./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/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_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:00:25,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:00:25,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:00:25,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:00:25,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:00:25,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:00:25,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:00:25,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:00:25,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:00:25,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:00:25,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:00:25,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:00:25,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:00:26,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:00:26,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:00:26,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:00:26,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:00:26,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:00:26,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:00:26,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:00:26,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:00:26,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:00:26,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:00:26,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:00:26,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:00:26,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:00:26,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:00:26,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:00:26,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:00:26,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:00:26,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:00:26,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:00:26,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:00:26,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:00:26,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:00:26,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:00:26,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:00:26,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:00:26,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:00:26,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:00:26,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:00:26,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:00:26,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:00:26,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:00:26,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:00:26,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:00:26,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:00:26,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:00:26,117 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:00:26,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:00:26,118 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:00:26,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:00:26,119 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:00:26,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:00:26,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:00:26,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:00:26,120 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:00:26,121 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:00:26,121 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:00:26,121 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:00:26,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:00:26,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:00:26,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:00:26,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:00:26,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:00:26,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:00:26,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:00:26,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:00:26,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:00:26,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:00:26,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:00:26,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:00:26,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:00:26,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:00:26,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:00:26,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:00:26,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:00:26,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:00:26,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:00:26,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:00:26,128 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_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 [2021-11-21 00:00:26,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:00:26,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:00:26,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:00:26,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:00:26,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:00:26,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-21 00:00:26,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/data/319634305/0c8dfd3f6ef943f4a12ef3512a00f512/FLAG02eb77cd0 [2021-11-21 00:00:27,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:00:27,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-21 00:00:27,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/data/319634305/0c8dfd3f6ef943f4a12ef3512a00f512/FLAG02eb77cd0 [2021-11-21 00:00:27,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/data/319634305/0c8dfd3f6ef943f4a12ef3512a00f512 [2021-11-21 00:00:27,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:00:27,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:00:27,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:00:27,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:00:27,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:00:27,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:00:27" (1/1) ... [2021-11-21 00:00:27,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3361fa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:27, skipping insertion in model container [2021-11-21 00:00:27,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:00:27" (1/1) ... [2021-11-21 00:00:27,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:00:28,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:00:36,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-11-21 00:00:36,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-11-21 00:00:36,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-11-21 00:00:36,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-11-21 00:00:36,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-11-21 00:00:36,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-11-21 00:00:36,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-11-21 00:00:36,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-11-21 00:00:36,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-11-21 00:00:36,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-11-21 00:00:36,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-11-21 00:00:36,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-11-21 00:00:36,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-11-21 00:00:36,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-11-21 00:00:36,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-11-21 00:00:36,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-11-21 00:00:36,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-11-21 00:00:36,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-11-21 00:00:36,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-11-21 00:00:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-11-21 00:00:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-11-21 00:00:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-11-21 00:00:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-11-21 00:00:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-11-21 00:00:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-11-21 00:00:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-11-21 00:00:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-11-21 00:00:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-11-21 00:00:36,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-11-21 00:00:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-11-21 00:00:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-11-21 00:00:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-11-21 00:00:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-11-21 00:00:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-11-21 00:00:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-11-21 00:00:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-11-21 00:00:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-11-21 00:00:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-11-21 00:00:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-11-21 00:00:36,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-11-21 00:00:36,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-11-21 00:00:36,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-11-21 00:00:36,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-11-21 00:00:36,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-11-21 00:00:36,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-11-21 00:00:36,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-11-21 00:00:36,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-11-21 00:00:36,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-11-21 00:00:36,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-11-21 00:00:36,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-11-21 00:00:36,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-11-21 00:00:36,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-11-21 00:00:36,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-11-21 00:00:36,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-11-21 00:00:36,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-11-21 00:00:36,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-11-21 00:00:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-11-21 00:00:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-11-21 00:00:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-11-21 00:00:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-11-21 00:00:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-11-21 00:00:36,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-11-21 00:00:36,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-11-21 00:00:36,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-11-21 00:00:36,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-11-21 00:00:36,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-11-21 00:00:36,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-11-21 00:00:36,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-11-21 00:00:36,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-11-21 00:00:36,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-11-21 00:00:36,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-11-21 00:00:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-11-21 00:00:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-11-21 00:00:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-11-21 00:00:36,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-11-21 00:00:36,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-11-21 00:00:36,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-11-21 00:00:36,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-11-21 00:00:36,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-11-21 00:00:36,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-11-21 00:00:36,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-11-21 00:00:36,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-11-21 00:00:36,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-11-21 00:00:36,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-11-21 00:00:36,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-11-21 00:00:36,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-11-21 00:00:36,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-11-21 00:00:36,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-11-21 00:00:36,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:00:36,978 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:00:37,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-11-21 00:00:37,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-11-21 00:00:37,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-11-21 00:00:37,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-11-21 00:00:37,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-11-21 00:00:37,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-11-21 00:00:37,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-11-21 00:00:37,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-11-21 00:00:37,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-11-21 00:00:37,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-11-21 00:00:37,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-11-21 00:00:37,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-11-21 00:00:37,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-11-21 00:00:37,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-11-21 00:00:37,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-11-21 00:00:37,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-11-21 00:00:37,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-11-21 00:00:37,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-11-21 00:00:37,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-11-21 00:00:37,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-11-21 00:00:37,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-11-21 00:00:37,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-11-21 00:00:37,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-11-21 00:00:37,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-11-21 00:00:37,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-11-21 00:00:37,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-11-21 00:00:37,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-11-21 00:00:37,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-11-21 00:00:37,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-11-21 00:00:37,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-11-21 00:00:37,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-11-21 00:00:37,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-11-21 00:00:37,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-11-21 00:00:37,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-11-21 00:00:37,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-11-21 00:00:37,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-11-21 00:00:37,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-11-21 00:00:37,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-11-21 00:00:37,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-11-21 00:00:37,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-11-21 00:00:37,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-11-21 00:00:37,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-11-21 00:00:37,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-11-21 00:00:37,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-11-21 00:00:37,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-11-21 00:00:37,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-11-21 00:00:37,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-11-21 00:00:37,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-11-21 00:00:37,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-11-21 00:00:37,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-11-21 00:00:37,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-11-21 00:00:37,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-11-21 00:00:37,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-11-21 00:00:37,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-11-21 00:00:37,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-11-21 00:00:37,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-11-21 00:00:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-11-21 00:00:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-11-21 00:00:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-11-21 00:00:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-11-21 00:00:37,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-11-21 00:00:37,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-11-21 00:00:37,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-11-21 00:00:37,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-11-21 00:00:37,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-11-21 00:00:37,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-11-21 00:00:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-11-21 00:00:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-11-21 00:00:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-11-21 00:00:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-11-21 00:00:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-11-21 00:00:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-11-21 00:00:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-11-21 00:00:37,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-11-21 00:00:37,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-11-21 00:00:37,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-11-21 00:00:37,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-11-21 00:00:37,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-11-21 00:00:37,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-11-21 00:00:37,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-11-21 00:00:37,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-11-21 00:00:37,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-11-21 00:00:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-11-21 00:00:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-11-21 00:00:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-11-21 00:00:37,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-11-21 00:00:37,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-11-21 00:00:37,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-11-21 00:00:37,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:00:38,434 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:00:38,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38 WrapperNode [2021-11-21 00:00:38,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:00:38,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:00:38,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:00:38,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:00:38,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:38,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,143 INFO L137 Inliner]: procedures = 1031, calls = 5477, calls flagged for inlining = 517, calls inlined = 430, statements flattened = 14053 [2021-11-21 00:00:39,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:00:39,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:00:39,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:00:39,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:00:39,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:00:39,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:00:39,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:00:39,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:00:39,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (1/1) ... [2021-11-21 00:00:39,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:00:39,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:00:39,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:00:39,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:00:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-21 00:00:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-21 00:00:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_align_high [2021-11-21 00:00:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_align_high [2021-11-21 00:00:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-21 00:00:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-21 00:00:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_open [2021-11-21 00:00:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_open [2021-11-21 00:00:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-11-21 00:00:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-11-21 00:00:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:00:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:00:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_22 [2021-11-21 00:00:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_22 [2021-11-21 00:00:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_23 [2021-11-21 00:00:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_23 [2021-11-21 00:00:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-21 00:00:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-21 00:00:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure mic_max_system_memory [2021-11-21 00:00:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_max_system_memory [2021-11-21 00:00:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:00:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:00:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure mic_system_page_mask [2021-11-21 00:00:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_system_page_mask [2021-11-21 00:00:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure mic_remove [2021-11-21 00:00:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_remove [2021-11-21 00:00:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:00:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:00:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-21 00:00:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-21 00:00:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure cmdline_store [2021-11-21 00:00:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdline_store [2021-11-21 00:00:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_is_fw_ready [2021-11-21 00:00:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_is_fw_ready [2021-11-21 00:00:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-21 00:00:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-21 00:00:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:00:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:00:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-21 00:00:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-21 00:00:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_write_spad [2021-11-21 00:00:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_write_spad [2021-11-21 00:00:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_offset [2021-11-21 00:00:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_offset [2021-11-21 00:00:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_single [2021-11-21 00:00:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_single [2021-11-21 00:00:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_iov_consumed [2021-11-21 00:00:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_iov_consumed [2021-11-21 00:00:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_program_msi_to_src_map [2021-11-21 00:00:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_program_msi_to_src_map [2021-11-21 00:00:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:00:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:00:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-21 00:00:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-21 00:00:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_release [2021-11-21 00:00:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_release [2021-11-21 00:00:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_intr [2021-11-21 00:00:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_intr [2021-11-21 00:00:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mbus_unregister_device [2021-11-21 00:00:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mbus_unregister_device [2021-11-21 00:00:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_configspace [2021-11-21 00:00:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_configspace [2021-11-21 00:00:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dev [2021-11-21 00:00:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dev [2021-11-21 00:00:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-21 00:00:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-21 00:00:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:00:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:00:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:00:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:00:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 00:00:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 00:00:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_reset [2021-11-21 00:00:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_reset [2021-11-21 00:00:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:00:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:00:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_23 [2021-11-21 00:00:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_23 [2021-11-21 00:00:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_22 [2021-11-21 00:00:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_22 [2021-11-21 00:00:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-21 00:00:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-21 00:00:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:00:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:00:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:00:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:00:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2021-11-21 00:00:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2021-11-21 00:00:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:00:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:00:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:00:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_ack_interrupt [2021-11-21 00:00:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_ack_interrupt [2021-11-21 00:00:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_set [2021-11-21 00:00:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_set [2021-11-21 00:00:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-11-21 00:00:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-11-21 00:00:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:00:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:00:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure mic_desc_size [2021-11-21 00:00:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_desc_size [2021-11-21 00:00:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-21 00:00:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-21 00:00:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 00:00:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 00:00:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:00:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:00:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_open [2021-11-21 00:00:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_open [2021-11-21 00:00:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:00:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:00:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-21 00:00:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-21 00:00:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:00:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:00:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:00:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:00:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:00:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_open [2021-11-21 00:00:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_open [2021-11-21 00:00:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure mic_unmap_single [2021-11-21 00:00:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_unmap_single [2021-11-21 00:00:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-21 00:00:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-21 00:00:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_irq [2021-11-21 00:00:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_irq [2021-11-21 00:00:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_firmware_intr [2021-11-21 00:00:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_firmware_intr [2021-11-21 00:00:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_msi_enabled [2021-11-21 00:00:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_msi_enabled [2021-11-21 00:00:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure mbdev_to_mdev [2021-11-21 00:00:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mbdev_to_mdev [2021-11-21 00:00:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_load_firmware [2021-11-21 00:00:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_load_firmware [2021-11-21 00:00:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-11-21 00:00:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-11-21 00:00:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_free_irq [2021-11-21 00:00:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_free_irq [2021-11-21 00:00:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_open [2021-11-21 00:00:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_open [2021-11-21 00:00:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_map_page [2021-11-21 00:00:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_map_page [2021-11-21 00:00:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:00:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:00:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure vringh16_to_cpu [2021-11-21 00:00:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh16_to_cpu [2021-11-21 00:00:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-21 00:00:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-21 00:00:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:00:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:00:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_uninit [2021-11-21 00:00:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_uninit [2021-11-21 00:00:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:00:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:00:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_error [2021-11-21 00:00:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_error [2021-11-21 00:00:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_intr_init [2021-11-21 00:00:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_intr_init [2021-11-21 00:00:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 00:00:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 00:00:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-11-21 00:00:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-11-21 00:00:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_release [2021-11-21 00:00:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_release [2021-11-21 00:00:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:00:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:00:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:00:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_len_store [2021-11-21 00:00:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_len_store [2021-11-21 00:00:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2021-11-21 00:00:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2021-11-21 00:00:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset_trigger_work [2021-11-21 00:00:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset_trigger_work [2021-11-21 00:00:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2021-11-21 00:00:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2021-11-21 00:00:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_4 [2021-11-21 00:00:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_4 [2021-11-21 00:00:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_3 [2021-11-21 00:00:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_3 [2021-11-21 00:00:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_6 [2021-11-21 00:00:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_6 [2021-11-21 00:00:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init [2021-11-21 00:00:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init [2021-11-21 00:00:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_5 [2021-11-21 00:00:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_5 [2021-11-21 00:00:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_7 [2021-11-21 00:00:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_7 [2021-11-21 00:00:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure mic_delete_debug_dir [2021-11-21 00:00:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_delete_debug_dir [2021-11-21 00:00:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-21 00:00:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-21 00:00:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2021-11-21 00:00:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2021-11-21 00:00:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 00:00:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 00:00:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-21 00:00:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-21 00:00:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_23 [2021-11-21 00:00:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_23 [2021-11-21 00:00:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:00:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:00:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-21 00:00:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-21 00:00:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:00:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:00:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:00:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:00:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:00:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:00:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:00:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:00:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:00:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-11-21 00:00:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-11-21 00:00:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-21 00:00:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-21 00:00:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:00:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure mic_ioctl [2021-11-21 00:00:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_ioctl [2021-11-21 00:00:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-21 00:00:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-21 00:00:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure mic_notify [2021-11-21 00:00:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_notify [2021-11-21 00:00:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_102 [2021-11-21 00:00:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_102 [2021-11-21 00:00:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-11-21 00:00:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-11-21 00:00:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure ida_destroy [2021-11-21 00:00:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_destroy [2021-11-21 00:00:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sys_addr_to_smpt [2021-11-21 00:00:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sys_addr_to_smpt [2021-11-21 00:00:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-11-21 00:00:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-11-21 00:00:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-21 00:00:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-21 00:00:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-21 00:00:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-21 00:00:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-21 00:00:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-21 00:00:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:00:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:00:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 00:00:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 00:00:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:00:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:00:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:00:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:00:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:00:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:00:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure vring_size [2021-11-21 00:00:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_size [2021-11-21 00:00:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_shutdown_status [2021-11-21 00:00:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_shutdown_status [2021-11-21 00:00:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:00:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:00:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:00:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-11-21 00:00:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-11-21 00:00:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:00:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:00:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmap [2021-11-21 00:00:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmap [2021-11-21 00:00:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_enable_interrupts [2021-11-21 00:00:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_enable_interrupts [2021-11-21 00:00:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_98 [2021-11-21 00:00:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_98 [2021-11-21 00:00:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure ramdisk_store [2021-11-21 00:00:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ramdisk_store [2021-11-21 00:00:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-21 00:00:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-21 00:00:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure mic_request_threaded_irq [2021-11-21 00:00:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_request_threaded_irq [2021-11-21 00:00:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 00:00:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 00:00:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_inited [2021-11-21 00:00:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_inited [2021-11-21 00:00:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_uninit [2021-11-21 00:00:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_uninit [2021-11-21 00:00:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:00:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:00:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-21 00:00:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-21 00:00:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_addr_store [2021-11-21 00:00:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_addr_store [2021-11-21 00:00:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure mic_next_db [2021-11-21 00:00:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_next_db [2021-11-21 00:00:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-11-21 00:00:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-11-21 00:00:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-21 00:00:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-21 00:00:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-21 00:00:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-21 00:00:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-21 00:00:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-21 00:00:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-21 00:00:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-21 00:00:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:00:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:00:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:00:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:00:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:00:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:00:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_22 [2021-11-21 00:00:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_22 [2021-11-21 00:00:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_23 [2021-11-21 00:00:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_23 [2021-11-21 00:00:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_write [2021-11-21 00:00:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_write [2021-11-21 00:00:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_cleanup [2021-11-21 00:00:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_cleanup [2021-11-21 00:00:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:00:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:00:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_open [2021-11-21 00:00:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_open [2021-11-21 00:00:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 00:00:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 00:00:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_release [2021-11-21 00:00:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_release [2021-11-21 00:00:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_disable_interrupts [2021-11-21 00:00:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_disable_interrupts [2021-11-21 00:00:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdevup [2021-11-21 00:00:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdevup [2021-11-21 00:00:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:00:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:00:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure mic_exit_debugfs [2021-11-21 00:00:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_exit_debugfs [2021-11-21 00:00:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_copy [2021-11-21 00:00:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_copy [2021-11-21 00:00:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:00:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:00:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-11-21 00:00:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-11-21 00:00:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure bootmode_store [2021-11-21 00:00:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bootmode_store [2021-11-21 00:00:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:00:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:00:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_get_postcode [2021-11-21 00:00:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_get_postcode [2021-11-21 00:00:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:00:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:00:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-21 00:00:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-21 00:00:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_features [2021-11-21 00:00:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_features [2021-11-21 00:00:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:00:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:00:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:00:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:00:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:00:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure state_store [2021-11-21 00:00:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure state_store [2021-11-21 00:00:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure mic_get_smpt_ref_count [2021-11-21 00:00:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_get_smpt_ref_count [2021-11-21 00:00:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 00:00:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 00:00:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_22 [2021-11-21 00:00:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_22 [2021-11-21 00:00:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_open [2021-11-21 00:00:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_open [2021-11-21 00:00:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_23 [2021-11-21 00:00:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_23 [2021-11-21 00:00:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:00:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:00:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:00:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-21 00:00:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-21 00:00:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:00:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:00:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:00:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure mbus_unregister_device [2021-11-21 00:00:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mbus_unregister_device [2021-11-21 00:00:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:00:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:00:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure mic_poll [2021-11-21 00:00:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_poll [2021-11-21 00:00:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:00:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:00:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_reset_fw_ready [2021-11-21 00:00:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_reset_fw_ready [2021-11-21 00:00:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 00:00:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 00:00:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:00:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:00:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:00:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:00:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure mic_interrupt [2021-11-21 00:00:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_interrupt [2021-11-21 00:00:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:00:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:00:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_spad [2021-11-21 00:00:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_spad [2021-11-21 00:00:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-21 00:00:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-21 00:00:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 00:00:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 00:00:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:00:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:00:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure mic_stop [2021-11-21 00:00:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_stop [2021-11-21 00:00:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-21 00:00:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-21 00:00:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-21 00:00:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-21 00:00:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:00:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:00:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure mic_setup_callbacks [2021-11-21 00:00:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_setup_callbacks [2021-11-21 00:00:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_put [2021-11-21 00:00:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_put [2021-11-21 00:00:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-11-21 00:00:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-11-21 00:00:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release [2021-11-21 00:00:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release [2021-11-21 00:00:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:00:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:00:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure vringh32_to_cpu [2021-11-21 00:00:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh32_to_cpu [2021-11-21 00:00:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:00:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:00:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_release [2021-11-21 00:00:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_release [2021-11-21 00:00:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_23 [2021-11-21 00:00:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_23 [2021-11-21 00:00:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_22 [2021-11-21 00:00:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_22 [2021-11-21 00:00:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-11-21 00:00:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-11-21 00:00:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure mic_probe [2021-11-21 00:00:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_probe [2021-11-21 00:00:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 00:00:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 00:00:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure mic_virtio_device_reset [2021-11-21 00:00:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_virtio_device_reset [2021-11-21 00:00:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-21 00:00:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-21 00:00:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_read [2021-11-21 00:00:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_read [2021-11-21 00:00:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:00:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:00:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 00:00:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 00:00:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-21 00:00:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-21 00:00:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-21 00:00:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-21 00:00:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-21 00:00:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-21 00:00:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_intr_workarounds [2021-11-21 00:00:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_intr_workarounds [2021-11-21 00:00:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-21 00:00:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-21 00:00:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:00:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:00:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:00:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release_callbacks [2021-11-21 00:00:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release_callbacks [2021-11-21 00:00:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:00:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:00:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-21 00:00:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-21 00:00:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_release [2021-11-21 00:00:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_release [2021-11-21 00:00:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_103 [2021-11-21 00:00:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_103 [2021-11-21 00:00:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:00:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:00:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_open [2021-11-21 00:00:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_open [2021-11-21 00:00:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-11-21 00:00:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-11-21 00:00:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_msi_to_src_map [2021-11-21 00:00:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_msi_to_src_map [2021-11-21 00:00:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-21 00:00:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-21 00:00:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-21 00:00:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-21 00:00:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_23 [2021-11-21 00:00:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_23 [2021-11-21 00:00:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2021-11-21 00:00:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2021-11-21 00:00:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_state [2021-11-21 00:00:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_state [2021-11-21 00:00:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_init [2021-11-21 00:00:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_init [2021-11-21 00:00:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure mic_is_system_addr [2021-11-21 00:00:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_is_system_addr [2021-11-21 00:00:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_config [2021-11-21 00:00:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_config [2021-11-21 00:00:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:00:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:00:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:00:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sync_dma [2021-11-21 00:00:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sync_dma [2021-11-21 00:00:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 00:00:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 00:00:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:00:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:00:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:00:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:00:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:00:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:00:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 00:00:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 00:00:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 00:00:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 00:00:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-21 00:00:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-21 00:00:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure mic_open [2021-11-21 00:00:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_open [2021-11-21 00:00:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure mic_device_uninit [2021-11-21 00:00:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_device_uninit [2021-11-21 00:00:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_unmap_page [2021-11-21 00:00:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_unmap_page [2021-11-21 00:00:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mic_bootparam_init [2021-11-21 00:00:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_bootparam_init [2021-11-21 00:00:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:00:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:00:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_release [2021-11-21 00:00:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_release [2021-11-21 00:00:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mic_thread_fn [2021-11-21 00:00:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_thread_fn [2021-11-21 00:00:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-21 00:00:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-21 00:00:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:00:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:00:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure mic_total_desc_size [2021-11-21 00:00:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_total_desc_size [2021-11-21 00:00:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure firmware_store [2021-11-21 00:00:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure firmware_store [2021-11-21 00:00:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ida_init [2021-11-21 00:00:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_init [2021-11-21 00:00:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:00:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:00:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:00:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:00:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:00:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:00:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_release [2021-11-21 00:00:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_release [2021-11-21 00:00:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset [2021-11-21 00:00:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset [2021-11-21 00:00:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:00:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:00:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:00:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:00:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_interrupts [2021-11-21 00:00:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_interrupts [2021-11-21 00:00:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-11-21 00:00:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-11-21 00:00:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:00:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:00:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-21 00:00:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-21 00:00:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 00:00:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 00:00:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_ack_interrupt [2021-11-21 00:00:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_ack_interrupt [2021-11-21 00:00:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_get [2021-11-21 00:00:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_get [2021-11-21 00:00:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 00:00:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 00:00:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:00:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:00:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-21 00:00:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-21 00:00:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_hw_init [2021-11-21 00:00:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_hw_init [2021-11-21 00:00:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-21 00:00:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-21 00:00:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:00:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:00:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:00:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:00:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 00:00:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 00:00:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:00:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:00:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_24_1 [2021-11-21 00:00:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_24_1 [2021-11-21 00:00:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:00:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-21 00:00:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-21 00:00:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-21 00:00:41,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:00:41,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:00:42,019 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:01:01,719 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:01:03,730 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:01:03,730 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:01:03,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:01:03 BoogieIcfgContainer [2021-11-21 00:01:03,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:01:03,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:01:03,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:01:03,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:01:03,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:00:27" (1/3) ... [2021-11-21 00:01:03,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6208ee03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:01:03, skipping insertion in model container [2021-11-21 00:01:03,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:38" (2/3) ... [2021-11-21 00:01:03,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6208ee03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:01:03, skipping insertion in model container [2021-11-21 00:01:03,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:01:03" (3/3) ... [2021-11-21 00:01:03,752 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-11-21 00:01:03,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:01:03,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-11-21 00:01:03,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:01:03,855 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:01:03,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-11-21 00:01:03,958 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) [2021-11-21 00:01:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 00:01:03,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:03,964 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] [2021-11-21 00:01:03,965 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)] === [2021-11-21 00:01:03,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:03,971 INFO L85 PathProgramCache]: Analyzing trace with hash 230401212, now seen corresponding path program 1 times [2021-11-21 00:01:03,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:03,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766014345] [2021-11-21 00:01:03,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:03,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:01:04,940 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:04,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766014345] [2021-11-21 00:01:04,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766014345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:04,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:04,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:01:04,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139657076] [2021-11-21 00:01:04,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:04,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:01:04,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:04,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:01:04,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:01:05,001 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) [2021-11-21 00:01:18,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:01:18,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:18,859 INFO L93 Difference]: Finished difference Result 10715 states and 15739 transitions. [2021-11-21 00:01:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:01:18,862 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 [2021-11-21 00:01:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:18,960 INFO L225 Difference]: With dead ends: 10715 [2021-11-21 00:01:18,960 INFO L226 Difference]: Without dead ends: 7027 [2021-11-21 00:01:19,008 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 [2021-11-21 00:01:19,011 INFO L933 BasicCegarLoop]: 8921 mSDtfsCounter, 5046 mSDsluCounter, 24994 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s 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, 12.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:19,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5047 Valid, 31191 Invalid, 3829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3828 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2021-11-21 00:01:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7027 states. [2021-11-21 00:01:19,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7027 to 6939. [2021-11-21 00:01:19,597 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) [2021-11-21 00:01:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9801 transitions. [2021-11-21 00:01:19,678 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9801 transitions. Word has length 24 [2021-11-21 00:01:19,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:19,679 INFO L470 AbstractCegarLoop]: Abstraction has 6939 states and 9801 transitions. [2021-11-21 00:01:19,679 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) [2021-11-21 00:01:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9801 transitions. [2021-11-21 00:01:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 00:01:19,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:19,683 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] [2021-11-21 00:01:19,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:01:19,683 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)] === [2021-11-21 00:01:19,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1688091590, now seen corresponding path program 1 times [2021-11-21 00:01:19,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:19,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578620820] [2021-11-21 00:01:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:19,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-21 00:01:20,396 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:20,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578620820] [2021-11-21 00:01:20,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578620820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:20,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:20,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:01:20,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34211483] [2021-11-21 00:01:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:20,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:01:20,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:20,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:01:20,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:01:20,401 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) [2021-11-21 00:01:26,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:26,400 INFO L93 Difference]: Finished difference Result 6939 states and 9801 transitions. [2021-11-21 00:01:26,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:01:26,401 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 [2021-11-21 00:01:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:26,471 INFO L225 Difference]: With dead ends: 6939 [2021-11-21 00:01:26,472 INFO L226 Difference]: Without dead ends: 6937 [2021-11-21 00:01:26,479 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 [2021-11-21 00:01:26,480 INFO L933 BasicCegarLoop]: 4409 mSDtfsCounter, 4953 mSDsluCounter, 9903 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 13224 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:26,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4954 Valid, 13224 Invalid, 1646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-21 00:01:26,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6937 states. [2021-11-21 00:01:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6937 to 6937. [2021-11-21 00:01:26,941 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) [2021-11-21 00:01:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 9798 transitions. [2021-11-21 00:01:26,996 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 9798 transitions. Word has length 39 [2021-11-21 00:01:26,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:26,997 INFO L470 AbstractCegarLoop]: Abstraction has 6937 states and 9798 transitions. [2021-11-21 00:01:26,998 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) [2021-11-21 00:01:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 9798 transitions. [2021-11-21 00:01:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:01:27,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:27,009 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] [2021-11-21 00:01:27,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:01:27,010 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)] === [2021-11-21 00:01:27,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash 353161163, now seen corresponding path program 1 times [2021-11-21 00:01:27,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:27,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558176632] [2021-11-21 00:01:27,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:27,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 00:01:27,446 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:27,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558176632] [2021-11-21 00:01:27,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558176632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:27,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:27,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:01:27,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108829926] [2021-11-21 00:01:27,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:27,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:01:27,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:27,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:01:27,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:01:27,450 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) [2021-11-21 00:01:36,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:01:36,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:36,598 INFO L93 Difference]: Finished difference Result 11346 states and 16227 transitions. [2021-11-21 00:01:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:01:36,599 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 [2021-11-21 00:01:36,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:36,671 INFO L225 Difference]: With dead ends: 11346 [2021-11-21 00:01:36,671 INFO L226 Difference]: Without dead ends: 7844 [2021-11-21 00:01:36,697 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 [2021-11-21 00:01:36,698 INFO L933 BasicCegarLoop]: 5119 mSDtfsCounter, 659 mSDsluCounter, 15785 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s 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, 8.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:36,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [844 Valid, 19280 Invalid, 2797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [543 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2021-11-21 00:01:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2021-11-21 00:01:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 6822. [2021-11-21 00:01:37,168 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) [2021-11-21 00:01:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6822 states to 6822 states and 9622 transitions. [2021-11-21 00:01:37,205 INFO L78 Accepts]: Start accepts. Automaton has 6822 states and 9622 transitions. Word has length 65 [2021-11-21 00:01:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:37,206 INFO L470 AbstractCegarLoop]: Abstraction has 6822 states and 9622 transitions. [2021-11-21 00:01:37,206 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) [2021-11-21 00:01:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6822 states and 9622 transitions. [2021-11-21 00:01:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 00:01:37,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:37,210 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] [2021-11-21 00:01:37,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:01:37,211 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)] === [2021-11-21 00:01:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2063836760, now seen corresponding path program 1 times [2021-11-21 00:01:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:37,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041999728] [2021-11-21 00:01:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:37,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:01:37,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041999728] [2021-11-21 00:01:37,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041999728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:37,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:37,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:01:37,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92653251] [2021-11-21 00:01:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:37,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:01:37,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:01:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:01:37,670 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) [2021-11-21 00:01:44,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:44,103 INFO L93 Difference]: Finished difference Result 13514 states and 19277 transitions. [2021-11-21 00:01:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:01:44,104 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 [2021-11-21 00:01:44,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:44,212 INFO L225 Difference]: With dead ends: 13514 [2021-11-21 00:01:44,212 INFO L226 Difference]: Without dead ends: 13512 [2021-11-21 00:01:44,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:01:44,221 INFO L933 BasicCegarLoop]: 6795 mSDtfsCounter, 4909 mSDsluCounter, 12448 mSDsCounter, 0 mSdLazyCounter, 1952 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 18007 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:44,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4911 Valid, 18007 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1952 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-21 00:01:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13512 states. [2021-11-21 00:01:45,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13512 to 13222. [2021-11-21 00:01:45,133 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) [2021-11-21 00:01:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13222 states to 13222 states and 18953 transitions. [2021-11-21 00:01:45,235 INFO L78 Accepts]: Start accepts. Automaton has 13222 states and 18953 transitions. Word has length 74 [2021-11-21 00:01:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:45,236 INFO L470 AbstractCegarLoop]: Abstraction has 13222 states and 18953 transitions. [2021-11-21 00:01:45,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:01:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 13222 states and 18953 transitions. [2021-11-21 00:01:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 00:01:45,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:45,239 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] [2021-11-21 00:01:45,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:01:45,239 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)] === [2021-11-21 00:01:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:45,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1824389618, now seen corresponding path program 1 times [2021-11-21 00:01:45,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:45,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198971152] [2021-11-21 00:01:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:45,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 00:01:45,673 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:45,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198971152] [2021-11-21 00:01:45,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198971152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:45,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:45,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:01:45,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509959967] [2021-11-21 00:01:45,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:45,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:01:45,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:45,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:01:45,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:01:45,678 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) [2021-11-21 00:01:52,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:01:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:01:55,363 INFO L93 Difference]: Finished difference Result 26379 states and 37831 transitions. [2021-11-21 00:01:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:01:55,364 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 [2021-11-21 00:01:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:01:55,537 INFO L225 Difference]: With dead ends: 26379 [2021-11-21 00:01:55,538 INFO L226 Difference]: Without dead ends: 26377 [2021-11-21 00:01:55,559 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 [2021-11-21 00:01:55,560 INFO L933 BasicCegarLoop]: 6973 mSDtfsCounter, 4939 mSDsluCounter, 20308 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s 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, 8.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:01:55,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4940 Valid, 25278 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-11-21 00:01:55,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26377 states. [2021-11-21 00:01:57,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26377 to 26065. [2021-11-21 00:01:57,143 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) [2021-11-21 00:01:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26065 states to 26065 states and 37488 transitions. [2021-11-21 00:01:57,324 INFO L78 Accepts]: Start accepts. Automaton has 26065 states and 37488 transitions. Word has length 71 [2021-11-21 00:01:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:01:57,326 INFO L470 AbstractCegarLoop]: Abstraction has 26065 states and 37488 transitions. [2021-11-21 00:01:57,327 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) [2021-11-21 00:01:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26065 states and 37488 transitions. [2021-11-21 00:01:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 00:01:57,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:01:57,329 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] [2021-11-21 00:01:57,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:01:57,329 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)] === [2021-11-21 00:01:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:01:57,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1613337433, now seen corresponding path program 1 times [2021-11-21 00:01:57,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:01:57,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833235502] [2021-11-21 00:01:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:01:57,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:01:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:01:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:01:57,656 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:01:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833235502] [2021-11-21 00:01:57,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833235502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:01:57,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:01:57,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:01:57,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136224712] [2021-11-21 00:01:57,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:01:57,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:01:57,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:01:57,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:01:57,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:01:57,659 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) [2021-11-21 00:02:01,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:01,213 INFO L93 Difference]: Finished difference Result 26065 states and 37488 transitions. [2021-11-21 00:02:01,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:01,213 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 [2021-11-21 00:02:01,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:01,346 INFO L225 Difference]: With dead ends: 26065 [2021-11-21 00:02:01,346 INFO L226 Difference]: Without dead ends: 26063 [2021-11-21 00:02:01,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:01,359 INFO L933 BasicCegarLoop]: 4409 mSDtfsCounter, 4927 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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 [2021-11-21 00:02:01,359 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] [2021-11-21 00:02:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26063 states. [2021-11-21 00:02:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26063 to 26063. [2021-11-21 00:02:03,015 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) [2021-11-21 00:02:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26063 states to 26063 states and 37485 transitions. [2021-11-21 00:02:03,183 INFO L78 Accepts]: Start accepts. Automaton has 26063 states and 37485 transitions. Word has length 79 [2021-11-21 00:02:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:03,184 INFO L470 AbstractCegarLoop]: Abstraction has 26063 states and 37485 transitions. [2021-11-21 00:02:03,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:02:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 26063 states and 37485 transitions. [2021-11-21 00:02:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 00:02:03,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:03,186 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] [2021-11-21 00:02:03,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:02:03,187 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)] === [2021-11-21 00:02:03,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:03,187 INFO L85 PathProgramCache]: Analyzing trace with hash 469954590, now seen corresponding path program 1 times [2021-11-21 00:02:03,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:03,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683586287] [2021-11-21 00:02:03,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:03,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:02:03,738 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:03,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683586287] [2021-11-21 00:02:03,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683586287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:03,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:03,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:03,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395890854] [2021-11-21 00:02:03,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:03,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:03,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:03,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:03,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:03,740 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) [2021-11-21 00:02:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:07,218 INFO L93 Difference]: Finished difference Result 26063 states and 37485 transitions. [2021-11-21 00:02:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:07,219 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 [2021-11-21 00:02:07,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:07,350 INFO L225 Difference]: With dead ends: 26063 [2021-11-21 00:02:07,350 INFO L226 Difference]: Without dead ends: 26061 [2021-11-21 00:02:07,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:07,365 INFO L933 BasicCegarLoop]: 4407 mSDtfsCounter, 4924 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 8814 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:07,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4926 Valid, 8814 Invalid, 1089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:02:07,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26061 states. [2021-11-21 00:02:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26061 to 26061. [2021-11-21 00:02:09,053 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) [2021-11-21 00:02:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26061 states to 26061 states and 37482 transitions. [2021-11-21 00:02:09,331 INFO L78 Accepts]: Start accepts. Automaton has 26061 states and 37482 transitions. Word has length 84 [2021-11-21 00:02:09,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:09,331 INFO L470 AbstractCegarLoop]: Abstraction has 26061 states and 37482 transitions. [2021-11-21 00:02:09,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:02:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 26061 states and 37482 transitions. [2021-11-21 00:02:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 00:02:09,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:09,333 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] [2021-11-21 00:02:09,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:02:09,334 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)] === [2021-11-21 00:02:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash 210633141, now seen corresponding path program 1 times [2021-11-21 00:02:09,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:09,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674195730] [2021-11-21 00:02:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:09,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-21 00:02:09,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:09,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674195730] [2021-11-21 00:02:09,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674195730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:09,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:09,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:02:09,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112644636] [2021-11-21 00:02:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:09,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:02:09,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:09,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:02:09,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:09,636 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) [2021-11-21 00:02:14,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:14,061 INFO L93 Difference]: Finished difference Result 26061 states and 37482 transitions. [2021-11-21 00:02:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:02:14,067 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 [2021-11-21 00:02:14,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:14,207 INFO L225 Difference]: With dead ends: 26061 [2021-11-21 00:02:14,207 INFO L226 Difference]: Without dead ends: 26059 [2021-11-21 00:02:14,222 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 [2021-11-21 00:02:14,223 INFO L933 BasicCegarLoop]: 4401 mSDtfsCounter, 4928 mSDsluCounter, 9887 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:14,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 13200 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 00:02:14,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26059 states. [2021-11-21 00:02:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26059 to 26059. [2021-11-21 00:02:15,646 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) [2021-11-21 00:02:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26059 states to 26059 states and 37479 transitions. [2021-11-21 00:02:15,798 INFO L78 Accepts]: Start accepts. Automaton has 26059 states and 37479 transitions. Word has length 81 [2021-11-21 00:02:15,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:15,798 INFO L470 AbstractCegarLoop]: Abstraction has 26059 states and 37479 transitions. [2021-11-21 00:02:15,799 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) [2021-11-21 00:02:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 26059 states and 37479 transitions. [2021-11-21 00:02:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 00:02:15,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:15,801 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] [2021-11-21 00:02:15,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:02:15,801 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)] === [2021-11-21 00:02:15,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash -463428709, now seen corresponding path program 1 times [2021-11-21 00:02:15,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:15,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168274837] [2021-11-21 00:02:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:15,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:02:16,076 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:16,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168274837] [2021-11-21 00:02:16,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168274837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:16,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:16,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:16,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422181028] [2021-11-21 00:02:16,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:16,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:16,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:16,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:16,079 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) [2021-11-21 00:02:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:20,115 INFO L93 Difference]: Finished difference Result 26059 states and 37479 transitions. [2021-11-21 00:02:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:20,115 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 [2021-11-21 00:02:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:20,223 INFO L225 Difference]: With dead ends: 26059 [2021-11-21 00:02:20,223 INFO L226 Difference]: Without dead ends: 26057 [2021-11-21 00:02:20,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:20,238 INFO L933 BasicCegarLoop]: 4403 mSDtfsCounter, 4919 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:20,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4921 Valid, 8806 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 00:02:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26057 states. [2021-11-21 00:02:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26057 to 26057. [2021-11-21 00:02:21,635 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) [2021-11-21 00:02:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26057 states to 26057 states and 37476 transitions. [2021-11-21 00:02:21,740 INFO L78 Accepts]: Start accepts. Automaton has 26057 states and 37476 transitions. Word has length 89 [2021-11-21 00:02:21,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:21,740 INFO L470 AbstractCegarLoop]: Abstraction has 26057 states and 37476 transitions. [2021-11-21 00:02:21,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:02:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 26057 states and 37476 transitions. [2021-11-21 00:02:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 00:02:21,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:21,743 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] [2021-11-21 00:02:21,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:02:21,743 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)] === [2021-11-21 00:02:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -494925557, now seen corresponding path program 1 times [2021-11-21 00:02:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811915146] [2021-11-21 00:02:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:21,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-21 00:02:22,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:22,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811915146] [2021-11-21 00:02:22,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811915146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:22,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:22,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:02:22,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393555655] [2021-11-21 00:02:22,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:22,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:02:22,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:22,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:02:22,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:02:22,104 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) [2021-11-21 00:02:30,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:02:34,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:02:36,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:36,643 INFO L93 Difference]: Finished difference Result 39208 states and 56234 transitions. [2021-11-21 00:02:36,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:02:36,659 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 [2021-11-21 00:02:36,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:36,844 INFO L225 Difference]: With dead ends: 39208 [2021-11-21 00:02:36,845 INFO L226 Difference]: Without dead ends: 38953 [2021-11-21 00:02:36,870 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 [2021-11-21 00:02:36,871 INFO L933 BasicCegarLoop]: 6851 mSDtfsCounter, 4736 mSDsluCounter, 27616 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s 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, 12.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:36,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4736 Valid, 31742 Invalid, 3594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2021-11-21 00:02:36,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38953 states. [2021-11-21 00:02:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38953 to 25844. [2021-11-21 00:02:38,687 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) [2021-11-21 00:02:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25844 states to 25844 states and 37133 transitions. [2021-11-21 00:02:38,803 INFO L78 Accepts]: Start accepts. Automaton has 25844 states and 37133 transitions. Word has length 92 [2021-11-21 00:02:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:38,804 INFO L470 AbstractCegarLoop]: Abstraction has 25844 states and 37133 transitions. [2021-11-21 00:02:38,804 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) [2021-11-21 00:02:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 25844 states and 37133 transitions. [2021-11-21 00:02:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 00:02:38,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:38,806 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] [2021-11-21 00:02:38,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:02:38,806 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)] === [2021-11-21 00:02:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1557915027, now seen corresponding path program 1 times [2021-11-21 00:02:38,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:38,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738796118] [2021-11-21 00:02:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:38,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:02:39,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:39,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738796118] [2021-11-21 00:02:39,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738796118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:39,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:39,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:39,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617168413] [2021-11-21 00:02:39,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:39,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:39,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:39,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:39,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:39,089 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) [2021-11-21 00:02:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:45,914 INFO L93 Difference]: Finished difference Result 38981 states and 55984 transitions. [2021-11-21 00:02:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:02:45,915 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 [2021-11-21 00:02:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:46,066 INFO L225 Difference]: With dead ends: 38981 [2021-11-21 00:02:46,066 INFO L226 Difference]: Without dead ends: 38979 [2021-11-21 00:02:46,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:46,089 INFO L933 BasicCegarLoop]: 7034 mSDtfsCounter, 4917 mSDsluCounter, 12671 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:46,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4919 Valid, 18421 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-21 00:02:46,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38979 states. [2021-11-21 00:02:48,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38979 to 38749. [2021-11-21 00:02:48,173 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) [2021-11-21 00:02:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38749 states to 38749 states and 55733 transitions. [2021-11-21 00:02:48,534 INFO L78 Accepts]: Start accepts. Automaton has 38749 states and 55733 transitions. Word has length 94 [2021-11-21 00:02:48,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:48,535 INFO L470 AbstractCegarLoop]: Abstraction has 38749 states and 55733 transitions. [2021-11-21 00:02:48,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:02:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 38749 states and 55733 transitions. [2021-11-21 00:02:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 00:02:48,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:48,538 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] [2021-11-21 00:02:48,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:02:48,539 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)] === [2021-11-21 00:02:48,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:48,539 INFO L85 PathProgramCache]: Analyzing trace with hash 601817002, now seen corresponding path program 1 times [2021-11-21 00:02:48,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:48,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85774651] [2021-11-21 00:02:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:48,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-21 00:02:48,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85774651] [2021-11-21 00:02:48,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85774651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:48,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:48,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:48,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238726606] [2021-11-21 00:02:48,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:48,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:48,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:48,837 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) [2021-11-21 00:02:53,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:53,285 INFO L93 Difference]: Finished difference Result 38773 states and 55761 transitions. [2021-11-21 00:02:53,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:53,286 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 [2021-11-21 00:02:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:53,427 INFO L225 Difference]: With dead ends: 38773 [2021-11-21 00:02:53,428 INFO L226 Difference]: Without dead ends: 38771 [2021-11-21 00:02:53,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:53,448 INFO L933 BasicCegarLoop]: 4402 mSDtfsCounter, 4912 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:53,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4912 Valid, 8803 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 00:02:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38771 states. [2021-11-21 00:02:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38771 to 38747. [2021-11-21 00:02:55,660 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) [2021-11-21 00:02:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38747 states to 38747 states and 55720 transitions. [2021-11-21 00:02:55,885 INFO L78 Accepts]: Start accepts. Automaton has 38747 states and 55720 transitions. Word has length 97 [2021-11-21 00:02:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:55,886 INFO L470 AbstractCegarLoop]: Abstraction has 38747 states and 55720 transitions. [2021-11-21 00:02:55,887 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) [2021-11-21 00:02:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 38747 states and 55720 transitions. [2021-11-21 00:02:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 00:02:55,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:55,890 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] [2021-11-21 00:02:55,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:02:55,890 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)] === [2021-11-21 00:02:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:55,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1105754642, now seen corresponding path program 1 times [2021-11-21 00:02:55,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:55,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894820443] [2021-11-21 00:02:55,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:55,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:02:56,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:56,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894820443] [2021-11-21 00:02:56,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894820443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:56,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:56,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:56,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798114070] [2021-11-21 00:02:56,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:56,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:56,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:56,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:56,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:56,208 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) [2021-11-21 00:03:02,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:04,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:04,819 INFO L93 Difference]: Finished difference Result 38852 states and 55810 transitions. [2021-11-21 00:03:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:03:04,820 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 [2021-11-21 00:03:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:04,929 INFO L225 Difference]: With dead ends: 38852 [2021-11-21 00:03:04,929 INFO L226 Difference]: Without dead ends: 38850 [2021-11-21 00:03:04,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:04,941 INFO L933 BasicCegarLoop]: 8503 mSDtfsCounter, 4729 mSDsluCounter, 14427 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 7.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:04,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4731 Valid, 21341 Invalid, 2652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-11-21 00:03:04,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38850 states. [2021-11-21 00:03:06,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38850 to 38763. [2021-11-21 00:03:06,952 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) [2021-11-21 00:03:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38763 states to 38763 states and 55735 transitions. [2021-11-21 00:03:07,135 INFO L78 Accepts]: Start accepts. Automaton has 38763 states and 55735 transitions. Word has length 99 [2021-11-21 00:03:07,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:07,136 INFO L470 AbstractCegarLoop]: Abstraction has 38763 states and 55735 transitions. [2021-11-21 00:03:07,136 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) [2021-11-21 00:03:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 38763 states and 55735 transitions. [2021-11-21 00:03:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 00:03:07,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:07,139 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] [2021-11-21 00:03:07,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:03:07,139 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)] === [2021-11-21 00:03:07,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1690743168, now seen corresponding path program 1 times [2021-11-21 00:03:07,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:07,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872289859] [2021-11-21 00:03:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:07,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-21 00:03:08,535 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:08,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872289859] [2021-11-21 00:03:08,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872289859] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:03:08,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594984465] [2021-11-21 00:03:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:08,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:03:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:03:08,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:03:08,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:03:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:10,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 5059 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-21 00:03:10,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:03:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-21 00:03:10,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:03:10,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594984465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:10,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:03:10,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [22] total 30 [2021-11-21 00:03:10,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872405611] [2021-11-21 00:03:10,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:10,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 00:03:10,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:10,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 00:03:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-11-21 00:03:10,893 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) [2021-11-21 00:03:27,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:30,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:32,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:35,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:35,526 INFO L93 Difference]: Finished difference Result 51723 states and 74330 transitions. [2021-11-21 00:03:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-21 00:03:35,527 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 [2021-11-21 00:03:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:35,615 INFO L225 Difference]: With dead ends: 51723 [2021-11-21 00:03:35,615 INFO L226 Difference]: Without dead ends: 26308 [2021-11-21 00:03:35,762 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 [2021-11-21 00:03:35,763 INFO L933 BasicCegarLoop]: 4434 mSDtfsCounter, 57 mSDsluCounter, 59225 mSDsCounter, 0 mSdLazyCounter, 8059 mSolverCounterSat, 293 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 57184 SdHoareTripleChecker+Invalid, 8355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 8059 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:35,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 57184 Invalid, 8355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [293 Valid, 8059 Invalid, 3 Unknown, 0 Unchecked, 22.6s Time] [2021-11-21 00:03:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26308 states. [2021-11-21 00:03:37,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26308 to 26226. [2021-11-21 00:03:37,313 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) [2021-11-21 00:03:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26226 states to 26226 states and 37652 transitions. [2021-11-21 00:03:37,440 INFO L78 Accepts]: Start accepts. Automaton has 26226 states and 37652 transitions. Word has length 100 [2021-11-21 00:03:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:37,441 INFO L470 AbstractCegarLoop]: Abstraction has 26226 states and 37652 transitions. [2021-11-21 00:03:37,441 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) [2021-11-21 00:03:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 26226 states and 37652 transitions. [2021-11-21 00:03:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:03:37,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:37,444 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] [2021-11-21 00:03:37,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:03:37,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a389b8-4ee9-4738-88a0-1333bcdedf63/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-21 00:03:37,671 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)] === [2021-11-21 00:03:37,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:37,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1719764466, now seen corresponding path program 1 times [2021-11-21 00:03:37,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:37,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61577327] [2021-11-21 00:03:37,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:37,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:03:38,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:38,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61577327] [2021-11-21 00:03:38,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61577327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:38,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:38,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:03:38,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265595290] [2021-11-21 00:03:38,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:38,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:03:38,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:38,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:03:38,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:03:38,149 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) [2021-11-21 00:03:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:42,030 INFO L93 Difference]: Finished difference Result 26226 states and 37652 transitions. [2021-11-21 00:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:03:42,031 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 [2021-11-21 00:03:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:42,121 INFO L225 Difference]: With dead ends: 26226 [2021-11-21 00:03:42,122 INFO L226 Difference]: Without dead ends: 26224 [2021-11-21 00:03:42,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:42,135 INFO L933 BasicCegarLoop]: 4399 mSDtfsCounter, 4912 mSDsluCounter, 4942 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:42,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4914 Valid, 8798 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 00:03:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26224 states. [2021-11-21 00:03:43,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26224 to 26224. [2021-11-21 00:03:43,710 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) [2021-11-21 00:03:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26224 states to 26224 states and 37649 transitions. [2021-11-21 00:03:43,831 INFO L78 Accepts]: Start accepts. Automaton has 26224 states and 37649 transitions. Word has length 104 [2021-11-21 00:03:43,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:43,832 INFO L470 AbstractCegarLoop]: Abstraction has 26224 states and 37649 transitions. [2021-11-21 00:03:43,832 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) [2021-11-21 00:03:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 26224 states and 37649 transitions. [2021-11-21 00:03:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:03:43,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:43,835 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] [2021-11-21 00:03:43,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:03:43,835 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)] === [2021-11-21 00:03:43,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:43,836 INFO L85 PathProgramCache]: Analyzing trace with hash -391336542, now seen corresponding path program 1 times [2021-11-21 00:03:43,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:43,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227354795] [2021-11-21 00:03:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:43,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 00:03:44,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:44,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227354795] [2021-11-21 00:03:44,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227354795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:44,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:44,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:03:44,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417053764] [2021-11-21 00:03:44,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:44,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:03:44,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:44,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:03:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:03:44,129 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) [2021-11-21 00:03:50,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:50,169 INFO L93 Difference]: Finished difference Result 26293 states and 37701 transitions. [2021-11-21 00:03:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:03:50,170 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 [2021-11-21 00:03:50,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:50,248 INFO L225 Difference]: With dead ends: 26293 [2021-11-21 00:03:50,248 INFO L226 Difference]: Without dead ends: 26291 [2021-11-21 00:03:50,262 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 [2021-11-21 00:03:50,263 INFO L933 BasicCegarLoop]: 7130 mSDtfsCounter, 4848 mSDsluCounter, 12737 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 18492 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:50,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4848 Valid, 18492 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-21 00:03:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26291 states. [2021-11-21 00:03:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26291 to 26236. [2021-11-21 00:03:51,733 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) [2021-11-21 00:03:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26236 states to 26236 states and 37665 transitions. [2021-11-21 00:03:51,836 INFO L78 Accepts]: Start accepts. Automaton has 26236 states and 37665 transitions. Word has length 104 [2021-11-21 00:03:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:51,837 INFO L470 AbstractCegarLoop]: Abstraction has 26236 states and 37665 transitions. [2021-11-21 00:03:51,837 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) [2021-11-21 00:03:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 26236 states and 37665 transitions. [2021-11-21 00:03:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 00:03:51,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:51,839 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] [2021-11-21 00:03:51,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:03:51,839 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)] === [2021-11-21 00:03:51,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash 305752945, now seen corresponding path program 1 times [2021-11-21 00:03:51,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:51,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060301255] [2021-11-21 00:03:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:51,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:03:52,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:52,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060301255] [2021-11-21 00:03:52,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060301255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:52,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:52,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:03:52,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656301517] [2021-11-21 00:03:52,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:52,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:03:52,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:52,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:03:52,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:52,069 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) [2021-11-21 00:03:59,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:04:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:00,156 INFO L93 Difference]: Finished difference Result 26429 states and 37904 transitions. [2021-11-21 00:04:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:04:00,157 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 [2021-11-21 00:04:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:00,257 INFO L225 Difference]: With dead ends: 26429 [2021-11-21 00:04:00,258 INFO L226 Difference]: Without dead ends: 26274 [2021-11-21 00:04:00,271 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 [2021-11-21 00:04:00,272 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 902 mSDsluCounter, 14293 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 6.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:00,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [902 Valid, 17782 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-21 00:04:00,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26274 states. [2021-11-21 00:04:01,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26274 to 26217. [2021-11-21 00:04:01,682 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) [2021-11-21 00:04:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26217 states to 26217 states and 37642 transitions. [2021-11-21 00:04:01,783 INFO L78 Accepts]: Start accepts. Automaton has 26217 states and 37642 transitions. Word has length 105 [2021-11-21 00:04:01,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:01,784 INFO L470 AbstractCegarLoop]: Abstraction has 26217 states and 37642 transitions. [2021-11-21 00:04:01,784 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) [2021-11-21 00:04:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 26217 states and 37642 transitions. [2021-11-21 00:04:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 00:04:01,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:01,786 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] [2021-11-21 00:04:01,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:04:01,786 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)] === [2021-11-21 00:04:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:01,787 INFO L85 PathProgramCache]: Analyzing trace with hash -70399505, now seen corresponding path program 1 times [2021-11-21 00:04:01,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:01,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591686465] [2021-11-21 00:04:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:01,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:04:02,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:02,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591686465] [2021-11-21 00:04:02,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591686465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:02,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:02,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:02,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002691079] [2021-11-21 00:04:02,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:02,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:02,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:02,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:02,044 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) [2021-11-21 00:04:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:05,808 INFO L93 Difference]: Finished difference Result 26217 states and 37642 transitions. [2021-11-21 00:04:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:04:05,809 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 [2021-11-21 00:04:05,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:05,915 INFO L225 Difference]: With dead ends: 26217 [2021-11-21 00:04:05,916 INFO L226 Difference]: Without dead ends: 26215 [2021-11-21 00:04:05,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:04:05,933 INFO L933 BasicCegarLoop]: 4397 mSDtfsCounter, 4913 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:05,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4915 Valid, 8790 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 00:04:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26215 states. [2021-11-21 00:04:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26215 to 26215. [2021-11-21 00:04:07,521 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) [2021-11-21 00:04:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26215 states to 26215 states and 37639 transitions. [2021-11-21 00:04:07,627 INFO L78 Accepts]: Start accepts. Automaton has 26215 states and 37639 transitions. Word has length 109 [2021-11-21 00:04:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:07,627 INFO L470 AbstractCegarLoop]: Abstraction has 26215 states and 37639 transitions. [2021-11-21 00:04:07,627 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) [2021-11-21 00:04:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 26215 states and 37639 transitions. [2021-11-21 00:04:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 00:04:07,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:07,629 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] [2021-11-21 00:04:07,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:04:07,629 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)] === [2021-11-21 00:04:07,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1065801554, now seen corresponding path program 1 times [2021-11-21 00:04:07,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:07,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564967127] [2021-11-21 00:04:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:07,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:04:07,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:07,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564967127] [2021-11-21 00:04:07,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564967127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:07,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:07,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:07,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128175711] [2021-11-21 00:04:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:07,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:07,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:07,899 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) [2021-11-21 00:04:12,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:04:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:13,873 INFO L93 Difference]: Finished difference Result 33461 states and 46918 transitions. [2021-11-21 00:04:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:04:13,874 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 [2021-11-21 00:04:13,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:13,989 INFO L225 Difference]: With dead ends: 33461 [2021-11-21 00:04:13,989 INFO L226 Difference]: Without dead ends: 33459 [2021-11-21 00:04:14,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:04:14,003 INFO L933 BasicCegarLoop]: 4671 mSDtfsCounter, 4822 mSDsluCounter, 6468 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4826 SdHoareTripleChecker+Valid, 10432 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:14,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4826 Valid, 10432 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1252 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:04:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33459 states. [2021-11-21 00:04:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33459 to 33413. [2021-11-21 00:04:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33413 states, 19198 states have (on average 1.258047713303469) internal successors, (24152), 20466 states have internal predecessors, (24152), 11097 states have call successors, (11097), 3096 states have call predecessors, (11097), 3091 states have return successors, (11611), 10580 states have call predecessors, (11611), 11095 states have call successors, (11611) [2021-11-21 00:04:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33413 states to 33413 states and 46860 transitions. [2021-11-21 00:04:16,352 INFO L78 Accepts]: Start accepts. Automaton has 33413 states and 46860 transitions. Word has length 111 [2021-11-21 00:04:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:16,353 INFO L470 AbstractCegarLoop]: Abstraction has 33413 states and 46860 transitions. [2021-11-21 00:04:16,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:04:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 33413 states and 46860 transitions. [2021-11-21 00:04:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 00:04:16,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:16,354 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, 1, 1, 1, 1, 1] [2021-11-21 00:04:16,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:04:16,354 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_gadget_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)] === [2021-11-21 00:04:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash 651675654, now seen corresponding path program 1 times [2021-11-21 00:04:16,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:16,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126711681] [2021-11-21 00:04:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:16,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 00:04:16,638 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:16,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126711681] [2021-11-21 00:04:16,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126711681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:16,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:16,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:16,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294000527] [2021-11-21 00:04:16,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:16,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:16,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:16,640 INFO L87 Difference]: Start difference. First operand 33413 states and 46860 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:04:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:21,040 INFO L93 Difference]: Finished difference Result 33413 states and 46860 transitions. [2021-11-21 00:04:21,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:04:21,040 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, (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 [2021-11-21 00:04:21,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:21,159 INFO L225 Difference]: With dead ends: 33413 [2021-11-21 00:04:21,159 INFO L226 Difference]: Without dead ends: 33411 [2021-11-21 00:04:21,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:04:21,174 INFO L933 BasicCegarLoop]: 4391 mSDtfsCounter, 4900 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4902 SdHoareTripleChecker+Valid, 8782 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:21,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4902 Valid, 8782 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 00:04:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33411 states. [2021-11-21 00:04:22,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33411 to 33411. [2021-11-21 00:04:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33411 states, 19197 states have (on average 1.257852789498359) internal successors, (24147), 20464 states have internal predecessors, (24147), 11097 states have call successors, (11097), 3096 states have call predecessors, (11097), 3091 states have return successors, (11611), 10580 states have call predecessors, (11611), 11095 states have call successors, (11611) [2021-11-21 00:04:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33411 states to 33411 states and 46855 transitions. [2021-11-21 00:04:23,249 INFO L78 Accepts]: Start accepts. Automaton has 33411 states and 46855 transitions. Word has length 109 [2021-11-21 00:04:23,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:23,249 INFO L470 AbstractCegarLoop]: Abstraction has 33411 states and 46855 transitions. [2021-11-21 00:04:23,250 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:04:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 33411 states and 46855 transitions. [2021-11-21 00:04:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 00:04:23,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:23,251 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, 1, 1, 1, 1, 1] [2021-11-21 00:04:23,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 00:04:23,252 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_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)] === [2021-11-21 00:04:23,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2123897391, now seen corresponding path program 1 times [2021-11-21 00:04:23,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:23,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081334713] [2021-11-21 00:04:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:23,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:04:23,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:23,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081334713] [2021-11-21 00:04:23,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081334713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:23,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:23,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:23,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302433329] [2021-11-21 00:04:23,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:23,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:23,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:23,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:23,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:23,499 INFO L87 Difference]: Start difference. First operand 33411 states and 46855 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)