./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--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.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_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/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_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/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_591dcf38-9573-4c63-be68-82a1d253d7a6/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 dc9e8bb6b40f5555d57e381f2a097a5016cb2e1f56429745ab057291759776aa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:48:56,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:48:56,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:48:56,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:48:56,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:48:56,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:48:56,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:48:56,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:48:56,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:48:56,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:48:56,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:48:56,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:48:56,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:48:56,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:48:56,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:48:56,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:48:56,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:48:56,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:48:56,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:48:56,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:48:56,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:48:56,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:48:56,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:48:56,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:48:56,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:48:56,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:48:56,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:48:56,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:48:56,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:48:56,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:48:56,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:48:56,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:48:56,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:48:56,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:48:56,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:48:56,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:48:56,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:48:56,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:48:56,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:48:56,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:48:56,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:48:56,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:48:56,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:48:56,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:48:56,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:48:56,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:48:56,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:48:56,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:48:56,225 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:48:56,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:48:56,225 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:48:56,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:48:56,225 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:48:56,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:48:56,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:48:56,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:48:56,226 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:48:56,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:48:56,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:48:56,227 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:48:56,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:48:56,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:48:56,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:48:56,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:48:56,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:48:56,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:48:56,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:48:56,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:48:56,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:48:56,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:48:56,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:48:56,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:48:56,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:48:56,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:48:56,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:48:56,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:48:56,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:48:56,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:48:56,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:48:56,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:48:56,232 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_591dcf38-9573-4c63-be68-82a1d253d7a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc9e8bb6b40f5555d57e381f2a097a5016cb2e1f56429745ab057291759776aa [2021-11-21 01:48:56,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:48:56,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:48:56,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:48:56,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:48:56,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:48:56,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-21 01:48:56,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/data/d9e549bff/493dd32995cf497ca949d102482b3789/FLAGa8a8694e2 [2021-11-21 01:48:57,725 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:48:57,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-21 01:48:57,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/data/d9e549bff/493dd32995cf497ca949d102482b3789/FLAGa8a8694e2 [2021-11-21 01:48:58,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/data/d9e549bff/493dd32995cf497ca949d102482b3789 [2021-11-21 01:48:58,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:48:58,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:48:58,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:48:58,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:48:58,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:48:58,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:48:58" (1/1) ... [2021-11-21 01:48:58,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aeab71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:58, skipping insertion in model container [2021-11-21 01:48:58,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:48:58" (1/1) ... [2021-11-21 01:48:58,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:48:58,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:49:03,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558734,558747] [2021-11-21 01:49:03,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558879,558892] [2021-11-21 01:49:03,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559025,559038] [2021-11-21 01:49:03,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559190,559203] [2021-11-21 01:49:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559348,559361] [2021-11-21 01:49:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559506,559519] [2021-11-21 01:49:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559664,559677] [2021-11-21 01:49:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559824,559837] [2021-11-21 01:49:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559983,559996] [2021-11-21 01:49:03,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560122,560135] [2021-11-21 01:49:03,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560264,560277] [2021-11-21 01:49:03,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560413,560426] [2021-11-21 01:49:03,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560552,560565] [2021-11-21 01:49:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560707,560720] [2021-11-21 01:49:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560867,560880] [2021-11-21 01:49:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561018,561031] [2021-11-21 01:49:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561169,561182] [2021-11-21 01:49:03,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561321,561334] [2021-11-21 01:49:03,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561470,561483] [2021-11-21 01:49:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561618,561631] [2021-11-21 01:49:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561775,561788] [2021-11-21 01:49:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561924,561937] [2021-11-21 01:49:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562080,562093] [2021-11-21 01:49:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562233,562246] [2021-11-21 01:49:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562379,562392] [2021-11-21 01:49:03,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562522,562535] [2021-11-21 01:49:03,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562674,562687] [2021-11-21 01:49:03,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562820,562833] [2021-11-21 01:49:03,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562965,562978] [2021-11-21 01:49:03,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563119,563132] [2021-11-21 01:49:03,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563270,563283] [2021-11-21 01:49:03,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563425,563438] [2021-11-21 01:49:03,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563577,563590] [2021-11-21 01:49:03,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563732,563745] [2021-11-21 01:49:03,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563896,563909] [2021-11-21 01:49:03,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564052,564065] [2021-11-21 01:49:03,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564216,564229] [2021-11-21 01:49:03,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564358,564371] [2021-11-21 01:49:03,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564516,564529] [2021-11-21 01:49:03,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564683,564696] [2021-11-21 01:49:03,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564842,564855] [2021-11-21 01:49:03,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565001,565014] [2021-11-21 01:49:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565150,565163] [2021-11-21 01:49:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565297,565310] [2021-11-21 01:49:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565436,565449] [2021-11-21 01:49:03,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565599,565612] [2021-11-21 01:49:03,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565765,565778] [2021-11-21 01:49:03,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565929,565942] [2021-11-21 01:49:03,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566094,566107] [2021-11-21 01:49:03,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566259,566272] [2021-11-21 01:49:03,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566425,566438] [2021-11-21 01:49:03,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566590,566603] [2021-11-21 01:49:03,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566757,566770] [2021-11-21 01:49:03,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566917,566930] [2021-11-21 01:49:03,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567079,567092] [2021-11-21 01:49:03,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567238,567251] [2021-11-21 01:49:03,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567384,567397] [2021-11-21 01:49:03,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567527,567540] [2021-11-21 01:49:03,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567671,567684] [2021-11-21 01:49:03,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567814,567827] [2021-11-21 01:49:03,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567958,567971] [2021-11-21 01:49:03,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568099,568112] [2021-11-21 01:49:03,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568237,568250] [2021-11-21 01:49:03,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568395,568408] [2021-11-21 01:49:03,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568554,568567] [2021-11-21 01:49:03,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568710,568723] [2021-11-21 01:49:03,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568859,568872] [2021-11-21 01:49:03,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569011,569024] [2021-11-21 01:49:03,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569162,569175] [2021-11-21 01:49:03,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569311,569324] [2021-11-21 01:49:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569463,569476] [2021-11-21 01:49:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569611,569624] [2021-11-21 01:49:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569764,569777] [2021-11-21 01:49:03,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569915,569928] [2021-11-21 01:49:03,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570065,570078] [2021-11-21 01:49:03,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570212,570225] [2021-11-21 01:49:03,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570363,570376] [2021-11-21 01:49:03,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570514,570527] [2021-11-21 01:49:03,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570662,570675] [2021-11-21 01:49:03,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570828,570841] [2021-11-21 01:49:03,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570997,571010] [2021-11-21 01:49:03,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571164,571177] [2021-11-21 01:49:03,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571332,571345] [2021-11-21 01:49:03,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571482,571495] [2021-11-21 01:49:03,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571629,571642] [2021-11-21 01:49:03,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571790,571803] [2021-11-21 01:49:03,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571960,571973] [2021-11-21 01:49:03,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[572122,572135] [2021-11-21 01:49:03,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:49:03,373 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:49:03,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558734,558747] [2021-11-21 01:49:03,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558879,558892] [2021-11-21 01:49:03,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559025,559038] [2021-11-21 01:49:03,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559190,559203] [2021-11-21 01:49:03,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559348,559361] [2021-11-21 01:49:03,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559506,559519] [2021-11-21 01:49:03,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559664,559677] [2021-11-21 01:49:03,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559824,559837] [2021-11-21 01:49:03,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559983,559996] [2021-11-21 01:49:03,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560122,560135] [2021-11-21 01:49:03,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560264,560277] [2021-11-21 01:49:03,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560413,560426] [2021-11-21 01:49:03,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560552,560565] [2021-11-21 01:49:03,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560707,560720] [2021-11-21 01:49:03,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560867,560880] [2021-11-21 01:49:03,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561018,561031] [2021-11-21 01:49:03,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561169,561182] [2021-11-21 01:49:03,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561321,561334] [2021-11-21 01:49:03,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561470,561483] [2021-11-21 01:49:03,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561618,561631] [2021-11-21 01:49:03,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561775,561788] [2021-11-21 01:49:03,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561924,561937] [2021-11-21 01:49:03,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562080,562093] [2021-11-21 01:49:03,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562233,562246] [2021-11-21 01:49:03,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562379,562392] [2021-11-21 01:49:03,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562522,562535] [2021-11-21 01:49:03,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562674,562687] [2021-11-21 01:49:03,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562820,562833] [2021-11-21 01:49:03,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562965,562978] [2021-11-21 01:49:03,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563119,563132] [2021-11-21 01:49:03,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563270,563283] [2021-11-21 01:49:03,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563425,563438] [2021-11-21 01:49:03,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563577,563590] [2021-11-21 01:49:03,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563732,563745] [2021-11-21 01:49:03,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563896,563909] [2021-11-21 01:49:03,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564052,564065] [2021-11-21 01:49:03,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564216,564229] [2021-11-21 01:49:03,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564358,564371] [2021-11-21 01:49:03,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564516,564529] [2021-11-21 01:49:03,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564683,564696] [2021-11-21 01:49:03,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564842,564855] [2021-11-21 01:49:03,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565001,565014] [2021-11-21 01:49:03,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565150,565163] [2021-11-21 01:49:03,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565297,565310] [2021-11-21 01:49:03,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565436,565449] [2021-11-21 01:49:03,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565599,565612] [2021-11-21 01:49:03,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565765,565778] [2021-11-21 01:49:03,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565929,565942] [2021-11-21 01:49:03,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566094,566107] [2021-11-21 01:49:03,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566259,566272] [2021-11-21 01:49:03,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566425,566438] [2021-11-21 01:49:03,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566590,566603] [2021-11-21 01:49:03,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566757,566770] [2021-11-21 01:49:03,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566917,566930] [2021-11-21 01:49:03,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567079,567092] [2021-11-21 01:49:03,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567238,567251] [2021-11-21 01:49:03,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567384,567397] [2021-11-21 01:49:03,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567527,567540] [2021-11-21 01:49:03,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567671,567684] [2021-11-21 01:49:03,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567814,567827] [2021-11-21 01:49:03,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567958,567971] [2021-11-21 01:49:03,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568099,568112] [2021-11-21 01:49:03,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568237,568250] [2021-11-21 01:49:03,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568395,568408] [2021-11-21 01:49:03,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568554,568567] [2021-11-21 01:49:03,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568710,568723] [2021-11-21 01:49:03,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568859,568872] [2021-11-21 01:49:03,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569011,569024] [2021-11-21 01:49:03,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569162,569175] [2021-11-21 01:49:03,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569311,569324] [2021-11-21 01:49:03,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569463,569476] [2021-11-21 01:49:03,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569611,569624] [2021-11-21 01:49:03,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569764,569777] [2021-11-21 01:49:03,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569915,569928] [2021-11-21 01:49:03,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570065,570078] [2021-11-21 01:49:03,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570212,570225] [2021-11-21 01:49:03,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570363,570376] [2021-11-21 01:49:03,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570514,570527] [2021-11-21 01:49:03,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570662,570675] [2021-11-21 01:49:03,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570828,570841] [2021-11-21 01:49:03,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570997,571010] [2021-11-21 01:49:03,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571164,571177] [2021-11-21 01:49:03,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571332,571345] [2021-11-21 01:49:03,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571482,571495] [2021-11-21 01:49:03,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571629,571642] [2021-11-21 01:49:03,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571790,571803] [2021-11-21 01:49:03,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571960,571973] [2021-11-21 01:49:03,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[572122,572135] [2021-11-21 01:49:03,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:49:04,365 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:49:04,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04 WrapperNode [2021-11-21 01:49:04,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:49:04,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:49:04,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:49:04,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:49:04,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:04,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:04,841 INFO L137 Inliner]: procedures = 593, calls = 4545, calls flagged for inlining = 256, calls inlined = 167, statements flattened = 7468 [2021-11-21 01:49:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:49:04,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:49:04,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:49:04,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:49:04,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:04,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:04,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:04,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:05,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:05,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:05,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:05,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:49:05,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:49:05,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:49:05,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:49:05,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (1/1) ... [2021-11-21 01:49:05,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:49:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:49:05,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:49:05,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:49:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2021-11-21 01:49:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2021-11-21 01:49:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 01:49:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 01:49:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:49:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:49:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 01:49:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 01:49:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2021-11-21 01:49:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2021-11-21 01:49:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2021-11-21 01:49:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2021-11-21 01:49:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2021-11-21 01:49:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2021-11-21 01:49:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2021-11-21 01:49:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2021-11-21 01:49:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2021-11-21 01:49:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2021-11-21 01:49:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-11-21 01:49:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-11-21 01:49:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2021-11-21 01:49:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2021-11-21 01:49:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 01:49:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 01:49:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2021-11-21 01:49:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2021-11-21 01:49:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 01:49:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 01:49:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2021-11-21 01:49:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2021-11-21 01:49:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2021-11-21 01:49:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2021-11-21 01:49:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2021-11-21 01:49:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2021-11-21 01:49:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:49:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:49:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:49:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:49:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2021-11-21 01:49:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2021-11-21 01:49:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 01:49:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 01:49:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:49:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2021-11-21 01:49:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2021-11-21 01:49:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 01:49:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 01:49:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:49:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2021-11-21 01:49:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2021-11-21 01:49:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:49:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:49:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:49:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2021-11-21 01:49:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2021-11-21 01:49:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 01:49:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 01:49:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:49:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 01:49:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 01:49:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 01:49:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 01:49:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 01:49:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 01:49:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 01:49:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 01:49:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2021-11-21 01:49:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2021-11-21 01:49:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:49:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:49:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:49:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:49:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2021-11-21 01:49:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2021-11-21 01:49:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:49:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:49:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:49:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2021-11-21 01:49:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2021-11-21 01:49:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2021-11-21 01:49:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2021-11-21 01:49:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2021-11-21 01:49:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2021-11-21 01:49:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 01:49:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 01:49:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2021-11-21 01:49:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2021-11-21 01:49:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2021-11-21 01:49:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2021-11-21 01:49:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:49:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:49:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_fe_lock_of_mxl111sf_state [2021-11-21 01:49:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_fe_lock_of_mxl111sf_state [2021-11-21 01:49:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-11-21 01:49:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-11-21 01:49:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2021-11-21 01:49:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2021-11-21 01:49:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 01:49:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 01:49:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:49:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:49:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:49:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:49:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-21 01:49:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-21 01:49:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2021-11-21 01:49:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2021-11-21 01:49:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2021-11-21 01:49:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2021-11-21 01:49:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 01:49:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 01:49:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2021-11-21 01:49:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2021-11-21 01:49:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 01:49:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 01:49:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:49:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 01:49:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 01:49:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2021-11-21 01:49:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2021-11-21 01:49:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:49:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2021-11-21 01:49:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2021-11-21 01:49:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2021-11-21 01:49:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2021-11-21 01:49:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:49:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 01:49:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 01:49:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:49:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:49:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2021-11-21 01:49:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2021-11-21 01:49:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2021-11-21 01:49:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2021-11-21 01:49:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2021-11-21 01:49:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2021-11-21 01:49:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 01:49:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 01:49:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 01:49:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 01:49:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 01:49:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 01:49:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2021-11-21 01:49:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2021-11-21 01:49:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-21 01:49:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-21 01:49:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 01:49:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 01:49:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 01:49:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 01:49:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-11-21 01:49:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-11-21 01:49:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:49:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2021-11-21 01:49:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2021-11-21 01:49:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 01:49:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 01:49:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2021-11-21 01:49:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2021-11-21 01:49:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2021-11-21 01:49:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2021-11-21 01:49:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-21 01:49:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-21 01:49:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2021-11-21 01:49:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2021-11-21 01:49:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:49:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:49:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 01:49:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 01:49:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2021-11-21 01:49:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2021-11-21 01:49:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-11-21 01:49:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-11-21 01:49:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2021-11-21 01:49:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2021-11-21 01:49:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:49:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:49:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2021-11-21 01:49:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2021-11-21 01:49:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 01:49:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 01:49:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2021-11-21 01:49:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2021-11-21 01:49:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2021-11-21 01:49:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2021-11-21 01:49:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:49:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:49:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2021-11-21 01:49:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2021-11-21 01:49:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2021-11-21 01:49:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2021-11-21 01:49:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:49:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2021-11-21 01:49:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2021-11-21 01:49:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2021-11-21 01:49:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2021-11-21 01:49:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2021-11-21 01:49:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2021-11-21 01:49:06,485 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:49:06,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:49:06,864 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:49:27,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:49:31,529 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:49:31,529 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:49:31,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:31 BoogieIcfgContainer [2021-11-21 01:49:31,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:49:31,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:49:31,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:49:31,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:49:31,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:48:58" (1/3) ... [2021-11-21 01:49:31,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e98c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:31, skipping insertion in model container [2021-11-21 01:49:31,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:04" (2/3) ... [2021-11-21 01:49:31,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e98c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:31, skipping insertion in model container [2021-11-21 01:49:31,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:31" (3/3) ... [2021-11-21 01:49:31,548 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-21 01:49:31,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:49:31,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-21 01:49:31,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:49:31,643 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:49:31,645 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-21 01:49:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 1653 states, 1032 states have (on average 1.3846899224806202) internal successors, (1429), 1106 states have internal predecessors, (1429), 505 states have call successors, (505), 91 states have call predecessors, (505), 90 states have return successors, (495), 475 states have call predecessors, (495), 495 states have call successors, (495) [2021-11-21 01:49:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:49:31,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:49:31,726 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:49:31,728 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:49:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:49:31,733 INFO L85 PathProgramCache]: Analyzing trace with hash -621495038, now seen corresponding path program 1 times [2021-11-21 01:49:31,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:49:31,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500229664] [2021-11-21 01:49:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:49:31,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:49:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:49:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:49:33,013 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:49:33,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500229664] [2021-11-21 01:49:33,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500229664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:49:33,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:49:33,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:49:33,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356592868] [2021-11-21 01:49:33,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:49:33,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:49:33,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:49:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:49:33,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:49:33,066 INFO L87 Difference]: Start difference. First operand has 1653 states, 1032 states have (on average 1.3846899224806202) internal successors, (1429), 1106 states have internal predecessors, (1429), 505 states have call successors, (505), 91 states have call predecessors, (505), 90 states have return successors, (495), 475 states have call predecessors, (495), 495 states have call successors, (495) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 01:49:37,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:40,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:44,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:49:45,234 INFO L93 Difference]: Finished difference Result 3327 states and 4941 transitions. [2021-11-21 01:49:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:49:45,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 51 [2021-11-21 01:49:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:49:45,288 INFO L225 Difference]: With dead ends: 3327 [2021-11-21 01:49:45,288 INFO L226 Difference]: Without dead ends: 1696 [2021-11-21 01:49:45,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:49:45,320 INFO L933 BasicCegarLoop]: 1944 mSDtfsCounter, 2301 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2314 SdHoareTripleChecker+Valid, 3994 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:49:45,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2314 Valid, 3994 Invalid, 978 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 975 Invalid, 3 Unknown, 0 Unchecked, 11.7s Time] [2021-11-21 01:49:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2021-11-21 01:49:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1690. [2021-11-21 01:49:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1063 states have (on average 1.3518344308560677) internal successors, (1437), 1128 states have internal predecessors, (1437), 508 states have call successors, (508), 96 states have call predecessors, (508), 95 states have return successors, (506), 485 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 01:49:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2451 transitions. [2021-11-21 01:49:45,560 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2451 transitions. Word has length 51 [2021-11-21 01:49:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:49:45,563 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 2451 transitions. [2021-11-21 01:49:45,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 01:49:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2451 transitions. [2021-11-21 01:49:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:49:45,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:49:45,568 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:49:45,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:49:45,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:49:45,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:49:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash -624195658, now seen corresponding path program 1 times [2021-11-21 01:49:45,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:49:45,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171528442] [2021-11-21 01:49:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:49:45,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:49:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:49:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:49:46,194 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:49:46,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171528442] [2021-11-21 01:49:46,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171528442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:49:46,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:49:46,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:49:46,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656012598] [2021-11-21 01:49:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:49:46,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:49:46,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:49:46,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:49:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:49:46,198 INFO L87 Difference]: Start difference. First operand 1690 states and 2451 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 01:49:50,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:53,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:55,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:00,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:00,951 INFO L93 Difference]: Finished difference Result 1737 states and 2511 transitions. [2021-11-21 01:50:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:00,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 56 [2021-11-21 01:50:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:00,968 INFO L225 Difference]: With dead ends: 1737 [2021-11-21 01:50:00,969 INFO L226 Difference]: Without dead ends: 1735 [2021-11-21 01:50:00,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:00,972 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 2300 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:00,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2310 Valid, 3895 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2021-11-21 01:50:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-11-21 01:50:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2021-11-21 01:50:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1092 states have (on average 1.34981684981685) internal successors, (1474), 1156 states have internal predecessors, (1474), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:50:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2506 transitions. [2021-11-21 01:50:01,075 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2506 transitions. Word has length 56 [2021-11-21 01:50:01,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:01,076 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 2506 transitions. [2021-11-21 01:50:01,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 01:50:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2506 transitions. [2021-11-21 01:50:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 01:50:01,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:01,079 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:01,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:50:01,080 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:50:01,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1518023959, now seen corresponding path program 1 times [2021-11-21 01:50:01,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:01,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321296498] [2021-11-21 01:50:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:01,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:50:01,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:01,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321296498] [2021-11-21 01:50:01,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321296498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:01,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:01,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:01,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978594814] [2021-11-21 01:50:01,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:01,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:01,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:01,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:01,631 INFO L87 Difference]: Start difference. First operand 1733 states and 2506 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 01:50:06,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:08,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:10,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:15,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:16,373 INFO L93 Difference]: Finished difference Result 1735 states and 2509 transitions. [2021-11-21 01:50:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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 61 [2021-11-21 01:50:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:16,391 INFO L225 Difference]: With dead ends: 1735 [2021-11-21 01:50:16,391 INFO L226 Difference]: Without dead ends: 1733 [2021-11-21 01:50:16,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:16,394 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 2297 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:16,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2307 Valid, 3891 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2021-11-21 01:50:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-11-21 01:50:16,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1731. [2021-11-21 01:50:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1091 states have (on average 1.3492208982584784) internal successors, (1472), 1154 states have internal predecessors, (1472), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:50:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2504 transitions. [2021-11-21 01:50:16,489 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2504 transitions. Word has length 61 [2021-11-21 01:50:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:16,490 INFO L470 AbstractCegarLoop]: Abstraction has 1731 states and 2504 transitions. [2021-11-21 01:50:16,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 01:50:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2504 transitions. [2021-11-21 01:50:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:50:16,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:16,493 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:16,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:50:16,493 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:50:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1794778696, now seen corresponding path program 1 times [2021-11-21 01:50:16,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:16,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112363531] [2021-11-21 01:50:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:16,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:50:16,968 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:16,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112363531] [2021-11-21 01:50:16,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112363531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:16,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:16,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:16,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202177437] [2021-11-21 01:50:16,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:16,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:16,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:16,970 INFO L87 Difference]: Start difference. First operand 1731 states and 2504 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:50:21,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:24,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:29,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:30,050 INFO L93 Difference]: Finished difference Result 1737 states and 2513 transitions. [2021-11-21 01:50:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:30,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 66 [2021-11-21 01:50:30,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:30,065 INFO L225 Difference]: With dead ends: 1737 [2021-11-21 01:50:30,066 INFO L226 Difference]: Without dead ends: 1735 [2021-11-21 01:50:30,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:30,068 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 2265 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:30,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 3930 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2021-11-21 01:50:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-11-21 01:50:30,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1729. [2021-11-21 01:50:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1090 states have (on average 1.348623853211009) internal successors, (1470), 1152 states have internal predecessors, (1470), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:50:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2502 transitions. [2021-11-21 01:50:30,168 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2502 transitions. Word has length 66 [2021-11-21 01:50:30,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:30,168 INFO L470 AbstractCegarLoop]: Abstraction has 1729 states and 2502 transitions. [2021-11-21 01:50:30,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:50:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2502 transitions. [2021-11-21 01:50:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 01:50:30,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:30,171 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:30,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:50:30,171 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:50:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash -535648780, now seen corresponding path program 1 times [2021-11-21 01:50:30,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:30,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915270701] [2021-11-21 01:50:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:30,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:50:30,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:30,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915270701] [2021-11-21 01:50:30,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915270701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:30,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:30,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:30,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339190046] [2021-11-21 01:50:30,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:30,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:30,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:30,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:30,681 INFO L87 Difference]: Start difference. First operand 1729 states and 2502 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 01:50:35,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:38,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:43,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:44,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:44,233 INFO L93 Difference]: Finished difference Result 1735 states and 2511 transitions. [2021-11-21 01:50:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 71 [2021-11-21 01:50:44,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:44,253 INFO L225 Difference]: With dead ends: 1735 [2021-11-21 01:50:44,253 INFO L226 Difference]: Without dead ends: 1733 [2021-11-21 01:50:44,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:44,257 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 2262 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:44,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2275 Valid, 3926 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2021-11-21 01:50:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-11-21 01:50:44,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1727. [2021-11-21 01:50:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1089 states have (on average 1.3480257116620753) internal successors, (1468), 1150 states have internal predecessors, (1468), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:50:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2500 transitions. [2021-11-21 01:50:44,380 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2500 transitions. Word has length 71 [2021-11-21 01:50:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:44,381 INFO L470 AbstractCegarLoop]: Abstraction has 1727 states and 2500 transitions. [2021-11-21 01:50:44,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 01:50:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2500 transitions. [2021-11-21 01:50:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 01:50:44,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:44,383 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:44,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:50:44,384 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:50:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:44,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1088301351, now seen corresponding path program 1 times [2021-11-21 01:50:44,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:44,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286911569] [2021-11-21 01:50:44,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:50:44,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:44,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286911569] [2021-11-21 01:50:44,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286911569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:44,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:44,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:44,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328536648] [2021-11-21 01:50:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:44,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:44,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:44,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:44,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:44,890 INFO L87 Difference]: Start difference. First operand 1727 states and 2500 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:50:49,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:52,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:58,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:59,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:59,033 INFO L93 Difference]: Finished difference Result 1733 states and 2509 transitions. [2021-11-21 01:50:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:59,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 76 [2021-11-21 01:50:59,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:59,049 INFO L225 Difference]: With dead ends: 1733 [2021-11-21 01:50:59,050 INFO L226 Difference]: Without dead ends: 1731 [2021-11-21 01:50:59,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:59,053 INFO L933 BasicCegarLoop]: 1908 mSDtfsCounter, 2259 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:59,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2272 Valid, 3922 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-11-21 01:50:59,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2021-11-21 01:50:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1725. [2021-11-21 01:50:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1088 states have (on average 1.3474264705882353) internal successors, (1466), 1148 states have internal predecessors, (1466), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:50:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2498 transitions. [2021-11-21 01:50:59,190 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2498 transitions. Word has length 76 [2021-11-21 01:50:59,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:59,191 INFO L470 AbstractCegarLoop]: Abstraction has 1725 states and 2498 transitions. [2021-11-21 01:50:59,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:50:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2498 transitions. [2021-11-21 01:50:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:50:59,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:59,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:59,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:50:59,194 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:50:59,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash 346107474, now seen corresponding path program 1 times [2021-11-21 01:50:59,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:59,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139558544] [2021-11-21 01:50:59,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:59,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:50:59,665 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:59,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139558544] [2021-11-21 01:50:59,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139558544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:59,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:59,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:59,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867993932] [2021-11-21 01:50:59,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:59,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:59,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:59,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:59,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:59,667 INFO L87 Difference]: Start difference. First operand 1725 states and 2498 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:51:04,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:06,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:08,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:15,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:16,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:16,155 INFO L93 Difference]: Finished difference Result 1727 states and 2501 transitions. [2021-11-21 01:51:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:51:16,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 81 [2021-11-21 01:51:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:16,171 INFO L225 Difference]: With dead ends: 1727 [2021-11-21 01:51:16,172 INFO L226 Difference]: Without dead ends: 1725 [2021-11-21 01:51:16,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:51:16,174 INFO L933 BasicCegarLoop]: 1902 mSDtfsCounter, 2285 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 3875 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:16,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2295 Valid, 3875 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2021-11-21 01:51:16,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-11-21 01:51:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1723. [2021-11-21 01:51:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1087 states have (on average 1.3468261269549218) internal successors, (1464), 1146 states have internal predecessors, (1464), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:51:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2496 transitions. [2021-11-21 01:51:16,283 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2496 transitions. Word has length 81 [2021-11-21 01:51:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:16,283 INFO L470 AbstractCegarLoop]: Abstraction has 1723 states and 2496 transitions. [2021-11-21 01:51:16,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:51:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2496 transitions. [2021-11-21 01:51:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 01:51:16,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:16,286 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:16,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:51:16,286 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:51:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1099659981, now seen corresponding path program 1 times [2021-11-21 01:51:16,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:16,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322797804] [2021-11-21 01:51:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:16,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:51:16,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:16,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322797804] [2021-11-21 01:51:16,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322797804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:16,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:16,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:51:16,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433553777] [2021-11-21 01:51:16,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:16,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:51:16,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:16,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:51:16,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:16,744 INFO L87 Difference]: Start difference. First operand 1723 states and 2496 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 01:51:21,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:24,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:31,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:31,878 INFO L93 Difference]: Finished difference Result 1729 states and 2505 transitions. [2021-11-21 01:51:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:51:31,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2021-11-21 01:51:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:31,891 INFO L225 Difference]: With dead ends: 1729 [2021-11-21 01:51:31,891 INFO L226 Difference]: Without dead ends: 1727 [2021-11-21 01:51:31,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:51:31,894 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 2257 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:31,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2270 Valid, 3910 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2021-11-21 01:51:31,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-11-21 01:51:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1721. [2021-11-21 01:51:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1086 states have (on average 1.3462246777163904) internal successors, (1462), 1144 states have internal predecessors, (1462), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:51:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2494 transitions. [2021-11-21 01:51:32,010 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2494 transitions. Word has length 86 [2021-11-21 01:51:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:32,011 INFO L470 AbstractCegarLoop]: Abstraction has 1721 states and 2494 transitions. [2021-11-21 01:51:32,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 01:51:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2494 transitions. [2021-11-21 01:51:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 01:51:32,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:32,013 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:32,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:51:32,013 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:51:32,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:32,014 INFO L85 PathProgramCache]: Analyzing trace with hash 211420848, now seen corresponding path program 1 times [2021-11-21 01:51:32,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:32,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527892539] [2021-11-21 01:51:32,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:32,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:51:32,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:32,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527892539] [2021-11-21 01:51:32,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527892539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:32,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:32,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:51:32,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937571573] [2021-11-21 01:51:32,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:32,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:51:32,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:32,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:51:32,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:32,459 INFO L87 Difference]: Start difference. First operand 1721 states and 2494 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 01:51:36,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:40,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:45,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:46,454 INFO L93 Difference]: Finished difference Result 1727 states and 2503 transitions. [2021-11-21 01:51:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:51:46,454 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 88 [2021-11-21 01:51:46,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:46,466 INFO L225 Difference]: With dead ends: 1727 [2021-11-21 01:51:46,467 INFO L226 Difference]: Without dead ends: 1725 [2021-11-21 01:51:46,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:51:46,469 INFO L933 BasicCegarLoop]: 1902 mSDtfsCounter, 2249 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:46,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 3910 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2021-11-21 01:51:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-11-21 01:51:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1719. [2021-11-21 01:51:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1085 states have (on average 1.3456221198156681) internal successors, (1460), 1142 states have internal predecessors, (1460), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:51:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2492 transitions. [2021-11-21 01:51:46,584 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2492 transitions. Word has length 88 [2021-11-21 01:51:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:46,585 INFO L470 AbstractCegarLoop]: Abstraction has 1719 states and 2492 transitions. [2021-11-21 01:51:46,585 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 01:51:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2492 transitions. [2021-11-21 01:51:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 01:51:46,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:46,587 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:46,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:51:46,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:51:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885422, now seen corresponding path program 1 times [2021-11-21 01:51:46,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:46,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147391850] [2021-11-21 01:51:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:51:47,040 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:47,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147391850] [2021-11-21 01:51:47,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147391850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:47,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:47,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:51:47,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262668827] [2021-11-21 01:51:47,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:47,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:51:47,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:47,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:51:47,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:47,043 INFO L87 Difference]: Start difference. First operand 1719 states and 2492 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 01:51:52,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:55,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:57,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:03,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:04,036 INFO L93 Difference]: Finished difference Result 1721 states and 2495 transitions. [2021-11-21 01:52:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:52:04,038 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 93 [2021-11-21 01:52:04,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:04,054 INFO L225 Difference]: With dead ends: 1721 [2021-11-21 01:52:04,054 INFO L226 Difference]: Without dead ends: 1719 [2021-11-21 01:52:04,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:04,057 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 2277 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 3863 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:04,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 3863 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 16.8s Time] [2021-11-21 01:52:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-21 01:52:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1717. [2021-11-21 01:52:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1084 states have (on average 1.345018450184502) internal successors, (1458), 1140 states have internal predecessors, (1458), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:52:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2490 transitions. [2021-11-21 01:52:04,173 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2490 transitions. Word has length 93 [2021-11-21 01:52:04,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:04,173 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 2490 transitions. [2021-11-21 01:52:04,174 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 01:52:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2490 transitions. [2021-11-21 01:52:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 01:52:04,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:04,177 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-21 01:52:04,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:52:04,178 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:52:04,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:04,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1089556051, now seen corresponding path program 1 times [2021-11-21 01:52:04,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:04,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158976617] [2021-11-21 01:52:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:04,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-21 01:52:04,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:04,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158976617] [2021-11-21 01:52:04,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158976617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:04,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:04,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:52:04,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598710684] [2021-11-21 01:52:04,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:04,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:52:04,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:52:04,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:52:04,707 INFO L87 Difference]: Start difference. First operand 1717 states and 2490 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:52:08,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:11,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:15,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:15,994 INFO L93 Difference]: Finished difference Result 3403 states and 4933 transitions. [2021-11-21 01:52:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:52:15,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2021-11-21 01:52:15,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:16,010 INFO L225 Difference]: With dead ends: 3403 [2021-11-21 01:52:16,010 INFO L226 Difference]: Without dead ends: 1719 [2021-11-21 01:52:16,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:52:16,022 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 2266 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:16,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2277 Valid, 2002 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 509 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2021-11-21 01:52:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-21 01:52:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1713. [2021-11-21 01:52:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1081 states have (on average 1.3441258094357076) internal successors, (1453), 1136 states have internal predecessors, (1453), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-21 01:52:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2485 transitions. [2021-11-21 01:52:16,140 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2485 transitions. Word has length 122 [2021-11-21 01:52:16,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:16,141 INFO L470 AbstractCegarLoop]: Abstraction has 1713 states and 2485 transitions. [2021-11-21 01:52:16,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:52:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2485 transitions. [2021-11-21 01:52:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 01:52:16,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:16,146 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:52:16,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:52:16,147 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:52:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1866510331, now seen corresponding path program 1 times [2021-11-21 01:52:16,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:16,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226599977] [2021-11-21 01:52:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:16,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-21 01:52:16,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:16,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226599977] [2021-11-21 01:52:16,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226599977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:16,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:16,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:52:16,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477467701] [2021-11-21 01:52:16,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:16,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:52:16,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:16,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:52:16,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:16,746 INFO L87 Difference]: Start difference. First operand 1713 states and 2485 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:52:21,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:25,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:29,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:38,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:40,451 INFO L93 Difference]: Finished difference Result 2784 states and 4027 transitions. [2021-11-21 01:52:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:52:40,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 109 [2021-11-21 01:52:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:40,475 INFO L225 Difference]: With dead ends: 2784 [2021-11-21 01:52:40,475 INFO L226 Difference]: Without dead ends: 2782 [2021-11-21 01:52:40,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:52:40,477 INFO L933 BasicCegarLoop]: 2233 mSDtfsCounter, 1900 mSDsluCounter, 7362 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 8220 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:40,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 8220 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1875 Invalid, 3 Unknown, 0 Unchecked, 23.3s Time] [2021-11-21 01:52:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2021-11-21 01:52:40,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2750. [2021-11-21 01:52:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2750 states, 1743 states have (on average 1.3465289730349972) internal successors, (2347), 1836 states have internal predecessors, (2347), 822 states have call successors, (822), 172 states have call predecessors, (822), 171 states have return successors, (837), 776 states have call predecessors, (837), 820 states have call successors, (837) [2021-11-21 01:52:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 4006 transitions. [2021-11-21 01:52:40,674 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 4006 transitions. Word has length 109 [2021-11-21 01:52:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:40,674 INFO L470 AbstractCegarLoop]: Abstraction has 2750 states and 4006 transitions. [2021-11-21 01:52:40,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:52:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 4006 transitions. [2021-11-21 01:52:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 01:52:40,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:40,677 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:52:40,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 01:52:40,678 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:52:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash 738453872, now seen corresponding path program 1 times [2021-11-21 01:52:40,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:40,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205239087] [2021-11-21 01:52:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:52:41,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:41,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205239087] [2021-11-21 01:52:41,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205239087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:41,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:41,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:52:41,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359806032] [2021-11-21 01:52:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:41,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:52:41,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:52:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:52:41,143 INFO L87 Difference]: Start difference. First operand 2750 states and 4006 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 01:52:46,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:49,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:56,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:57,108 INFO L93 Difference]: Finished difference Result 2756 states and 4014 transitions. [2021-11-21 01:52:57,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:52:57,109 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 98 [2021-11-21 01:52:57,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:57,134 INFO L225 Difference]: With dead ends: 2756 [2021-11-21 01:52:57,135 INFO L226 Difference]: Without dead ends: 2754 [2021-11-21 01:52:57,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:57,138 INFO L933 BasicCegarLoop]: 1893 mSDtfsCounter, 2240 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:57,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2253 Valid, 3892 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2021-11-21 01:52:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2021-11-21 01:52:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2021-11-21 01:52:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 1746 states have (on average 1.3447880870561284) internal successors, (2348), 1839 states have internal predecessors, (2348), 822 states have call successors, (822), 172 states have call predecessors, (822), 173 states have return successors, (841), 777 states have call predecessors, (841), 820 states have call successors, (841) [2021-11-21 01:52:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 4011 transitions. [2021-11-21 01:52:57,340 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 4011 transitions. Word has length 98 [2021-11-21 01:52:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:57,341 INFO L470 AbstractCegarLoop]: Abstraction has 2754 states and 4011 transitions. [2021-11-21 01:52:57,341 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 01:52:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 4011 transitions. [2021-11-21 01:52:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 01:52:57,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:57,344 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-21 01:52:57,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 01:52:57,344 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:52:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:57,345 INFO L85 PathProgramCache]: Analyzing trace with hash 336641505, now seen corresponding path program 1 times [2021-11-21 01:52:57,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:57,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917997893] [2021-11-21 01:52:57,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:57,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 01:52:57,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:57,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917997893] [2021-11-21 01:52:57,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917997893] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:52:57,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588169841] [2021-11-21 01:52:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:57,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:57,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:57,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:57,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:53:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:00,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 6973 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:53:00,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:53:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-21 01:53:00,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:53:00,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588169841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:53:00,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:53:00,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-21 01:53:00,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605514957] [2021-11-21 01:53:00,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:53:00,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:53:00,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:53:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:53:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:53:00,497 INFO L87 Difference]: Start difference. First operand 2754 states and 4011 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:53:03,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:06,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:11,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:11,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:53:11,726 INFO L93 Difference]: Finished difference Result 5490 states and 7983 transitions. [2021-11-21 01:53:11,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:53:11,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2021-11-21 01:53:11,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:53:11,753 INFO L225 Difference]: With dead ends: 5490 [2021-11-21 01:53:11,753 INFO L226 Difference]: Without dead ends: 2772 [2021-11-21 01:53:11,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:53:11,771 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 2244 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:53:11,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2252 Valid, 2018 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 508 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-11-21 01:53:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2021-11-21 01:53:11,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2770. [2021-11-21 01:53:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 1753 states have (on average 1.3422703936109526) internal successors, (2353), 1846 states have internal predecessors, (2353), 826 states have call successors, (826), 178 states have call predecessors, (826), 179 states have return successors, (845), 780 states have call predecessors, (845), 824 states have call successors, (845) [2021-11-21 01:53:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 4024 transitions. [2021-11-21 01:53:11,970 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 4024 transitions. Word has length 127 [2021-11-21 01:53:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:53:11,971 INFO L470 AbstractCegarLoop]: Abstraction has 2770 states and 4024 transitions. [2021-11-21 01:53:11,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 01:53:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 4024 transitions. [2021-11-21 01:53:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 01:53:11,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:53:11,974 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:53:12,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:53:12,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-21 01:53:12,191 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:53:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:53:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1425346031, now seen corresponding path program 1 times [2021-11-21 01:53:12,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:53:12,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998001557] [2021-11-21 01:53:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:12,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:53:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:53:12,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:12,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998001557] [2021-11-21 01:53:12,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998001557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:53:12,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:53:12,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:53:12,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807154055] [2021-11-21 01:53:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:53:12,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:53:12,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:53:12,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:53:12,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:53:12,634 INFO L87 Difference]: Start difference. First operand 2770 states and 4024 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:53:17,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:21,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:27,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:28,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:53:28,066 INFO L93 Difference]: Finished difference Result 2770 states and 4024 transitions. [2021-11-21 01:53:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:53:28,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2021-11-21 01:53:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:53:28,092 INFO L225 Difference]: With dead ends: 2770 [2021-11-21 01:53:28,093 INFO L226 Difference]: Without dead ends: 2768 [2021-11-21 01:53:28,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:53:28,096 INFO L933 BasicCegarLoop]: 1886 mSDtfsCounter, 2232 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2245 SdHoareTripleChecker+Valid, 3878 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:53:28,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2245 Valid, 3878 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2021-11-21 01:53:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2021-11-21 01:53:28,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2021-11-21 01:53:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 1752 states have (on average 1.341324200913242) internal successors, (2350), 1844 states have internal predecessors, (2350), 826 states have call successors, (826), 178 states have call predecessors, (826), 179 states have return successors, (845), 780 states have call predecessors, (845), 824 states have call successors, (845) [2021-11-21 01:53:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 4021 transitions. [2021-11-21 01:53:28,307 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 4021 transitions. Word has length 103 [2021-11-21 01:53:28,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:53:28,308 INFO L470 AbstractCegarLoop]: Abstraction has 2768 states and 4021 transitions. [2021-11-21 01:53:28,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:53:28,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 4021 transitions. [2021-11-21 01:53:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 01:53:28,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:53:28,311 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:53:28,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 01:53:28,311 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:53:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:53:28,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1584308501, now seen corresponding path program 1 times [2021-11-21 01:53:28,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:53:28,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63896526] [2021-11-21 01:53:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:28,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:53:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:53:28,868 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:28,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63896526] [2021-11-21 01:53:28,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63896526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:53:28,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:53:28,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:53:28,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917522702] [2021-11-21 01:53:28,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:53:28,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:53:28,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:53:28,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:53:28,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:53:28,870 INFO L87 Difference]: Start difference. First operand 2768 states and 4021 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:53:33,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:37,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:43,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:53:44,321 INFO L93 Difference]: Finished difference Result 2768 states and 4021 transitions. [2021-11-21 01:53:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:53:44,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 108 [2021-11-21 01:53:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:53:44,339 INFO L225 Difference]: With dead ends: 2768 [2021-11-21 01:53:44,339 INFO L226 Difference]: Without dead ends: 2766 [2021-11-21 01:53:44,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:53:44,343 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 2229 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 3874 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:53:44,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2242 Valid, 3874 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2021-11-21 01:53:44,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2021-11-21 01:53:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2766. [2021-11-21 01:53:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 1751 states have (on average 1.3403769274700172) internal successors, (2347), 1842 states have internal predecessors, (2347), 826 states have call successors, (826), 178 states have call predecessors, (826), 179 states have return successors, (845), 780 states have call predecessors, (845), 824 states have call successors, (845) [2021-11-21 01:53:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4018 transitions. [2021-11-21 01:53:44,557 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4018 transitions. Word has length 108 [2021-11-21 01:53:44,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:53:44,558 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 4018 transitions. [2021-11-21 01:53:44,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:53:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4018 transitions. [2021-11-21 01:53:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 01:53:44,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:53:44,561 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:53:44,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 01:53:44,562 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:53:44,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:53:44,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1431088717, now seen corresponding path program 1 times [2021-11-21 01:53:44,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:53:44,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296771350] [2021-11-21 01:53:44,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:44,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:53:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:53:44,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:44,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296771350] [2021-11-21 01:53:44,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296771350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:53:44,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:53:44,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:53:44,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38972713] [2021-11-21 01:53:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:53:44,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:53:44,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:53:44,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:53:44,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:53:44,994 INFO L87 Difference]: Start difference. First operand 2766 states and 4018 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:53:50,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:53,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:59,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:00,774 INFO L93 Difference]: Finished difference Result 2766 states and 4018 transitions. [2021-11-21 01:54:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:54:00,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2021-11-21 01:54:00,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:00,791 INFO L225 Difference]: With dead ends: 2766 [2021-11-21 01:54:00,791 INFO L226 Difference]: Without dead ends: 2764 [2021-11-21 01:54:00,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:54:00,795 INFO L933 BasicCegarLoop]: 1882 mSDtfsCounter, 2226 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:00,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2239 Valid, 3870 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-21 01:54:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2021-11-21 01:54:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2764. [2021-11-21 01:54:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 1750 states have (on average 1.3394285714285714) internal successors, (2344), 1840 states have internal predecessors, (2344), 826 states have call successors, (826), 178 states have call predecessors, (826), 179 states have return successors, (845), 780 states have call predecessors, (845), 824 states have call successors, (845) [2021-11-21 01:54:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 4015 transitions. [2021-11-21 01:54:01,090 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 4015 transitions. Word has length 113 [2021-11-21 01:54:01,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:01,091 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 4015 transitions. [2021-11-21 01:54:01,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:54:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 4015 transitions. [2021-11-21 01:54:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 01:54:01,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:01,094 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:01,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 01:54:01,095 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:54:01,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1185321173, now seen corresponding path program 1 times [2021-11-21 01:54:01,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:01,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266402667] [2021-11-21 01:54:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:01,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-21 01:54:01,969 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:01,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266402667] [2021-11-21 01:54:01,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266402667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:01,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:54:01,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:54:01,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071494487] [2021-11-21 01:54:01,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:01,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:54:01,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:54:01,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:54:01,971 INFO L87 Difference]: Start difference. First operand 2764 states and 4015 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-11-21 01:54:09,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:13,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:15,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:17,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:19,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:20,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:30,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:32,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:32,559 INFO L93 Difference]: Finished difference Result 2791 states and 4047 transitions. [2021-11-21 01:54:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:54:32,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2021-11-21 01:54:32,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:32,572 INFO L225 Difference]: With dead ends: 2791 [2021-11-21 01:54:32,573 INFO L226 Difference]: Without dead ends: 2789 [2021-11-21 01:54:32,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:54:32,576 INFO L933 BasicCegarLoop]: 1886 mSDtfsCounter, 380 mSDsluCounter, 8693 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 8882 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:32,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 8882 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2206 Invalid, 4 Unknown, 0 Unchecked, 30.2s Time] [2021-11-21 01:54:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2021-11-21 01:54:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2789. [2021-11-21 01:54:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2789 states, 1766 states have (on average 1.3386183465458663) internal successors, (2364), 1856 states have internal predecessors, (2364), 831 states have call successors, (831), 182 states have call predecessors, (831), 183 states have return successors, (850), 785 states have call predecessors, (850), 829 states have call successors, (850) [2021-11-21 01:54:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 4045 transitions. [2021-11-21 01:54:32,797 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 4045 transitions. Word has length 121 [2021-11-21 01:54:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:32,797 INFO L470 AbstractCegarLoop]: Abstraction has 2789 states and 4045 transitions. [2021-11-21 01:54:32,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-11-21 01:54:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 4045 transitions. [2021-11-21 01:54:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 01:54:32,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:32,801 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:32,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 01:54:32,802 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:54:32,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:32,802 INFO L85 PathProgramCache]: Analyzing trace with hash -770049845, now seen corresponding path program 1 times [2021-11-21 01:54:32,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:32,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538153209] [2021-11-21 01:54:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:32,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:54:33,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:33,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538153209] [2021-11-21 01:54:33,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538153209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:33,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:54:33,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:54:33,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432628599] [2021-11-21 01:54:33,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:33,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:54:33,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:33,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:54:33,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:54:33,284 INFO L87 Difference]: Start difference. First operand 2789 states and 4045 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 01:54:38,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:41,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:47,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:48,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:54:48,518 INFO L93 Difference]: Finished difference Result 2789 states and 4045 transitions. [2021-11-21 01:54:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:54:48,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2021-11-21 01:54:48,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:54:48,533 INFO L225 Difference]: With dead ends: 2789 [2021-11-21 01:54:48,534 INFO L226 Difference]: Without dead ends: 2787 [2021-11-21 01:54:48,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:54:48,536 INFO L933 BasicCegarLoop]: 1880 mSDtfsCounter, 2223 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 3866 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:54:48,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 3866 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2021-11-21 01:54:48,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2021-11-21 01:54:48,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2787. [2021-11-21 01:54:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 1765 states have (on average 1.3376770538243625) internal successors, (2361), 1854 states have internal predecessors, (2361), 831 states have call successors, (831), 182 states have call predecessors, (831), 183 states have return successors, (850), 785 states have call predecessors, (850), 829 states have call successors, (850) [2021-11-21 01:54:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 4042 transitions. [2021-11-21 01:54:48,743 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 4042 transitions. Word has length 118 [2021-11-21 01:54:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:54:48,744 INFO L470 AbstractCegarLoop]: Abstraction has 2787 states and 4042 transitions. [2021-11-21 01:54:48,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 01:54:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 4042 transitions. [2021-11-21 01:54:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 01:54:48,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:54:48,748 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:54:48,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 01:54:48,749 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:54:48,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:54:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1447381311, now seen corresponding path program 1 times [2021-11-21 01:54:48,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:54:48,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832020637] [2021-11-21 01:54:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:54:48,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:54:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:54:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:54:49,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:54:49,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832020637] [2021-11-21 01:54:49,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832020637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:54:49,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:54:49,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:54:49,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937917002] [2021-11-21 01:54:49,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:54:49,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:54:49,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:54:49,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:54:49,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:54:49,188 INFO L87 Difference]: Start difference. First operand 2787 states and 4042 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 01:54:54,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:54:57,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:55:03,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:55:04,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:04,736 INFO L93 Difference]: Finished difference Result 2787 states and 4042 transitions. [2021-11-21 01:55:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:55:04,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2021-11-21 01:55:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:04,749 INFO L225 Difference]: With dead ends: 2787 [2021-11-21 01:55:04,749 INFO L226 Difference]: Without dead ends: 2785 [2021-11-21 01:55:04,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:55:04,753 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 2220 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:04,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2233 Valid, 3862 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2021-11-21 01:55:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-11-21 01:55:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2785. [2021-11-21 01:55:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 1764 states have (on average 1.336734693877551) internal successors, (2358), 1852 states have internal predecessors, (2358), 831 states have call successors, (831), 182 states have call predecessors, (831), 183 states have return successors, (850), 785 states have call predecessors, (850), 829 states have call successors, (850) [2021-11-21 01:55:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 4039 transitions. [2021-11-21 01:55:04,992 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 4039 transitions. Word has length 123 [2021-11-21 01:55:04,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:04,992 INFO L470 AbstractCegarLoop]: Abstraction has 2785 states and 4039 transitions. [2021-11-21 01:55:04,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 01:55:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 4039 transitions. [2021-11-21 01:55:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-21 01:55:04,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:04,999 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:55:04,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 01:55:05,000 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-21 01:55:05,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:05,000 INFO L85 PathProgramCache]: Analyzing trace with hash 352540159, now seen corresponding path program 1 times [2021-11-21 01:55:05,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:05,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214417739] [2021-11-21 01:55:05,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:05,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 01:55:05,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:05,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214417739] [2021-11-21 01:55:05,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214417739] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:55:05,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785864171] [2021-11-21 01:55:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:05,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:05,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:05,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:05,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591dcf38-9573-4c63-be68-82a1d253d7a6/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:55:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:07,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 7089 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 01:55:07,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-21 01:55:09,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:55:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-21 01:55:11,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785864171] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:55:11,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [571305354] [2021-11-21 01:55:11,104 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2021-11-21 01:55:11,105 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:55:11,109 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:55:11,114 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:55:11,115 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:55:47,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:57:05,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:57:52,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:58:01,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:58:51,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:59:14,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:59:49,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 01:59:55,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 02:00:08,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-21 02:01:42,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176