 20:20:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh16_to_cpu [2021-11-25 20:20:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 20:20:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 20:20:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:20:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:20:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_uninit [2021-11-25 20:20:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_uninit [2021-11-25 20:20:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 20:20:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 20:20:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_error [2021-11-25 20:20:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_error [2021-11-25 20:20:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_intr_init [2021-11-25 20:20:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_intr_init [2021-11-25 20:20:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:20:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:20:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-11-25 20:20:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-11-25 20:20:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_release [2021-11-25 20:20:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_release [2021-11-25 20:20:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:20:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:20:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:20:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_len_store [2021-11-25 20:20:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_len_store [2021-11-25 20:20:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2021-11-25 20:20:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2021-11-25 20:20:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset_trigger_work [2021-11-25 20:20:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset_trigger_work [2021-11-25 20:20:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2021-11-25 20:20:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2021-11-25 20:20:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_4 [2021-11-25 20:20:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_4 [2021-11-25 20:20:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_3 [2021-11-25 20:20:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_3 [2021-11-25 20:20:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_6 [2021-11-25 20:20:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_6 [2021-11-25 20:20:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init [2021-11-25 20:20:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init [2021-11-25 20:20:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_5 [2021-11-25 20:20:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_5 [2021-11-25 20:20:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_7 [2021-11-25 20:20:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_7 [2021-11-25 20:20:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure mic_delete_debug_dir [2021-11-25 20:20:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_delete_debug_dir [2021-11-25 20:20:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 20:20:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 20:20:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2021-11-25 20:20:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2021-11-25 20:20:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 20:20:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 20:20:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-25 20:20:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-25 20:20:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_23 [2021-11-25 20:20:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_23 [2021-11-25 20:20:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:20:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:20:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 20:20:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 20:20:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 20:20:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 20:20:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:20:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:20:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:20:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:20:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:20:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:20:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:20:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-11-25 20:20:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-11-25 20:20:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 20:20:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 20:20:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:20:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure mic_ioctl [2021-11-25 20:20:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_ioctl [2021-11-25 20:20:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 20:20:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 20:20:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure mic_notify [2021-11-25 20:20:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_notify [2021-11-25 20:20:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_102 [2021-11-25 20:20:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_102 [2021-11-25 20:20:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-11-25 20:20:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-11-25 20:20:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ida_destroy [2021-11-25 20:20:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_destroy [2021-11-25 20:20:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sys_addr_to_smpt [2021-11-25 20:20:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sys_addr_to_smpt [2021-11-25 20:20:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 20:20:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 20:20:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 20:20:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 20:20:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-25 20:20:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-25 20:20:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 20:20:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 20:20:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:20:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:20:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 20:20:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 20:20:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:20:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:20:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:20:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:20:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:20:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:20:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure vring_size [2021-11-25 20:20:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_size [2021-11-25 20:20:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_shutdown_status [2021-11-25 20:20:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_shutdown_status [2021-11-25 20:20:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:20:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:20:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:20:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-11-25 20:20:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-11-25 20:20:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:20:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:20:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmap [2021-11-25 20:20:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmap [2021-11-25 20:20:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_enable_interrupts [2021-11-25 20:20:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_enable_interrupts [2021-11-25 20:20:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_98 [2021-11-25 20:20:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_98 [2021-11-25 20:20:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ramdisk_store [2021-11-25 20:20:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ramdisk_store [2021-11-25 20:20:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-25 20:20:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-25 20:20:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure mic_request_threaded_irq [2021-11-25 20:20:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_request_threaded_irq [2021-11-25 20:20:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 20:20:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 20:20:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_inited [2021-11-25 20:20:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_inited [2021-11-25 20:20:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_uninit [2021-11-25 20:20:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_uninit [2021-11-25 20:20:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:20:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:20:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-25 20:20:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-25 20:20:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_addr_store [2021-11-25 20:20:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_addr_store [2021-11-25 20:20:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure mic_next_db [2021-11-25 20:20:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_next_db [2021-11-25 20:20:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-11-25 20:20:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-11-25 20:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 20:20:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 20:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-25 20:20:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-25 20:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 20:20:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 20:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-25 20:20:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-25 20:20:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:20:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:20:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:20:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:20:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:20:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:20:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_22 [2021-11-25 20:20:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_22 [2021-11-25 20:20:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_23 [2021-11-25 20:20:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_23 [2021-11-25 20:20:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_write [2021-11-25 20:20:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_write [2021-11-25 20:20:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_cleanup [2021-11-25 20:20:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_cleanup [2021-11-25 20:20:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:20:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:20:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_open [2021-11-25 20:20:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_open [2021-11-25 20:20:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:20:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:20:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_release [2021-11-25 20:20:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_release [2021-11-25 20:20:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_disable_interrupts [2021-11-25 20:20:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_disable_interrupts [2021-11-25 20:20:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdevup [2021-11-25 20:20:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdevup [2021-11-25 20:20:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:20:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:20:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure mic_exit_debugfs [2021-11-25 20:20:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_exit_debugfs [2021-11-25 20:20:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_copy [2021-11-25 20:20:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_copy [2021-11-25 20:20:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:20:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:20:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-11-25 20:20:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-11-25 20:20:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure bootmode_store [2021-11-25 20:20:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bootmode_store [2021-11-25 20:20:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:20:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:20:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_get_postcode [2021-11-25 20:20:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_get_postcode [2021-11-25 20:20:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:20:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:20:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 20:20:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 20:20:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_features [2021-11-25 20:20:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_features [2021-11-25 20:20:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:20:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:20:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:20:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:20:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:20:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure state_store [2021-11-25 20:20:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure state_store [2021-11-25 20:20:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure mic_get_smpt_ref_count [2021-11-25 20:20:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_get_smpt_ref_count [2021-11-25 20:20:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 20:20:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 20:20:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_22 [2021-11-25 20:20:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_22 [2021-11-25 20:20:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_open [2021-11-25 20:20:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_open [2021-11-25 20:20:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_23 [2021-11-25 20:20:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_23 [2021-11-25 20:20:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:20:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 20:20:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 20:20:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 20:20:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 20:20:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:20:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:20:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:20:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure mbus_unregister_device [2021-11-25 20:20:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mbus_unregister_device [2021-11-25 20:20:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 20:20:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 20:20:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure mic_poll [2021-11-25 20:20:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_poll [2021-11-25 20:20:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:20:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:20:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_reset_fw_ready [2021-11-25 20:20:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_reset_fw_ready [2021-11-25 20:20:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 20:20:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 20:20:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:20:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:20:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:20:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:20:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure mic_interrupt [2021-11-25 20:20:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_interrupt [2021-11-25 20:20:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 20:20:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 20:20:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_spad [2021-11-25 20:20:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_spad [2021-11-25 20:20:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-25 20:20:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-25 20:20:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 20:20:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 20:20:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:20:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:20:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure mic_stop [2021-11-25 20:20:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_stop [2021-11-25 20:20:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-25 20:20:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-25 20:20:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 20:20:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 20:20:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 20:20:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 20:20:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure mic_setup_callbacks [2021-11-25 20:20:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_setup_callbacks [2021-11-25 20:20:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_put [2021-11-25 20:20:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_put [2021-11-25 20:20:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-11-25 20:20:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-11-25 20:20:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release [2021-11-25 20:20:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release [2021-11-25 20:20:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:20:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:20:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure vringh32_to_cpu [2021-11-25 20:20:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh32_to_cpu [2021-11-25 20:20:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:20:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:20:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_release [2021-11-25 20:20:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_release [2021-11-25 20:20:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_23 [2021-11-25 20:20:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_23 [2021-11-25 20:20:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_22 [2021-11-25 20:20:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_22 [2021-11-25 20:20:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-11-25 20:20:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-11-25 20:20:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure mic_probe [2021-11-25 20:20:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_probe [2021-11-25 20:20:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 20:20:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 20:20:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure mic_virtio_device_reset [2021-11-25 20:20:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_virtio_device_reset [2021-11-25 20:20:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-25 20:20:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-25 20:20:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_read [2021-11-25 20:20:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_read [2021-11-25 20:20:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:20:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:20:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 20:20:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 20:20:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-25 20:20:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-25 20:20:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 20:20:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 20:20:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 20:20:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 20:20:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_intr_workarounds [2021-11-25 20:20:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_intr_workarounds [2021-11-25 20:20:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-25 20:20:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-25 20:20:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:20:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:20:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:20:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release_callbacks [2021-11-25 20:20:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release_callbacks [2021-11-25 20:20:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:20:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:20:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 20:20:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 20:20:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_release [2021-11-25 20:20:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_release [2021-11-25 20:20:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_103 [2021-11-25 20:20:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_103 [2021-11-25 20:20:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 20:20:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 20:20:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_open [2021-11-25 20:20:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_open [2021-11-25 20:20:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-11-25 20:20:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-11-25 20:20:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_msi_to_src_map [2021-11-25 20:20:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_msi_to_src_map [2021-11-25 20:20:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 20:20:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 20:20:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-25 20:20:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-25 20:20:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_23 [2021-11-25 20:20:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_23 [2021-11-25 20:20:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2021-11-25 20:20:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2021-11-25 20:20:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_state [2021-11-25 20:20:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_state [2021-11-25 20:20:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_init [2021-11-25 20:20:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_init [2021-11-25 20:20:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure mic_is_system_addr [2021-11-25 20:20:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_is_system_addr [2021-11-25 20:20:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_config [2021-11-25 20:20:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_config [2021-11-25 20:20:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:20:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:20:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:20:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sync_dma [2021-11-25 20:20:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sync_dma [2021-11-25 20:20:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 20:20:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 20:20:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:20:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:20:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:20:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:20:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:20:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:20:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 20:20:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 20:20:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:20:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:20:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 20:20:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 20:20:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure mic_open [2021-11-25 20:20:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_open [2021-11-25 20:20:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure mic_device_uninit [2021-11-25 20:20:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_device_uninit [2021-11-25 20:20:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_unmap_page [2021-11-25 20:20:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_unmap_page [2021-11-25 20:20:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure mic_bootparam_init [2021-11-25 20:20:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_bootparam_init [2021-11-25 20:20:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:20:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:20:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_release [2021-11-25 20:20:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_release [2021-11-25 20:20:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure mic_thread_fn [2021-11-25 20:20:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_thread_fn [2021-11-25 20:20:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 20:20:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 20:20:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 20:20:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 20:20:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure mic_total_desc_size [2021-11-25 20:20:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_total_desc_size [2021-11-25 20:20:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure firmware_store [2021-11-25 20:20:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure firmware_store [2021-11-25 20:20:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ida_init [2021-11-25 20:20:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_init [2021-11-25 20:20:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:20:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:20:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:20:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:20:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 20:20:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 20:20:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_release [2021-11-25 20:20:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_release [2021-11-25 20:20:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset [2021-11-25 20:20:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset [2021-11-25 20:20:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 20:20:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 20:20:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:20:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:20:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_interrupts [2021-11-25 20:20:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_interrupts [2021-11-25 20:20:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-11-25 20:20:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-11-25 20:20:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:20:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:20:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-25 20:20:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-25 20:20:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 20:20:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 20:20:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_ack_interrupt [2021-11-25 20:20:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_ack_interrupt [2021-11-25 20:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_get [2021-11-25 20:20:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_get [2021-11-25 20:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 20:20:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 20:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:20:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 20:20:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 20:20:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_hw_init [2021-11-25 20:20:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_hw_init [2021-11-25 20:20:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-25 20:20:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-25 20:20:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:20:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:20:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 20:20:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 20:20:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:20:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:20:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:20:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:20:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_24_1 [2021-11-25 20:20:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_24_1 [2021-11-25 20:20:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:20:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-25 20:20:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-25 20:20:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 20:20:32,090 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:20:32,096 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:20:32,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:20:50,381 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:20:52,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:20:52,050 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:20:52,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:20:52 BoogieIcfgContainer [2021-11-25 20:20:52,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:20:52,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:20:52,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:20:52,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:20:52,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:20:18" (1/3) ... [2021-11-25 20:20:52,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14521419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:20:52, skipping insertion in model container [2021-11-25 20:20:52,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:20:28" (2/3) ... [2021-11-25 20:20:52,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14521419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:20:52, skipping insertion in model container [2021-11-25 20:20:52,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:20:52" (3/3) ... [2021-11-25 20:20:52,068 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-25 20:20:52,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:20:52,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-11-25 20:20:52,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:20:52,138 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:20:52,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-11-25 20:20:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 3689 states, 2111 states have (on average 1.2984367598294646) internal successors, (2741), 2301 states have internal predecessors, (2741), 1257 states have call successors, (1257), 283 states have call predecessors, (1257), 282 states have return successors, (1234), 1186 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-11-25 20:20:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 20:20:52,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:52,234 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:20:52,235 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:20:52,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:52,239 INFO L85 PathProgramCache]: Analyzing trace with hash 230401212, now seen corresponding path program 1 times [2021-11-25 20:20:52,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:52,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657325614] [2021-11-25 20:20:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:52,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:20:53,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:53,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657325614] [2021-11-25 20:20:53,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657325614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:53,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:53,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:20:53,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772589999] [2021-11-25 20:20:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:53,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:20:53,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:53,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:20:53,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:20:53,509 INFO L87 Difference]: Start difference. First operand has 3689 states, 2111 states have (on average 1.2984367598294646) internal successors, (2741), 2301 states have internal predecessors, (2741), 1257 states have call successors, (1257), 283 states have call predecessors, (1257), 282 states have return successors, (1234), 1186 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:21:02,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:21:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:05,100 INFO L93 Difference]: Finished difference Result 10715 states and 15739 transitions. [2021-11-25 20:21:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:21:05,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2021-11-25 20:21:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:05,184 INFO L225 Difference]: With dead ends: 10715 [2021-11-25 20:21:05,184 INFO L226 Difference]: Without dead ends: 7027 [2021-11-25 20:21:05,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:21:05,238 INFO L933 BasicCegarLoop]: 8921 mSDtfsCounter, 5046 mSDsluCounter, 24994 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 31191 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:05,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5047 Valid, 31191 Invalid, 3829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3828 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2021-11-25 20:21:05,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7027 states. [2021-11-25 20:21:05,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7027 to 6939. [2021-11-25 20:21:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 4006 states have (on average 1.2728407388916625) internal successors, (5099), 4307 states have internal predecessors, (5099), 2352 states have call successors, (2352), 545 states have call predecessors, (2352), 544 states have return successors, (2350), 2250 states have call predecessors, (2350), 2350 states have call successors, (2350) [2021-11-25 20:21:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9801 transitions. [2021-11-25 20:21:05,907 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9801 transitions. Word has length 24 [2021-11-25 20:21:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:05,908 INFO L470 AbstractCegarLoop]: Abstraction has 6939 states and 9801 transitions. [2021-11-25 20:21:05,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:21:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9801 transitions. [2021-11-25 20:21:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:21:05,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:05,913 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-25 20:21:05,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:21:05,914 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:05,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:05,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1688091590, now seen corresponding path program 1 times [2021-11-25 20:21:05,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:05,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162315921] [2021-11-25 20:21:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:05,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:21:06,365 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:06,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162315921] [2021-11-25 20:21:06,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162315921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:06,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:06,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:21:06,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66451217] [2021-11-25 20:21:06,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:06,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:21:06,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:06,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:21:06,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:06,371 INFO L87 Difference]: Start difference. First operand 6939 states and 9801 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:21:10,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:10,924 INFO L93 Difference]: Finished difference Result 6939 states and 9801 transitions. [2021-11-25 20:21:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:21:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2021-11-25 20:21:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:10,982 INFO L225 Difference]: With dead ends: 6939 [2021-11-25 20:21:10,982 INFO L226 Difference]: Without dead ends: 6937 [2021-11-25 20:21:10,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:21:10,988 INFO L933 BasicCegarLoop]: 4409 mSDtfsCounter, 4953 mSDsluCounter, 9903 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 13224 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:10,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4954 Valid, 13224 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-25 20:21:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6937 states. [2021-11-25 20:21:11,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6937 to 6937. [2021-11-25 20:21:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6937 states, 4005 states have (on average 1.2724094881398251) internal successors, (5096), 4305 states have internal predecessors, (5096), 2352 states have call successors, (2352), 545 states have call predecessors, (2352), 544 states have return successors, (2350), 2250 states have call predecessors, (2350), 2350 states have call successors, (2350) [2021-11-25 20:21:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 9798 transitions. [2021-11-25 20:21:11,653 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 9798 transitions. Word has length 39 [2021-11-25 20:21:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:11,654 INFO L470 AbstractCegarLoop]: Abstraction has 6937 states and 9798 transitions. [2021-11-25 20:21:11,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:21:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 9798 transitions. [2021-11-25 20:21:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:21:11,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:11,666 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 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] [2021-11-25 20:21:11,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:21:11,666 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:11,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:11,667 INFO L85 PathProgramCache]: Analyzing trace with hash 353161163, now seen corresponding path program 1 times [2021-11-25 20:21:11,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:11,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881307170] [2021-11-25 20:21:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 20:21:12,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:12,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881307170] [2021-11-25 20:21:12,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881307170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:12,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:12,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:21:12,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447760532] [2021-11-25 20:21:12,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:12,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:21:12,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:12,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:21:12,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:12,078 INFO L87 Difference]: Start difference. First operand 6937 states and 9798 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 20:21:18,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:21:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:18,615 INFO L93 Difference]: Finished difference Result 11346 states and 16227 transitions. [2021-11-25 20:21:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:21:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 65 [2021-11-25 20:21:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:18,687 INFO L225 Difference]: With dead ends: 11346 [2021-11-25 20:21:18,687 INFO L226 Difference]: Without dead ends: 7844 [2021-11-25 20:21:18,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:21:18,716 INFO L933 BasicCegarLoop]: 5119 mSDtfsCounter, 659 mSDsluCounter, 15785 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 19280 SdHoareTripleChecker+Invalid, 2797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:18,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [844 Valid, 19280 Invalid, 2797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [543 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-11-25 20:21:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2021-11-25 20:21:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 6822. [2021-11-25 20:21:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6822 states, 3937 states have (on average 1.2715265430530862) internal successors, (5006), 4231 states have internal predecessors, (5006), 2309 states have call successors, (2309), 541 states have call predecessors, (2309), 540 states have return successors, (2307), 2209 states have call predecessors, (2307), 2307 states have call successors, (2307) [2021-11-25 20:21:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6822 states to 6822 states and 9622 transitions. [2021-11-25 20:21:19,175 INFO L78 Accepts]: Start accepts. Automaton has 6822 states and 9622 transitions. Word has length 65 [2021-11-25 20:21:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:19,175 INFO L470 AbstractCegarLoop]: Abstraction has 6822 states and 9622 transitions. [2021-11-25 20:21:19,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 20:21:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 6822 states and 9622 transitions. [2021-11-25 20:21:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 20:21:19,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:19,179 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:21:19,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:21:19,180 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2063836760, now seen corresponding path program 1 times [2021-11-25 20:21:19,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:19,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943719388] [2021-11-25 20:21:19,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:19,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:21:19,596 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:19,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943719388] [2021-11-25 20:21:19,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943719388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:19,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:19,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:21:19,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133509174] [2021-11-25 20:21:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:19,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:21:19,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:21:19,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:19,598 INFO L87 Difference]: Start difference. First operand 6822 states and 9622 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) [2021-11-25 20:21:25,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:25,385 INFO L93 Difference]: Finished difference Result 13514 states and 19277 transitions. [2021-11-25 20:21:25,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:21:25,385 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 74 [2021-11-25 20:21:25,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:25,472 INFO L225 Difference]: With dead ends: 13514 [2021-11-25 20:21:25,472 INFO L226 Difference]: Without dead ends: 13512 [2021-11-25 20:21:25,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:25,484 INFO L933 BasicCegarLoop]: 6691 mSDtfsCounter, 4909 mSDsluCounter, 12323 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 17799 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:25,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4911 Valid, 17799 Invalid, 1911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-25 20:21:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13512 states. [2021-11-25 20:21:26,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13512 to 13222. [2021-11-25 20:21:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13222 states, 7639 states have (on average 1.2729414844874984) internal successors, (9724), 8189 states have internal predecessors, (9724), 4512 states have call successors, (4512), 1036 states have call predecessors, (4512), 1035 states have return successors, (4717), 4308 states have call predecessors, (4717), 4510 states have call successors, (4717) [2021-11-25 20:21:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13222 states to 13222 states and 18953 transitions. [2021-11-25 20:21:26,238 INFO L78 Accepts]: Start accepts. Automaton has 13222 states and 18953 transitions. Word has length 74 [2021-11-25 20:21:26,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:26,240 INFO L470 AbstractCegarLoop]: Abstraction has 13222 states and 18953 transitions. [2021-11-25 20:21:26,240 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) [2021-11-25 20:21:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13222 states and 18953 transitions. [2021-11-25 20:21:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 20:21:26,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:26,243 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 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] [2021-11-25 20:21:26,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:21:26,243 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:26,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:26,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1824389618, now seen corresponding path program 1 times [2021-11-25 20:21:26,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:26,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783541732] [2021-11-25 20:21:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:26,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 20:21:26,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:26,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783541732] [2021-11-25 20:21:26,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783541732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:26,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:26,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:21:26,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030581326] [2021-11-25 20:21:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:26,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:21:26,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:21:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:26,621 INFO L87 Difference]: Start difference. First operand 13222 states and 18953 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 20:21:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:34,311 INFO L93 Difference]: Finished difference Result 26379 states and 37831 transitions. [2021-11-25 20:21:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:21:34,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2021-11-25 20:21:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:34,440 INFO L225 Difference]: With dead ends: 26379 [2021-11-25 20:21:34,440 INFO L226 Difference]: Without dead ends: 26377 [2021-11-25 20:21:34,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:21:34,456 INFO L933 BasicCegarLoop]: 6973 mSDtfsCounter, 4939 mSDsluCounter, 20308 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4940 SdHoareTripleChecker+Valid, 25278 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:34,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4940 Valid, 25278 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-25 20:21:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26377 states. [2021-11-25 20:21:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26377 to 26065. [2021-11-25 20:21:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26065 states, 15061 states have (on average 1.2734878162140628) internal successors, (19180), 16124 states have internal predecessors, (19180), 8945 states have call successors, (8945), 2025 states have call predecessors, (8945), 2024 states have return successors, (9363), 8537 states have call predecessors, (9363), 8943 states have call successors, (9363) [2021-11-25 20:21:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26065 states to 26065 states and 37488 transitions. [2021-11-25 20:21:36,307 INFO L78 Accepts]: Start accepts. Automaton has 26065 states and 37488 transitions. Word has length 71 [2021-11-25 20:21:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:36,308 INFO L470 AbstractCegarLoop]: Abstraction has 26065 states and 37488 transitions. [2021-11-25 20:21:36,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 20:21:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 26065 states and 37488 transitions. [2021-11-25 20:21:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 20:21:36,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:36,310 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:21:36,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:21:36,310 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:36,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:36,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1613337433, now seen corresponding path program 1 times [2021-11-25 20:21:36,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:36,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524375044] [2021-11-25 20:21:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:21:36,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:36,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524375044] [2021-11-25 20:21:36,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524375044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:36,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:36,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:21:36,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937782963] [2021-11-25 20:21:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:36,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:21:36,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:36,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:21:36,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:36,670 INFO L87 Difference]: Start difference. First operand 26065 states and 37488 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) [2021-11-25 20:21:40,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:40,101 INFO L93 Difference]: Finished difference Result 26065 states and 37488 transitions. [2021-11-25 20:21:40,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:21:40,102 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 79 [2021-11-25 20:21:40,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:40,220 INFO L225 Difference]: With dead ends: 26065 [2021-11-25 20:21:40,221 INFO L226 Difference]: Without dead ends: 26063 [2021-11-25 20:21:40,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:40,237 INFO L933 BasicCegarLoop]: 4409 mSDtfsCounter, 4927 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 8818 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:40,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 8818 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 20:21:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26063 states. [2021-11-25 20:21:41,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26063 to 26063. [2021-11-25 20:21:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26063 states, 15060 states have (on average 1.2733731739707834) internal successors, (19177), 16122 states have internal predecessors, (19177), 8945 states have call successors, (8945), 2025 states have call predecessors, (8945), 2024 states have return successors, (9363), 8537 states have call predecessors, (9363), 8943 states have call successors, (9363) [2021-11-25 20:21:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26063 states to 26063 states and 37485 transitions. [2021-11-25 20:21:41,879 INFO L78 Accepts]: Start accepts. Automaton has 26063 states and 37485 transitions. Word has length 79 [2021-11-25 20:21:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:41,880 INFO L470 AbstractCegarLoop]: Abstraction has 26063 states and 37485 transitions. [2021-11-25 20:21:41,880 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) [2021-11-25 20:21:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 26063 states and 37485 transitions. [2021-11-25 20:21:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 20:21:41,881 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:41,882 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:21:41,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:21:41,882 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 469954590, now seen corresponding path program 1 times [2021-11-25 20:21:41,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:41,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487155563] [2021-11-25 20:21:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:41,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:21:42,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:42,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487155563] [2021-11-25 20:21:42,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487155563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:42,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:42,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:21:42,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024543278] [2021-11-25 20:21:42,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:42,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:21:42,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:42,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:21:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:42,200 INFO L87 Difference]: Start difference. First operand 26063 states and 37485 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) [2021-11-25 20:21:45,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:45,895 INFO L93 Difference]: Finished difference Result 26063 states and 37485 transitions. [2021-11-25 20:21:45,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:21:45,896 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 84 [2021-11-25 20:21:45,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:46,035 INFO L225 Difference]: With dead ends: 26063 [2021-11-25 20:21:46,035 INFO L226 Difference]: Without dead ends: 26061 [2021-11-25 20:21:46,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:46,052 INFO L933 BasicCegarLoop]: 4407 mSDtfsCounter, 4924 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 8814 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:46,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4926 Valid, 8814 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 20:21:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26061 states. [2021-11-25 20:21:47,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26061 to 26061. [2021-11-25 20:21:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26061 states, 15059 states have (on average 1.2732585165017598) internal successors, (19174), 16120 states have internal predecessors, (19174), 8945 states have call successors, (8945), 2025 states have call predecessors, (8945), 2024 states have return successors, (9363), 8537 states have call predecessors, (9363), 8943 states have call successors, (9363) [2021-11-25 20:21:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26061 states to 26061 states and 37482 transitions. [2021-11-25 20:21:47,609 INFO L78 Accepts]: Start accepts. Automaton has 26061 states and 37482 transitions. Word has length 84 [2021-11-25 20:21:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:47,609 INFO L470 AbstractCegarLoop]: Abstraction has 26061 states and 37482 transitions. [2021-11-25 20:21:47,610 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) [2021-11-25 20:21:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26061 states and 37482 transitions. [2021-11-25 20:21:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 20:21:47,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:47,612 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:21:47,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:21:47,612 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:47,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash 210633141, now seen corresponding path program 1 times [2021-11-25 20:21:47,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:47,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921933663] [2021-11-25 20:21:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-25 20:21:48,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:48,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921933663] [2021-11-25 20:21:48,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921933663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:48,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:48,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:21:48,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226930403] [2021-11-25 20:21:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:48,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:21:48,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:48,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:21:48,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:48,202 INFO L87 Difference]: Start difference. First operand 26061 states and 37482 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:21:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:52,195 INFO L93 Difference]: Finished difference Result 26061 states and 37482 transitions. [2021-11-25 20:21:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:21:52,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 81 [2021-11-25 20:21:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:52,290 INFO L225 Difference]: With dead ends: 26061 [2021-11-25 20:21:52,290 INFO L226 Difference]: Without dead ends: 26059 [2021-11-25 20:21:52,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:21:52,302 INFO L933 BasicCegarLoop]: 4401 mSDtfsCounter, 4928 mSDsluCounter, 9887 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 13200 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:52,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 13200 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 20:21:52,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26059 states. [2021-11-25 20:21:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26059 to 26059. [2021-11-25 20:21:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26059 states, 15058 states have (on average 1.273143843803958) internal successors, (19171), 16118 states have internal predecessors, (19171), 8945 states have call successors, (8945), 2025 states have call predecessors, (8945), 2024 states have return successors, (9363), 8537 states have call predecessors, (9363), 8943 states have call successors, (9363) [2021-11-25 20:21:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26059 states to 26059 states and 37479 transitions. [2021-11-25 20:21:53,814 INFO L78 Accepts]: Start accepts. Automaton has 26059 states and 37479 transitions. Word has length 81 [2021-11-25 20:21:53,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:53,814 INFO L470 AbstractCegarLoop]: Abstraction has 26059 states and 37479 transitions. [2021-11-25 20:21:53,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:21:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 26059 states and 37479 transitions. [2021-11-25 20:21:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 20:21:53,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:53,817 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:21:53,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:21:53,817 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:53,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -463428709, now seen corresponding path program 1 times [2021-11-25 20:21:53,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:53,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028148518] [2021-11-25 20:21:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:53,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:21:54,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:54,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028148518] [2021-11-25 20:21:54,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028148518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:54,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:54,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:21:54,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793294111] [2021-11-25 20:21:54,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:54,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:21:54,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:21:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:21:54,102 INFO L87 Difference]: Start difference. First operand 26059 states and 37479 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) [2021-11-25 20:21:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:21:57,438 INFO L93 Difference]: Finished difference Result 26059 states and 37479 transitions. [2021-11-25 20:21:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:21:57,438 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 89 [2021-11-25 20:21:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:21:57,539 INFO L225 Difference]: With dead ends: 26059 [2021-11-25 20:21:57,539 INFO L226 Difference]: Without dead ends: 26057 [2021-11-25 20:21:57,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:57,552 INFO L933 BasicCegarLoop]: 4403 mSDtfsCounter, 4919 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4921 SdHoareTripleChecker+Valid, 8806 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:57,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4921 Valid, 8806 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 20:21:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26057 states. [2021-11-25 20:21:59,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26057 to 26057. [2021-11-25 20:21:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26057 states, 15057 states have (on average 1.273029155874344) internal successors, (19168), 16116 states have internal predecessors, (19168), 8945 states have call successors, (8945), 2025 states have call predecessors, (8945), 2024 states have return successors, (9363), 8537 states have call predecessors, (9363), 8943 states have call successors, (9363) [2021-11-25 20:21:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26057 states to 26057 states and 37476 transitions. [2021-11-25 20:21:59,121 INFO L78 Accepts]: Start accepts. Automaton has 26057 states and 37476 transitions. Word has length 89 [2021-11-25 20:21:59,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:59,122 INFO L470 AbstractCegarLoop]: Abstraction has 26057 states and 37476 transitions. [2021-11-25 20:21:59,122 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) [2021-11-25 20:21:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26057 states and 37476 transitions. [2021-11-25 20:21:59,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 20:21:59,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:59,124 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 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] [2021-11-25 20:21:59,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:21:59,125 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:21:59,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:59,125 INFO L85 PathProgramCache]: Analyzing trace with hash -494925557, now seen corresponding path program 1 times [2021-11-25 20:21:59,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:59,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753977833] [2021-11-25 20:21:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:59,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:21:59,766 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:59,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753977833] [2021-11-25 20:21:59,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753977833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:21:59,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:21:59,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:21:59,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991864291] [2021-11-25 20:21:59,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:21:59,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:21:59,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:21:59,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:21:59,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:21:59,767 INFO L87 Difference]: Start difference. First operand 26057 states and 37476 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-25 20:22:06,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:09,727 INFO L93 Difference]: Finished difference Result 39208 states and 56234 transitions. [2021-11-25 20:22:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:22:09,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 92 [2021-11-25 20:22:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:09,863 INFO L225 Difference]: With dead ends: 39208 [2021-11-25 20:22:09,864 INFO L226 Difference]: Without dead ends: 38953 [2021-11-25 20:22:09,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:22:09,882 INFO L933 BasicCegarLoop]: 6851 mSDtfsCounter, 4736 mSDsluCounter, 27616 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 31742 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:09,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4736 Valid, 31742 Invalid, 3594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-11-25 20:22:09,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38953 states. [2021-11-25 20:22:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38953 to 25844. [2021-11-25 20:22:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25844 states, 14933 states have (on average 1.272483760798232) internal successors, (19002), 15986 states have internal predecessors, (19002), 8861 states have call successors, (8861), 2020 states have call predecessors, (8861), 2019 states have return successors, (9270), 8454 states have call predecessors, (9270), 8859 states have call successors, (9270) [2021-11-25 20:22:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25844 states to 25844 states and 37133 transitions. [2021-11-25 20:22:11,526 INFO L78 Accepts]: Start accepts. Automaton has 25844 states and 37133 transitions. Word has length 92 [2021-11-25 20:22:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:11,526 INFO L470 AbstractCegarLoop]: Abstraction has 25844 states and 37133 transitions. [2021-11-25 20:22:11,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-25 20:22:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 25844 states and 37133 transitions. [2021-11-25 20:22:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:22:11,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:11,529 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:22:11,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:22:11,529 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:22:11,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1557915027, now seen corresponding path program 1 times [2021-11-25 20:22:11,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:11,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123651336] [2021-11-25 20:22:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:11,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:22:11,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123651336] [2021-11-25 20:22:11,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123651336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:11,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:11,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:22:11,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921613849] [2021-11-25 20:22:11,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:12,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:12,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:12,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:12,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:12,001 INFO L87 Difference]: Start difference. First operand 25844 states and 37133 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) [2021-11-25 20:22:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:18,058 INFO L93 Difference]: Finished difference Result 38981 states and 55984 transitions. [2021-11-25 20:22:18,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:22:18,059 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 94 [2021-11-25 20:22:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:18,265 INFO L225 Difference]: With dead ends: 38981 [2021-11-25 20:22:18,265 INFO L226 Difference]: Without dead ends: 38979 [2021-11-25 20:22:18,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:18,277 INFO L933 BasicCegarLoop]: 7034 mSDtfsCounter, 4917 mSDsluCounter, 12671 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4919 SdHoareTripleChecker+Valid, 18421 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:18,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4919 Valid, 18421 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-25 20:22:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38979 states. [2021-11-25 20:22:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38979 to 38749. [2021-11-25 20:22:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38749 states, 22391 states have (on average 1.2726095306149792) internal successors, (28495), 23956 states have internal predecessors, (28495), 13308 states have call successors, (13308), 3020 states have call predecessors, (13308), 3019 states have return successors, (13930), 12698 states have call predecessors, (13930), 13306 states have call successors, (13930) [2021-11-25 20:22:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38749 states to 38749 states and 55733 transitions. [2021-11-25 20:22:20,466 INFO L78 Accepts]: Start accepts. Automaton has 38749 states and 55733 transitions. Word has length 94 [2021-11-25 20:22:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:20,467 INFO L470 AbstractCegarLoop]: Abstraction has 38749 states and 55733 transitions. [2021-11-25 20:22:20,467 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) [2021-11-25 20:22:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38749 states and 55733 transitions. [2021-11-25 20:22:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 20:22:20,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:20,469 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 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] [2021-11-25 20:22:20,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:22:20,469 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:22:20,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:20,470 INFO L85 PathProgramCache]: Analyzing trace with hash 601817002, now seen corresponding path program 1 times [2021-11-25 20:22:20,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:20,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077550331] [2021-11-25 20:22:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:20,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:22:20,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:20,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077550331] [2021-11-25 20:22:20,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077550331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:20,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:20,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:22:20,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131818834] [2021-11-25 20:22:20,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:20,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:20,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:20,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:20,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:20,770 INFO L87 Difference]: Start difference. First operand 38749 states and 55733 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:22:24,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:24,267 INFO L93 Difference]: Finished difference Result 38773 states and 55761 transitions. [2021-11-25 20:22:24,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:22:24,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 97 [2021-11-25 20:22:24,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:24,388 INFO L225 Difference]: With dead ends: 38773 [2021-11-25 20:22:24,388 INFO L226 Difference]: Without dead ends: 38771 [2021-11-25 20:22:24,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:24,405 INFO L933 BasicCegarLoop]: 4402 mSDtfsCounter, 4912 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4912 SdHoareTripleChecker+Valid, 8803 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:24,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4912 Valid, 8803 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 20:22:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38771 states. [2021-11-25 20:22:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38771 to 38747. [2021-11-25 20:22:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38747 states, 22390 states have (on average 1.2720857525681109) internal successors, (28482), 23954 states have internal predecessors, (28482), 13308 states have call successors, (13308), 3020 states have call predecessors, (13308), 3019 states have return successors, (13930), 12698 states have call predecessors, (13930), 13306 states have call successors, (13930) [2021-11-25 20:22:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38747 states to 38747 states and 55720 transitions. [2021-11-25 20:22:26,675 INFO L78 Accepts]: Start accepts. Automaton has 38747 states and 55720 transitions. Word has length 97 [2021-11-25 20:22:26,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:26,675 INFO L470 AbstractCegarLoop]: Abstraction has 38747 states and 55720 transitions. [2021-11-25 20:22:26,676 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:22:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 38747 states and 55720 transitions. [2021-11-25 20:22:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 20:22:26,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:26,678 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:22:26,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:22:26,679 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:22:26,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:26,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1105754642, now seen corresponding path program 1 times [2021-11-25 20:22:26,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:26,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805065706] [2021-11-25 20:22:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:26,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:22:26,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:26,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805065706] [2021-11-25 20:22:26,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805065706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:26,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:26,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:22:26,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152505907] [2021-11-25 20:22:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:26,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:26,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:26,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:26,935 INFO L87 Difference]: Start difference. First operand 38747 states and 55720 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:22:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:34,103 INFO L93 Difference]: Finished difference Result 38852 states and 55810 transitions. [2021-11-25 20:22:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:22:34,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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 99 [2021-11-25 20:22:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:34,322 INFO L225 Difference]: With dead ends: 38852 [2021-11-25 20:22:34,322 INFO L226 Difference]: Without dead ends: 38850 [2021-11-25 20:22:34,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:34,334 INFO L933 BasicCegarLoop]: 8503 mSDtfsCounter, 4729 mSDsluCounter, 14427 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 21341 SdHoareTripleChecker+Invalid, 2652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:34,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4731 Valid, 21341 Invalid, 2652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-25 20:22:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38850 states. [2021-11-25 20:22:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38850 to 38763. [2021-11-25 20:22:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38763 states, 22398 states have (on average 1.271943923564604) internal successors, (28489), 23962 states have internal predecessors, (28489), 13312 states have call successors, (13312), 3024 states have call predecessors, (13312), 3023 states have return successors, (13934), 12702 states have call predecessors, (13934), 13310 states have call successors, (13934) [2021-11-25 20:22:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38763 states to 38763 states and 55735 transitions. [2021-11-25 20:22:36,546 INFO L78 Accepts]: Start accepts. Automaton has 38763 states and 55735 transitions. Word has length 99 [2021-11-25 20:22:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:36,546 INFO L470 AbstractCegarLoop]: Abstraction has 38763 states and 55735 transitions. [2021-11-25 20:22:36,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:22:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38763 states and 55735 transitions. [2021-11-25 20:22:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 20:22:36,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:36,549 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 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] [2021-11-25 20:22:36,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 20:22:36,549 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:22:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1690743168, now seen corresponding path program 1 times [2021-11-25 20:22:36,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:36,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629874179] [2021-11-25 20:22:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:36,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 20:22:37,722 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:37,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629874179] [2021-11-25 20:22:37,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629874179] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:22:37,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363310433] [2021-11-25 20:22:37,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:37,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:37,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:37,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:37,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:22:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:39,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 5283 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-25 20:22:39,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-25 20:22:40,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:40,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363310433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:40,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:22:40,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [22] total 30 [2021-11-25 20:22:40,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090323869] [2021-11-25 20:22:40,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:40,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 20:22:40,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:40,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 20:22:40,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-11-25 20:22:40,338 INFO L87 Difference]: Start difference. First operand 38763 states and 55735 transitions. Second operand has 14 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-25 20:22:56,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:56,121 INFO L93 Difference]: Finished difference Result 51723 states and 74330 transitions. [2021-11-25 20:22:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 20:22:56,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 100 [2021-11-25 20:22:56,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:56,210 INFO L225 Difference]: With dead ends: 51723 [2021-11-25 20:22:56,210 INFO L226 Difference]: Without dead ends: 26308 [2021-11-25 20:22:56,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 20:22:56,292 INFO L933 BasicCegarLoop]: 4434 mSDtfsCounter, 57 mSDsluCounter, 59225 mSDsCounter, 0 mSdLazyCounter, 8062 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 57184 SdHoareTripleChecker+Invalid, 8355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 8062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:56,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 57184 Invalid, 8355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [293 Valid, 8062 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2021-11-25 20:22:56,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26308 states. [2021-11-25 20:22:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26308 to 26226. [2021-11-25 20:22:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26226 states, 15151 states have (on average 1.2706752029569006) internal successors, (19252), 16211 states have internal predecessors, (19252), 8991 states have call successors, (8991), 2055 states have call predecessors, (8991), 2054 states have return successors, (9409), 8581 states have call predecessors, (9409), 8989 states have call successors, (9409) [2021-11-25 20:22:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26226 states to 26226 states and 37652 transitions. [2021-11-25 20:22:57,918 INFO L78 Accepts]: Start accepts. Automaton has 26226 states and 37652 transitions. Word has length 100 [2021-11-25 20:22:57,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:57,918 INFO L470 AbstractCegarLoop]: Abstraction has 26226 states and 37652 transitions. [2021-11-25 20:22:57,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-25 20:22:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26226 states and 37652 transitions. [2021-11-25 20:22:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 20:22:57,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:57,919 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:22:57,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:22:58,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa0ecd8-899c-4597-b30e-1b135c1d3406/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-25 20:22:58,120 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:22:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1719764466, now seen corresponding path program 1 times [2021-11-25 20:22:58,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:58,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357277315] [2021-11-25 20:22:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:58,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:22:58,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:58,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357277315] [2021-11-25 20:22:58,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357277315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:58,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:58,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:22:58,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245877903] [2021-11-25 20:22:58,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:58,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:58,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:58,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:58,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:58,388 INFO L87 Difference]: Start difference. First operand 26226 states and 37652 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:23:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:01,915 INFO L93 Difference]: Finished difference Result 26226 states and 37652 transitions. [2021-11-25 20:23:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:01,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 104 [2021-11-25 20:23:01,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:01,979 INFO L225 Difference]: With dead ends: 26226 [2021-11-25 20:23:01,979 INFO L226 Difference]: Without dead ends: 26224 [2021-11-25 20:23:01,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:01,989 INFO L933 BasicCegarLoop]: 4399 mSDtfsCounter, 4912 mSDsluCounter, 4942 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 8798 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:01,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4914 Valid, 8798 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 20:23:02,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26224 states. [2021-11-25 20:23:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26224 to 26224. [2021-11-25 20:23:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26224 states, 15150 states have (on average 1.2705610561056107) internal successors, (19249), 16209 states have internal predecessors, (19249), 8991 states have call successors, (8991), 2055 states have call predecessors, (8991), 2054 states have return successors, (9409), 8581 states have call predecessors, (9409), 8989 states have call successors, (9409) [2021-11-25 20:23:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26224 states to 26224 states and 37649 transitions. [2021-11-25 20:23:03,518 INFO L78 Accepts]: Start accepts. Automaton has 26224 states and 37649 transitions. Word has length 104 [2021-11-25 20:23:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:03,519 INFO L470 AbstractCegarLoop]: Abstraction has 26224 states and 37649 transitions. [2021-11-25 20:23:03,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:23:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 26224 states and 37649 transitions. [2021-11-25 20:23:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 20:23:03,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:03,521 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 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] [2021-11-25 20:23:03,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 20:23:03,522 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:23:03,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:03,522 INFO L85 PathProgramCache]: Analyzing trace with hash -391336542, now seen corresponding path program 1 times [2021-11-25 20:23:03,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:03,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16361967] [2021-11-25 20:23:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:03,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-25 20:23:03,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:03,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16361967] [2021-11-25 20:23:03,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16361967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:03,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:03,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:03,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178453200] [2021-11-25 20:23:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:03,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:03,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:03,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:03,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:03,805 INFO L87 Difference]: Start difference. First operand 26224 states and 37649 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:23:10,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:11,432 INFO L93 Difference]: Finished difference Result 26293 states and 37701 transitions. [2021-11-25 20:23:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 104 [2021-11-25 20:23:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:11,496 INFO L225 Difference]: With dead ends: 26293 [2021-11-25 20:23:11,496 INFO L226 Difference]: Without dead ends: 26291 [2021-11-25 20:23:11,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:11,504 INFO L933 BasicCegarLoop]: 7130 mSDtfsCounter, 4848 mSDsluCounter, 12737 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 18492 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:11,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4848 Valid, 18492 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2236 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-11-25 20:23:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26291 states. [2021-11-25 20:23:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26291 to 26236. [2021-11-25 20:23:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26236 states, 15158 states have (on average 1.2704182609842987) internal successors, (19257), 16213 states have internal predecessors, (19257), 8995 states have call successors, (8995), 2059 states have call predecessors, (8995), 2054 states have return successors, (9413), 8585 states have call predecessors, (9413), 8993 states have call successors, (9413) [2021-11-25 20:23:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26236 states to 26236 states and 37665 transitions. [2021-11-25 20:23:13,019 INFO L78 Accepts]: Start accepts. Automaton has 26236 states and 37665 transitions. Word has length 104 [2021-11-25 20:23:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:13,020 INFO L470 AbstractCegarLoop]: Abstraction has 26236 states and 37665 transitions. [2021-11-25 20:23:13,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:23:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 26236 states and 37665 transitions. [2021-11-25 20:23:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 20:23:13,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:13,022 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:23:13,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 20:23:13,022 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:23:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash 305752945, now seen corresponding path program 1 times [2021-11-25 20:23:13,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:13,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240916604] [2021-11-25 20:23:13,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:13,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:23:13,500 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:13,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240916604] [2021-11-25 20:23:13,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240916604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:13,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:13,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:23:13,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120981256] [2021-11-25 20:23:13,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:13,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:23:13,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:13,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:23:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:13,503 INFO L87 Difference]: Start difference. First operand 26236 states and 37665 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-25 20:23:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:20,966 INFO L93 Difference]: Finished difference Result 26429 states and 37904 transitions. [2021-11-25 20:23:20,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 105 [2021-11-25 20:23:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:21,059 INFO L225 Difference]: With dead ends: 26429 [2021-11-25 20:23:21,059 INFO L226 Difference]: Without dead ends: 26274 [2021-11-25 20:23:21,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:23:21,067 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 902 mSDsluCounter, 14293 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 17782 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:21,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [902 Valid, 17782 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-11-25 20:23:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26274 states. [2021-11-25 20:23:22,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26274 to 26217. [2021-11-25 20:23:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26217 states, 15148 states have (on average 1.2705307631370477) internal successors, (19246), 16202 states have internal predecessors, (19246), 8989 states have call successors, (8989), 2056 states have call predecessors, (8989), 2051 states have return successors, (9407), 8580 states have call predecessors, (9407), 8987 states have call successors, (9407) [2021-11-25 20:23:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26217 states to 26217 states and 37642 transitions. [2021-11-25 20:23:22,532 INFO L78 Accepts]: Start accepts. Automaton has 26217 states and 37642 transitions. Word has length 105 [2021-11-25 20:23:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:22,532 INFO L470 AbstractCegarLoop]: Abstraction has 26217 states and 37642 transitions. [2021-11-25 20:23:22,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-25 20:23:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 26217 states and 37642 transitions. [2021-11-25 20:23:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 20:23:22,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:22,535 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:22,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 20:23:22,535 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:23:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash -70399505, now seen corresponding path program 1 times [2021-11-25 20:23:22,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337271994] [2021-11-25 20:23:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:22,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:23:22,831 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:22,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337271994] [2021-11-25 20:23:22,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337271994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:22,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:22,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:22,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396349562] [2021-11-25 20:23:22,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:22,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:22,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:22,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:22,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:22,834 INFO L87 Difference]: Start difference. First operand 26217 states and 37642 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 20:23:28,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:28,206 INFO L93 Difference]: Finished difference Result 26217 states and 37642 transitions. [2021-11-25 20:23:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:28,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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 109 [2021-11-25 20:23:28,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:28,271 INFO L225 Difference]: With dead ends: 26217 [2021-11-25 20:23:28,271 INFO L226 Difference]: Without dead ends: 26215 [2021-11-25 20:23:28,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:28,280 INFO L933 BasicCegarLoop]: 4397 mSDtfsCounter, 4913 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4915 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:28,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4915 Valid, 8790 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-25 20:23:28,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26215 states. [2021-11-25 20:23:29,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26215 to 26215. [2021-11-25 20:23:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26215 states, 15147 states have (on average 1.2704165841420743) internal successors, (19243), 16200 states have internal predecessors, (19243), 8989 states have call successors, (8989), 2056 states have call predecessors, (8989), 2051 states have return successors, (9407), 8580 states have call predecessors, (9407), 8987 states have call successors, (9407) [2021-11-25 20:23:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26215 states to 26215 states and 37639 transitions. [2021-11-25 20:23:29,891 INFO L78 Accepts]: Start accepts. Automaton has 26215 states and 37639 transitions. Word has length 109 [2021-11-25 20:23:29,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:29,892 INFO L470 AbstractCegarLoop]: Abstraction has 26215 states and 37639 transitions. [2021-11-25 20:23:29,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 20:23:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand 26215 states and 37639 transitions. [2021-11-25 20:23:29,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-25 20:23:29,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:29,894 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:29,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 20:23:29,894 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-25 20:23:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1065801554, now seen corresponding path program 1 times [2021-11-25 20:23:29,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:29,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921326995] [2021-11-25 20:23:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:29,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:23:30,161 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:30,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921326995] [2021-11-25 20:23:30,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921326995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:30,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:30,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:30,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019302969] [2021-11-25 20:23:30,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:30,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:30,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:30,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:30,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:30,166 INFO L87 Difference]: Start difference. First operand 26215 states and 37639 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) [2021-11-25 20:23:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:34,726 INFO L93 Difference]: Finished difference Result 26215 states and 37639 transitions. [2021-11-25 20:23:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:34,727 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 111 [2021-11-25 20:23:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:34,800 INFO L225 Difference]: With dead ends: 26215 [2021-11-25 20:23:34,800 INFO L226 Difference]: Without dead ends: 26213 [2021-11-25 20:23:34,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:34,812 INFO L933 BasicCegarLoop]: 4395 mSDtfsCounter, 4905 mSDsluCounter, 4938 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4907 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:34,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4907 Valid, 8790 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 20:23:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26213 states.