./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--net--ethernet--8390--pcnet_cs.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_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/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_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/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_afe0a571-87bc-49c8-af41-2666c7cfa008/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 274050ce25e73de8cc1ed86f63ba21850687938f96f1d000f839b96904fb551e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:56:15,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:56:15,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:56:16,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:56:16,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:56:16,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:56:16,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:56:16,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:56:16,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:56:16,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:56:16,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:56:16,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:56:16,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:56:16,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:56:16,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:56:16,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:56:16,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:56:16,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:56:16,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:56:16,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:56:16,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:56:16,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:56:16,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:56:16,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:56:16,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:56:16,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:56:16,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:56:16,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:56:16,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:56:16,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:56:16,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:56:16,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:56:16,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:56:16,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:56:16,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:56:16,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:56:16,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:56:16,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:56:16,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:56:16,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:56:16,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:56:16,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:56:16,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:56:16,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:56:16,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:56:16,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:56:16,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:56:16,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:56:16,091 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:56:16,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:56:16,092 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:56:16,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:56:16,093 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:56:16,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:56:16,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:56:16,094 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:56:16,094 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:56:16,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:56:16,095 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:56:16,096 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:56:16,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:56:16,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:56:16,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:56:16,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:56:16,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:56:16,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:56:16,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:56:16,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:56:16,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:56:16,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:56:16,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:56:16,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:56:16,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:56:16,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:56:16,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:56:16,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:56:16,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:56:16,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:56:16,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:56:16,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:56:16,103 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_afe0a571-87bc-49c8-af41-2666c7cfa008/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 274050ce25e73de8cc1ed86f63ba21850687938f96f1d000f839b96904fb551e [2021-11-20 23:56:16,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:56:16,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:56:16,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:56:16,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:56:16,388 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:56:16,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i [2021-11-20 23:56:16,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/data/bfbd7e220/488e67ce1b3d46cdb939746b4f9ea6ef/FLAG669a45ae7 [2021-11-20 23:56:17,566 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:56:17,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i [2021-11-20 23:56:17,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/data/bfbd7e220/488e67ce1b3d46cdb939746b4f9ea6ef/FLAG669a45ae7 [2021-11-20 23:56:17,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/data/bfbd7e220/488e67ce1b3d46cdb939746b4f9ea6ef [2021-11-20 23:56:17,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:56:17,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:56:17,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:56:17,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:56:17,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:56:17,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:17" (1/1) ... [2021-11-20 23:56:17,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6c72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:17, skipping insertion in model container [2021-11-20 23:56:17,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:17" (1/1) ... [2021-11-20 23:56:17,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:56:18,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:56:22,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434383,434396] [2021-11-20 23:56:22,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434528,434541] [2021-11-20 23:56:22,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434674,434687] [2021-11-20 23:56:22,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434839,434852] [2021-11-20 23:56:22,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434997,435010] [2021-11-20 23:56:22,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435155,435168] [2021-11-20 23:56:22,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435313,435326] [2021-11-20 23:56:22,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435473,435486] [2021-11-20 23:56:22,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435632,435645] [2021-11-20 23:56:22,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435771,435784] [2021-11-20 23:56:22,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435913,435926] [2021-11-20 23:56:22,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436062,436075] [2021-11-20 23:56:22,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436201,436214] [2021-11-20 23:56:22,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436356,436369] [2021-11-20 23:56:22,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436516,436529] [2021-11-20 23:56:22,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436667,436680] [2021-11-20 23:56:22,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436818,436831] [2021-11-20 23:56:22,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436970,436983] [2021-11-20 23:56:22,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437119,437132] [2021-11-20 23:56:22,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437267,437280] [2021-11-20 23:56:22,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437424,437437] [2021-11-20 23:56:22,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437573,437586] [2021-11-20 23:56:22,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437729,437742] [2021-11-20 23:56:22,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437882,437895] [2021-11-20 23:56:22,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438028,438041] [2021-11-20 23:56:22,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438171,438184] [2021-11-20 23:56:22,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438323,438336] [2021-11-20 23:56:22,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438469,438482] [2021-11-20 23:56:22,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438614,438627] [2021-11-20 23:56:22,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438768,438781] [2021-11-20 23:56:22,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438919,438932] [2021-11-20 23:56:22,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439074,439087] [2021-11-20 23:56:22,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439226,439239] [2021-11-20 23:56:22,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439381,439394] [2021-11-20 23:56:22,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439545,439558] [2021-11-20 23:56:22,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439701,439714] [2021-11-20 23:56:22,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439865,439878] [2021-11-20 23:56:22,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440007,440020] [2021-11-20 23:56:22,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440165,440178] [2021-11-20 23:56:22,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440332,440345] [2021-11-20 23:56:22,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440491,440504] [2021-11-20 23:56:22,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440650,440663] [2021-11-20 23:56:22,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440799,440812] [2021-11-20 23:56:22,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440946,440959] [2021-11-20 23:56:22,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441085,441098] [2021-11-20 23:56:22,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441248,441261] [2021-11-20 23:56:22,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441414,441427] [2021-11-20 23:56:22,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441578,441591] [2021-11-20 23:56:22,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441743,441756] [2021-11-20 23:56:22,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441908,441921] [2021-11-20 23:56:22,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442074,442087] [2021-11-20 23:56:22,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442239,442252] [2021-11-20 23:56:22,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442406,442419] [2021-11-20 23:56:22,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442566,442579] [2021-11-20 23:56:22,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442728,442741] [2021-11-20 23:56:22,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442887,442900] [2021-11-20 23:56:22,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443033,443046] [2021-11-20 23:56:22,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443176,443189] [2021-11-20 23:56:22,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443320,443333] [2021-11-20 23:56:22,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443463,443476] [2021-11-20 23:56:22,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443607,443620] [2021-11-20 23:56:22,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443748,443761] [2021-11-20 23:56:22,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443886,443899] [2021-11-20 23:56:22,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444044,444057] [2021-11-20 23:56:22,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444203,444216] [2021-11-20 23:56:22,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444359,444372] [2021-11-20 23:56:22,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444508,444521] [2021-11-20 23:56:22,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444660,444673] [2021-11-20 23:56:22,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444811,444824] [2021-11-20 23:56:22,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444960,444973] [2021-11-20 23:56:22,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445112,445125] [2021-11-20 23:56:22,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445260,445273] [2021-11-20 23:56:22,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445413,445426] [2021-11-20 23:56:22,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445564,445577] [2021-11-20 23:56:22,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445714,445727] [2021-11-20 23:56:22,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445861,445874] [2021-11-20 23:56:22,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446012,446025] [2021-11-20 23:56:22,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446163,446176] [2021-11-20 23:56:22,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446311,446324] [2021-11-20 23:56:22,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446477,446490] [2021-11-20 23:56:22,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446646,446659] [2021-11-20 23:56:22,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446813,446826] [2021-11-20 23:56:22,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446981,446994] [2021-11-20 23:56:22,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447131,447144] [2021-11-20 23:56:22,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447278,447291] [2021-11-20 23:56:22,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447439,447452] [2021-11-20 23:56:22,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447609,447622] [2021-11-20 23:56:22,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447771,447784] [2021-11-20 23:56:22,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:56:22,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:56:22,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434383,434396] [2021-11-20 23:56:22,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434528,434541] [2021-11-20 23:56:22,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434674,434687] [2021-11-20 23:56:22,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434839,434852] [2021-11-20 23:56:22,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[434997,435010] [2021-11-20 23:56:22,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435155,435168] [2021-11-20 23:56:22,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435313,435326] [2021-11-20 23:56:22,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435473,435486] [2021-11-20 23:56:22,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435632,435645] [2021-11-20 23:56:22,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435771,435784] [2021-11-20 23:56:22,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[435913,435926] [2021-11-20 23:56:22,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436062,436075] [2021-11-20 23:56:22,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436201,436214] [2021-11-20 23:56:22,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436356,436369] [2021-11-20 23:56:22,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436516,436529] [2021-11-20 23:56:22,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436667,436680] [2021-11-20 23:56:22,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436818,436831] [2021-11-20 23:56:22,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[436970,436983] [2021-11-20 23:56:22,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437119,437132] [2021-11-20 23:56:22,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437267,437280] [2021-11-20 23:56:22,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437424,437437] [2021-11-20 23:56:22,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437573,437586] [2021-11-20 23:56:22,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437729,437742] [2021-11-20 23:56:22,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[437882,437895] [2021-11-20 23:56:22,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438028,438041] [2021-11-20 23:56:22,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438171,438184] [2021-11-20 23:56:22,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438323,438336] [2021-11-20 23:56:22,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438469,438482] [2021-11-20 23:56:22,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438614,438627] [2021-11-20 23:56:22,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438768,438781] [2021-11-20 23:56:22,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[438919,438932] [2021-11-20 23:56:22,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439074,439087] [2021-11-20 23:56:22,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439226,439239] [2021-11-20 23:56:22,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439381,439394] [2021-11-20 23:56:22,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439545,439558] [2021-11-20 23:56:22,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439701,439714] [2021-11-20 23:56:22,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[439865,439878] [2021-11-20 23:56:22,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440007,440020] [2021-11-20 23:56:22,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440165,440178] [2021-11-20 23:56:22,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440332,440345] [2021-11-20 23:56:22,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440491,440504] [2021-11-20 23:56:22,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440650,440663] [2021-11-20 23:56:22,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440799,440812] [2021-11-20 23:56:22,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[440946,440959] [2021-11-20 23:56:22,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441085,441098] [2021-11-20 23:56:22,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441248,441261] [2021-11-20 23:56:22,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441414,441427] [2021-11-20 23:56:22,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441578,441591] [2021-11-20 23:56:22,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441743,441756] [2021-11-20 23:56:22,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[441908,441921] [2021-11-20 23:56:22,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442074,442087] [2021-11-20 23:56:22,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442239,442252] [2021-11-20 23:56:22,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442406,442419] [2021-11-20 23:56:22,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442566,442579] [2021-11-20 23:56:22,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442728,442741] [2021-11-20 23:56:22,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[442887,442900] [2021-11-20 23:56:22,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443033,443046] [2021-11-20 23:56:22,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443176,443189] [2021-11-20 23:56:22,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443320,443333] [2021-11-20 23:56:22,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443463,443476] [2021-11-20 23:56:22,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443607,443620] [2021-11-20 23:56:22,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443748,443761] [2021-11-20 23:56:22,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[443886,443899] [2021-11-20 23:56:22,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444044,444057] [2021-11-20 23:56:22,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444203,444216] [2021-11-20 23:56:22,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444359,444372] [2021-11-20 23:56:22,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444508,444521] [2021-11-20 23:56:22,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444660,444673] [2021-11-20 23:56:22,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444811,444824] [2021-11-20 23:56:22,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[444960,444973] [2021-11-20 23:56:22,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445112,445125] [2021-11-20 23:56:22,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445260,445273] [2021-11-20 23:56:22,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445413,445426] [2021-11-20 23:56:22,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445564,445577] [2021-11-20 23:56:22,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445714,445727] [2021-11-20 23:56:22,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[445861,445874] [2021-11-20 23:56:22,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446012,446025] [2021-11-20 23:56:22,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446163,446176] [2021-11-20 23:56:22,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446311,446324] [2021-11-20 23:56:22,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446477,446490] [2021-11-20 23:56:22,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446646,446659] [2021-11-20 23:56:22,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446813,446826] [2021-11-20 23:56:22,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[446981,446994] [2021-11-20 23:56:22,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447131,447144] [2021-11-20 23:56:22,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447278,447291] [2021-11-20 23:56:22,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447439,447452] [2021-11-20 23:56:22,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447609,447622] [2021-11-20 23:56:22,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i[447771,447784] [2021-11-20 23:56:22,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:56:23,278 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:56:23,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23 WrapperNode [2021-11-20 23:56:23,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:56:23,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:56:23,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:56:23,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:56:23,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:23,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,018 INFO L137 Inliner]: procedures = 558, calls = 6257, calls flagged for inlining = 238, calls inlined = 142, statements flattened = 10805 [2021-11-20 23:56:24,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:56:24,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:56:24,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:56:24,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:56:24,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:56:24,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:56:24,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:56:24,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:56:24,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (1/1) ... [2021-11-20 23:56:24,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:56:24,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:56:24,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:56:24,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:56:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:56:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:56:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-20 23:56:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-20 23:56:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:56:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:56:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:56:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:56:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:56:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:56:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:56:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:56:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_dma_config [2021-11-20 23:56:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_dma_config [2021-11-20 23:56:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:56:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:56:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:56:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:56:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:56:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:56:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:56:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:56:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:56:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2021-11-20 23:56:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2021-11-20 23:56:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:56:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:56:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:56:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:56:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:56:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:56:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:56:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_misc_reg [2021-11-20 23:56:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_misc_reg [2021-11-20 23:56:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:56:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:56:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:56:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:56:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:56:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:56:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet_release [2021-11-20 23:56:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet_release [2021-11-20 23:56:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:56:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:56:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2021-11-20 23:56:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2021-11-20 23:56:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_map_mem_page [2021-11-20 23:56:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_map_mem_page [2021-11-20 23:56:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:56:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:56:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:56:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-11-20 23:56:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-11-20 23:56:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:56:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:56:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:56:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:56:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:56:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:56:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:56:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:56:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-20 23:56:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-20 23:56:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-20 23:56:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-20 23:56:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:56:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:56:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:56:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet_detach [2021-11-20 23:56:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet_detach [2021-11-20 23:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-20 23:56:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-20 23:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:56:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:56:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-20 23:56:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-20 23:56:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:56:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:56:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:56:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:56:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2021-11-20 23:56:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2021-11-20 23:56:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_window [2021-11-20 23:56:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_window [2021-11-20 23:56:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:56:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:56:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:56:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:56:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 23:56:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 23:56:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-20 23:56:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-20 23:56:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2021-11-20 23:56:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2021-11-20 23:56:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:56:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:56:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:56:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2021-11-20 23:56:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2021-11-20 23:56:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:56:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:56:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 23:56:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 23:56:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:56:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:56:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-20 23:56:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-20 23:56:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:56:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:56:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:56:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:56:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2021-11-20 23:56:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2021-11-20 23:56:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet_reset_8390 [2021-11-20 23:56:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet_reset_8390 [2021-11-20 23:56:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2021-11-20 23:56:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2021-11-20 23:56:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet_try_config [2021-11-20 23:56:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet_try_config [2021-11-20 23:56:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:56:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:56:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:56:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:56:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:56:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:56:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:56:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:56:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:56:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:56:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:56:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:56:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:56:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure __readw [2021-11-20 23:56:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __readw [2021-11-20 23:56:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure __writew [2021-11-20 23:56:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __writew [2021-11-20 23:56:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 23:56:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 23:56:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2021-11-20 23:56:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2021-11-20 23:56:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:56:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-11-20 23:56:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-11-20 23:56:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-20 23:56:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-20 23:56:25,535 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:56:25,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:56:25,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:56:53,359 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:56:54,010 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:56:54,011 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:56:54,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:56:54 BoogieIcfgContainer [2021-11-20 23:56:54,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:56:54,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:56:54,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:56:54,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:56:54,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:56:17" (1/3) ... [2021-11-20 23:56:54,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682a2248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:56:54, skipping insertion in model container [2021-11-20 23:56:54,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:23" (2/3) ... [2021-11-20 23:56:54,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682a2248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:56:54, skipping insertion in model container [2021-11-20 23:56:54,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:56:54" (3/3) ... [2021-11-20 23:56:54,026 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--8390--pcnet_cs.ko.cil.i [2021-11-20 23:56:54,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:56:54,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-11-20 23:56:54,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:56:54,112 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 [2021-11-20 23:56:54,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-11-20 23:56:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 786 states, 446 states have (on average 1.3206278026905829) internal successors, (589), 484 states have internal predecessors, (589), 251 states have call successors, (251), 67 states have call predecessors, (251), 66 states have return successors, (247), 245 states have call predecessors, (247), 247 states have call successors, (247) [2021-11-20 23:56:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 23:56:54,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:54,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:56:54,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:56:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:54,199 INFO L85 PathProgramCache]: Analyzing trace with hash 944174265, now seen corresponding path program 1 times [2021-11-20 23:56:54,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:54,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071484995] [2021-11-20 23:56:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:54,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:56:57,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:57,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071484995] [2021-11-20 23:56:57,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071484995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:57,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:57,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:56:57,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88878608] [2021-11-20 23:56:57,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:57,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:56:57,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:56:57,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:56:57,564 INFO L87 Difference]: Start difference. First operand has 786 states, 446 states have (on average 1.3206278026905829) internal successors, (589), 484 states have internal predecessors, (589), 251 states have call successors, (251), 67 states have call predecessors, (251), 66 states have return successors, (247), 245 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 23:57:00,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:03,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:03,262 INFO L93 Difference]: Finished difference Result 2241 states and 3198 transitions. [2021-11-20 23:57:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:57:03,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-20 23:57:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:03,307 INFO L225 Difference]: With dead ends: 2241 [2021-11-20 23:57:03,308 INFO L226 Difference]: Without dead ends: 1453 [2021-11-20 23:57:03,321 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 [2021-11-20 23:57:03,324 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 931 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:03,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 3164 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 446 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-20 23:57:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2021-11-20 23:57:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1292. [2021-11-20 23:57:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 743 states have (on average 1.2718707940780618) internal successors, (945), 794 states have internal predecessors, (945), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1790 transitions. [2021-11-20 23:57:03,528 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1790 transitions. Word has length 47 [2021-11-20 23:57:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:03,529 INFO L470 AbstractCegarLoop]: Abstraction has 1292 states and 1790 transitions. [2021-11-20 23:57:03,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 23:57:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1790 transitions. [2021-11-20 23:57:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 23:57:03,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:03,533 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:03,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:57:03,534 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:03,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:03,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1191824397, now seen corresponding path program 1 times [2021-11-20 23:57:03,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:03,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289270389] [2021-11-20 23:57:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:03,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:05,918 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:05,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289270389] [2021-11-20 23:57:05,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289270389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:05,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:05,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:05,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687686344] [2021-11-20 23:57:05,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:05,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:05,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:05,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:05,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:05,921 INFO L87 Difference]: Start difference. First operand 1292 states and 1790 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 23:57:08,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:10,462 INFO L93 Difference]: Finished difference Result 1292 states and 1790 transitions. [2021-11-20 23:57:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:10,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-20 23:57:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:10,480 INFO L225 Difference]: With dead ends: 1292 [2021-11-20 23:57:10,480 INFO L226 Difference]: Without dead ends: 1290 [2021-11-20 23:57:10,482 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 [2021-11-20 23:57:10,485 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 1026 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:10,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 1800 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 23:57:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2021-11-20 23:57:10,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2021-11-20 23:57:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 742 states have (on average 1.2708894878706198) internal successors, (943), 792 states have internal predecessors, (943), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1788 transitions. [2021-11-20 23:57:10,606 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1788 transitions. Word has length 52 [2021-11-20 23:57:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:10,607 INFO L470 AbstractCegarLoop]: Abstraction has 1290 states and 1788 transitions. [2021-11-20 23:57:10,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 23:57:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1788 transitions. [2021-11-20 23:57:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 23:57:10,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:10,617 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:10,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:57:10,618 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:10,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:10,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1259547679, now seen corresponding path program 1 times [2021-11-20 23:57:10,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:10,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250687798] [2021-11-20 23:57:10,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:10,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:12,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:12,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250687798] [2021-11-20 23:57:12,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250687798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:12,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:12,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:12,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715547188] [2021-11-20 23:57:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:12,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:12,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:12,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:12,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:12,764 INFO L87 Difference]: Start difference. First operand 1290 states and 1788 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 23:57:15,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:17,149 INFO L93 Difference]: Finished difference Result 1290 states and 1788 transitions. [2021-11-20 23:57:17,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:17,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2021-11-20 23:57:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:17,163 INFO L225 Difference]: With dead ends: 1290 [2021-11-20 23:57:17,163 INFO L226 Difference]: Without dead ends: 1288 [2021-11-20 23:57:17,164 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 [2021-11-20 23:57:17,165 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1023 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:17,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1025 Valid, 1796 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 23:57:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2021-11-20 23:57:17,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2021-11-20 23:57:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 741 states have (on average 1.269905533063428) internal successors, (941), 790 states have internal predecessors, (941), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1786 transitions. [2021-11-20 23:57:17,259 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1786 transitions. Word has length 57 [2021-11-20 23:57:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:17,259 INFO L470 AbstractCegarLoop]: Abstraction has 1288 states and 1786 transitions. [2021-11-20 23:57:17,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 23:57:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1786 transitions. [2021-11-20 23:57:17,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 23:57:17,261 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:17,262 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:17,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:57:17,262 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1755766102, now seen corresponding path program 1 times [2021-11-20 23:57:17,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:17,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648213423] [2021-11-20 23:57:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:17,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:19,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:19,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648213423] [2021-11-20 23:57:19,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648213423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:19,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:19,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:19,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004688917] [2021-11-20 23:57:19,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:19,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:19,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:19,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:19,351 INFO L87 Difference]: Start difference. First operand 1288 states and 1786 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:57:21,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:23,714 INFO L93 Difference]: Finished difference Result 1288 states and 1786 transitions. [2021-11-20 23:57:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:23,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2021-11-20 23:57:23,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:23,725 INFO L225 Difference]: With dead ends: 1288 [2021-11-20 23:57:23,726 INFO L226 Difference]: Without dead ends: 1286 [2021-11-20 23:57:23,727 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 [2021-11-20 23:57:23,728 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 1020 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:23,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1022 Valid, 1792 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-20 23:57:23,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-11-20 23:57:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2021-11-20 23:57:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 740 states have (on average 1.268918918918919) internal successors, (939), 788 states have internal predecessors, (939), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1784 transitions. [2021-11-20 23:57:23,819 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1784 transitions. Word has length 62 [2021-11-20 23:57:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:23,820 INFO L470 AbstractCegarLoop]: Abstraction has 1286 states and 1784 transitions. [2021-11-20 23:57:23,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:57:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1784 transitions. [2021-11-20 23:57:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 23:57:23,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:23,822 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:23,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:57:23,822 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash -530097181, now seen corresponding path program 1 times [2021-11-20 23:57:23,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:23,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318050388] [2021-11-20 23:57:23,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:23,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:25,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:25,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318050388] [2021-11-20 23:57:25,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318050388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:25,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:25,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:25,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522478454] [2021-11-20 23:57:25,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:25,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:25,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:25,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:25,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:25,541 INFO L87 Difference]: Start difference. First operand 1286 states and 1784 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 23:57:27,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:30,134 INFO L93 Difference]: Finished difference Result 1286 states and 1784 transitions. [2021-11-20 23:57:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:30,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2021-11-20 23:57:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:30,146 INFO L225 Difference]: With dead ends: 1286 [2021-11-20 23:57:30,146 INFO L226 Difference]: Without dead ends: 1284 [2021-11-20 23:57:30,147 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 [2021-11-20 23:57:30,149 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 1017 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:30,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1019 Valid, 1788 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-20 23:57:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2021-11-20 23:57:30,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2021-11-20 23:57:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 739 states have (on average 1.2679296346414073) internal successors, (937), 786 states have internal predecessors, (937), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1782 transitions. [2021-11-20 23:57:30,232 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1782 transitions. Word has length 67 [2021-11-20 23:57:30,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:30,234 INFO L470 AbstractCegarLoop]: Abstraction has 1284 states and 1782 transitions. [2021-11-20 23:57:30,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 23:57:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1782 transitions. [2021-11-20 23:57:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 23:57:30,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:30,236 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:30,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:57:30,237 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:30,238 INFO L85 PathProgramCache]: Analyzing trace with hash 729540815, now seen corresponding path program 1 times [2021-11-20 23:57:30,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:30,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602489858] [2021-11-20 23:57:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:30,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:32,216 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:32,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602489858] [2021-11-20 23:57:32,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602489858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:32,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:32,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:32,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172174819] [2021-11-20 23:57:32,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:32,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:32,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:32,219 INFO L87 Difference]: Start difference. First operand 1284 states and 1782 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 23:57:34,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:36,538 INFO L93 Difference]: Finished difference Result 1284 states and 1782 transitions. [2021-11-20 23:57:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:36,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2021-11-20 23:57:36,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:36,550 INFO L225 Difference]: With dead ends: 1284 [2021-11-20 23:57:36,550 INFO L226 Difference]: Without dead ends: 1282 [2021-11-20 23:57:36,551 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 [2021-11-20 23:57:36,552 INFO L933 BasicCegarLoop]: 892 mSDtfsCounter, 1014 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:36,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1016 Valid, 1784 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-20 23:57:36,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2021-11-20 23:57:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2021-11-20 23:57:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 738 states have (on average 1.2669376693766938) internal successors, (935), 784 states have internal predecessors, (935), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1780 transitions. [2021-11-20 23:57:36,655 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1780 transitions. Word has length 72 [2021-11-20 23:57:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:36,656 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1780 transitions. [2021-11-20 23:57:36,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 23:57:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1780 transitions. [2021-11-20 23:57:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 23:57:36,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:36,658 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:36,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:57:36,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1613506135, now seen corresponding path program 1 times [2021-11-20 23:57:36,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:36,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742033249] [2021-11-20 23:57:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:36,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:38,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:38,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742033249] [2021-11-20 23:57:38,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742033249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:38,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:38,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:38,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289075001] [2021-11-20 23:57:38,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:38,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:38,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:38,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:38,670 INFO L87 Difference]: Start difference. First operand 1282 states and 1780 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 23:57:40,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:42,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:42,686 INFO L93 Difference]: Finished difference Result 1282 states and 1780 transitions. [2021-11-20 23:57:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:42,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-20 23:57:42,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:42,698 INFO L225 Difference]: With dead ends: 1282 [2021-11-20 23:57:42,698 INFO L226 Difference]: Without dead ends: 1280 [2021-11-20 23:57:42,699 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 [2021-11-20 23:57:42,700 INFO L933 BasicCegarLoop]: 890 mSDtfsCounter, 1011 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:42,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1013 Valid, 1780 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-20 23:57:42,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2021-11-20 23:57:42,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1280. [2021-11-20 23:57:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 737 states have (on average 1.2659430122116688) internal successors, (933), 782 states have internal predecessors, (933), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1778 transitions. [2021-11-20 23:57:42,785 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1778 transitions. Word has length 77 [2021-11-20 23:57:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:42,786 INFO L470 AbstractCegarLoop]: Abstraction has 1280 states and 1778 transitions. [2021-11-20 23:57:42,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 23:57:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1778 transitions. [2021-11-20 23:57:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 23:57:42,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:42,788 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:42,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:57:42,788 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:42,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:42,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2053597803, now seen corresponding path program 1 times [2021-11-20 23:57:42,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:42,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384771905] [2021-11-20 23:57:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:44,460 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:44,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384771905] [2021-11-20 23:57:44,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384771905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:44,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:44,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:44,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535353202] [2021-11-20 23:57:44,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:44,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:44,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:44,463 INFO L87 Difference]: Start difference. First operand 1280 states and 1778 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:57:46,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:48,450 INFO L93 Difference]: Finished difference Result 1280 states and 1778 transitions. [2021-11-20 23:57:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:48,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-20 23:57:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:48,461 INFO L225 Difference]: With dead ends: 1280 [2021-11-20 23:57:48,461 INFO L226 Difference]: Without dead ends: 1278 [2021-11-20 23:57:48,463 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 [2021-11-20 23:57:48,464 INFO L933 BasicCegarLoop]: 888 mSDtfsCounter, 1012 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:48,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1014 Valid, 1772 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-20 23:57:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2021-11-20 23:57:48,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2021-11-20 23:57:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 736 states have (on average 1.264945652173913) internal successors, (931), 780 states have internal predecessors, (931), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1776 transitions. [2021-11-20 23:57:48,548 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1776 transitions. Word has length 82 [2021-11-20 23:57:48,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:48,549 INFO L470 AbstractCegarLoop]: Abstraction has 1278 states and 1776 transitions. [2021-11-20 23:57:48,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:57:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1776 transitions. [2021-11-20 23:57:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-20 23:57:48,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:48,551 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:48,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:57:48,552 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:48,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:48,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2117649646, now seen corresponding path program 1 times [2021-11-20 23:57:48,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:48,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099002053] [2021-11-20 23:57:48,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:48,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:50,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:50,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099002053] [2021-11-20 23:57:50,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099002053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:50,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:50,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:50,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821296785] [2021-11-20 23:57:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:50,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:50,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:50,282 INFO L87 Difference]: Start difference. First operand 1278 states and 1776 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:57:52,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:54,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:54,351 INFO L93 Difference]: Finished difference Result 1278 states and 1776 transitions. [2021-11-20 23:57:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:54,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-20 23:57:54,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:54,360 INFO L225 Difference]: With dead ends: 1278 [2021-11-20 23:57:54,361 INFO L226 Difference]: Without dead ends: 1276 [2021-11-20 23:57:54,362 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 [2021-11-20 23:57:54,363 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 1004 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:54,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1006 Valid, 1772 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-20 23:57:54,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-11-20 23:57:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2021-11-20 23:57:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 735 states have (on average 1.2639455782312925) internal successors, (929), 778 states have internal predecessors, (929), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:57:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1774 transitions. [2021-11-20 23:57:54,454 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1774 transitions. Word has length 84 [2021-11-20 23:57:54,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:54,454 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1774 transitions. [2021-11-20 23:57:54,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:57:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1774 transitions. [2021-11-20 23:57:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 23:57:54,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:54,457 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:54,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:57:54,457 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:57:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash -334572361, now seen corresponding path program 1 times [2021-11-20 23:57:54,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:54,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734173458] [2021-11-20 23:57:54,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:54,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:56,035 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:56,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734173458] [2021-11-20 23:57:56,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734173458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:56,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:56,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:56,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885109966] [2021-11-20 23:57:56,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:56,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:56,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:56,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:56,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:56,038 INFO L87 Difference]: Start difference. First operand 1276 states and 1774 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:57:58,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:59,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:59,935 INFO L93 Difference]: Finished difference Result 1276 states and 1774 transitions. [2021-11-20 23:57:59,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:59,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-20 23:57:59,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:59,943 INFO L225 Difference]: With dead ends: 1276 [2021-11-20 23:57:59,943 INFO L226 Difference]: Without dead ends: 1274 [2021-11-20 23:57:59,944 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 [2021-11-20 23:57:59,945 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 1003 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:59,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1005 Valid, 1768 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:57:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2021-11-20 23:58:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274. [2021-11-20 23:58:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 734 states have (on average 1.262942779291553) internal successors, (927), 776 states have internal predecessors, (927), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1772 transitions. [2021-11-20 23:58:00,036 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1772 transitions. Word has length 89 [2021-11-20 23:58:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:00,036 INFO L470 AbstractCegarLoop]: Abstraction has 1274 states and 1772 transitions. [2021-11-20 23:58:00,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:58:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1772 transitions. [2021-11-20 23:58:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-20 23:58:00,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:00,039 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:00,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:58:00,039 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:00,040 INFO L85 PathProgramCache]: Analyzing trace with hash 485683411, now seen corresponding path program 1 times [2021-11-20 23:58:00,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:00,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897688854] [2021-11-20 23:58:00,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:00,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:01,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:01,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897688854] [2021-11-20 23:58:01,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897688854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:01,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:01,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:01,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074416809] [2021-11-20 23:58:01,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:01,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:01,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:01,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:01,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:01,597 INFO L87 Difference]: Start difference. First operand 1274 states and 1772 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 23:58:03,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:05,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:05,501 INFO L93 Difference]: Finished difference Result 1274 states and 1772 transitions. [2021-11-20 23:58:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:05,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-20 23:58:05,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:05,511 INFO L225 Difference]: With dead ends: 1274 [2021-11-20 23:58:05,511 INFO L226 Difference]: Without dead ends: 1272 [2021-11-20 23:58:05,512 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 [2021-11-20 23:58:05,513 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 1000 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:05,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1764 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:58:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2021-11-20 23:58:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2021-11-20 23:58:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 733 states have (on average 1.26193724420191) internal successors, (925), 774 states have internal predecessors, (925), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1770 transitions. [2021-11-20 23:58:05,606 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1770 transitions. Word has length 94 [2021-11-20 23:58:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:05,606 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1770 transitions. [2021-11-20 23:58:05,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 23:58:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1770 transitions. [2021-11-20 23:58:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 23:58:05,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:05,609 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:05,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:58:05,609 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:05,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 831008471, now seen corresponding path program 1 times [2021-11-20 23:58:05,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:05,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389901055] [2021-11-20 23:58:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:05,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:07,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:07,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389901055] [2021-11-20 23:58:07,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389901055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:07,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:07,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:07,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130294433] [2021-11-20 23:58:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:07,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:07,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:07,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:07,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:07,438 INFO L87 Difference]: Start difference. First operand 1272 states and 1770 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 23:58:09,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:11,323 INFO L93 Difference]: Finished difference Result 1272 states and 1770 transitions. [2021-11-20 23:58:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:11,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-20 23:58:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:11,332 INFO L225 Difference]: With dead ends: 1272 [2021-11-20 23:58:11,332 INFO L226 Difference]: Without dead ends: 1270 [2021-11-20 23:58:11,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:11,334 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 997 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:11,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [999 Valid, 1760 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:58:11,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2021-11-20 23:58:11,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1270. [2021-11-20 23:58:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 732 states have (on average 1.260928961748634) internal successors, (923), 772 states have internal predecessors, (923), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1768 transitions. [2021-11-20 23:58:11,431 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1768 transitions. Word has length 99 [2021-11-20 23:58:11,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:11,432 INFO L470 AbstractCegarLoop]: Abstraction has 1270 states and 1768 transitions. [2021-11-20 23:58:11,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 23:58:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1768 transitions. [2021-11-20 23:58:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 23:58:11,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:11,435 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:11,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 23:58:11,435 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:11,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash -106510891, now seen corresponding path program 1 times [2021-11-20 23:58:11,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:11,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704300242] [2021-11-20 23:58:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:11,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:13,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:13,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704300242] [2021-11-20 23:58:13,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704300242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:13,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:13,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:13,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387543727] [2021-11-20 23:58:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:13,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:13,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:13,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:13,094 INFO L87 Difference]: Start difference. First operand 1270 states and 1768 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 23:58:15,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:16,975 INFO L93 Difference]: Finished difference Result 1270 states and 1768 transitions. [2021-11-20 23:58:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:16,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-20 23:58:16,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:16,985 INFO L225 Difference]: With dead ends: 1270 [2021-11-20 23:58:16,985 INFO L226 Difference]: Without dead ends: 1268 [2021-11-20 23:58:16,986 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 [2021-11-20 23:58:16,987 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 994 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:16,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [996 Valid, 1756 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:58:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2021-11-20 23:58:17,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2021-11-20 23:58:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 731 states have (on average 1.2599179206566347) internal successors, (921), 770 states have internal predecessors, (921), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1766 transitions. [2021-11-20 23:58:17,091 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1766 transitions. Word has length 104 [2021-11-20 23:58:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:17,091 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 1766 transitions. [2021-11-20 23:58:17,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 23:58:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1766 transitions. [2021-11-20 23:58:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-20 23:58:17,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:17,094 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:17,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 23:58:17,095 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:17,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:17,095 INFO L85 PathProgramCache]: Analyzing trace with hash -442917344, now seen corresponding path program 1 times [2021-11-20 23:58:17,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:17,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643195182] [2021-11-20 23:58:17,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:17,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:18,720 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:18,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643195182] [2021-11-20 23:58:18,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643195182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:18,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:18,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:18,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768882485] [2021-11-20 23:58:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:18,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:18,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:18,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:18,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:18,722 INFO L87 Difference]: Start difference. First operand 1268 states and 1766 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 23:58:21,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:22,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:22,534 INFO L93 Difference]: Finished difference Result 1268 states and 1766 transitions. [2021-11-20 23:58:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-20 23:58:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:22,543 INFO L225 Difference]: With dead ends: 1268 [2021-11-20 23:58:22,544 INFO L226 Difference]: Without dead ends: 1266 [2021-11-20 23:58:22,545 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 [2021-11-20 23:58:22,546 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 991 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:22,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [993 Valid, 1752 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-20 23:58:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2021-11-20 23:58:22,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1266. [2021-11-20 23:58:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 730 states have (on average 1.2589041095890412) internal successors, (919), 768 states have internal predecessors, (919), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1764 transitions. [2021-11-20 23:58:22,652 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1764 transitions. Word has length 109 [2021-11-20 23:58:22,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:22,653 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1764 transitions. [2021-11-20 23:58:22,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 23:58:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1764 transitions. [2021-11-20 23:58:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-20 23:58:22,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:22,657 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:22,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 23:58:22,657 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1569379654, now seen corresponding path program 1 times [2021-11-20 23:58:22,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:22,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093644026] [2021-11-20 23:58:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:22,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:24,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:24,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093644026] [2021-11-20 23:58:24,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093644026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:24,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:24,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:24,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182759594] [2021-11-20 23:58:24,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:24,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:24,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:24,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:24,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:24,387 INFO L87 Difference]: Start difference. First operand 1266 states and 1764 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:58:26,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:28,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:28,370 INFO L93 Difference]: Finished difference Result 1266 states and 1764 transitions. [2021-11-20 23:58:28,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:28,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-20 23:58:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:28,379 INFO L225 Difference]: With dead ends: 1266 [2021-11-20 23:58:28,379 INFO L226 Difference]: Without dead ends: 1264 [2021-11-20 23:58:28,380 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 [2021-11-20 23:58:28,381 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 988 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:28,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [990 Valid, 1748 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-20 23:58:28,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-11-20 23:58:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1264. [2021-11-20 23:58:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 729 states have (on average 1.2578875171467765) internal successors, (917), 766 states have internal predecessors, (917), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1762 transitions. [2021-11-20 23:58:28,496 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1762 transitions. Word has length 114 [2021-11-20 23:58:28,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:28,497 INFO L470 AbstractCegarLoop]: Abstraction has 1264 states and 1762 transitions. [2021-11-20 23:58:28,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:58:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1762 transitions. [2021-11-20 23:58:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 23:58:28,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:28,500 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:28,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 23:58:28,500 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1651854099, now seen corresponding path program 1 times [2021-11-20 23:58:28,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:28,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418327240] [2021-11-20 23:58:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:28,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:30,475 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:30,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418327240] [2021-11-20 23:58:30,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418327240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:30,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:30,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:30,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145457285] [2021-11-20 23:58:30,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:30,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:30,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:30,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:30,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:30,477 INFO L87 Difference]: Start difference. First operand 1264 states and 1762 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 23:58:32,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:34,666 INFO L93 Difference]: Finished difference Result 1264 states and 1762 transitions. [2021-11-20 23:58:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:34,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-20 23:58:34,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:34,676 INFO L225 Difference]: With dead ends: 1264 [2021-11-20 23:58:34,676 INFO L226 Difference]: Without dead ends: 1262 [2021-11-20 23:58:34,677 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 [2021-11-20 23:58:34,678 INFO L933 BasicCegarLoop]: 872 mSDtfsCounter, 985 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:34,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [987 Valid, 1744 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-20 23:58:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2021-11-20 23:58:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1262. [2021-11-20 23:58:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 728 states have (on average 1.2568681318681318) internal successors, (915), 764 states have internal predecessors, (915), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1760 transitions. [2021-11-20 23:58:34,802 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1760 transitions. Word has length 119 [2021-11-20 23:58:34,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:34,804 INFO L470 AbstractCegarLoop]: Abstraction has 1262 states and 1760 transitions. [2021-11-20 23:58:34,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 23:58:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1760 transitions. [2021-11-20 23:58:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 23:58:34,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:34,808 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:34,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 23:58:34,808 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:34,809 INFO L85 PathProgramCache]: Analyzing trace with hash -228457394, now seen corresponding path program 1 times [2021-11-20 23:58:34,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:34,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659045747] [2021-11-20 23:58:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:34,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:36,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:36,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659045747] [2021-11-20 23:58:36,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659045747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:36,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:36,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:36,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117656711] [2021-11-20 23:58:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:36,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:36,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:36,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:36,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:36,481 INFO L87 Difference]: Start difference. First operand 1262 states and 1760 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:58:38,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:40,315 INFO L93 Difference]: Finished difference Result 1262 states and 1760 transitions. [2021-11-20 23:58:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-20 23:58:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:40,324 INFO L225 Difference]: With dead ends: 1262 [2021-11-20 23:58:40,324 INFO L226 Difference]: Without dead ends: 1260 [2021-11-20 23:58:40,325 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 [2021-11-20 23:58:40,325 INFO L933 BasicCegarLoop]: 870 mSDtfsCounter, 982 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:40,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [984 Valid, 1740 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-20 23:58:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2021-11-20 23:58:40,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1260. [2021-11-20 23:58:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 727 states have (on average 1.2558459422283357) internal successors, (913), 762 states have internal predecessors, (913), 421 states have call successors, (421), 108 states have call predecessors, (421), 106 states have return successors, (424), 410 states have call predecessors, (424), 419 states have call successors, (424) [2021-11-20 23:58:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1758 transitions. [2021-11-20 23:58:40,444 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1758 transitions. Word has length 124 [2021-11-20 23:58:40,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:40,445 INFO L470 AbstractCegarLoop]: Abstraction has 1260 states and 1758 transitions. [2021-11-20 23:58:40,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:58:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1758 transitions. [2021-11-20 23:58:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-20 23:58:40,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:40,449 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 3, 3, 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, 1] [2021-11-20 23:58:40,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 23:58:40,450 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1160404521, now seen corresponding path program 1 times [2021-11-20 23:58:40,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:40,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588549322] [2021-11-20 23:58:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:40,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-20 23:58:43,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:43,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588549322] [2021-11-20 23:58:43,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588549322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:43,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:43,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:58:43,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361474552] [2021-11-20 23:58:43,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:43,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:58:43,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:43,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:58:43,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:43,002 INFO L87 Difference]: Start difference. First operand 1260 states and 1758 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:58:45,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:48,828 INFO L93 Difference]: Finished difference Result 2672 states and 3778 transitions. [2021-11-20 23:58:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:48,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2021-11-20 23:58:48,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:48,838 INFO L225 Difference]: With dead ends: 2672 [2021-11-20 23:58:48,838 INFO L226 Difference]: Without dead ends: 1428 [2021-11-20 23:58:48,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:48,843 INFO L933 BasicCegarLoop]: 1004 mSDtfsCounter, 42 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:48,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 3932 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 603 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-20 23:58:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2021-11-20 23:58:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1268. [2021-11-20 23:58:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 733 states have (on average 1.2537517053206002) internal successors, (919), 768 states have internal predecessors, (919), 421 states have call successors, (421), 108 states have call predecessors, (421), 108 states have return successors, (432), 412 states have call predecessors, (432), 419 states have call successors, (432) [2021-11-20 23:58:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1772 transitions. [2021-11-20 23:58:48,971 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1772 transitions. Word has length 143 [2021-11-20 23:58:48,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:48,972 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 1772 transitions. [2021-11-20 23:58:48,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:58:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1772 transitions. [2021-11-20 23:58:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-20 23:58:48,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:48,976 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:48,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 23:58:48,976 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:48,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2014165417, now seen corresponding path program 1 times [2021-11-20 23:58:48,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:48,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503134803] [2021-11-20 23:58:48,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:48,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:51,197 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:51,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503134803] [2021-11-20 23:58:51,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503134803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:51,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:51,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:51,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49419040] [2021-11-20 23:58:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:51,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:51,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:51,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:51,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:51,199 INFO L87 Difference]: Start difference. First operand 1268 states and 1772 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 23:58:53,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:55,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:55,384 INFO L93 Difference]: Finished difference Result 1268 states and 1772 transitions. [2021-11-20 23:58:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:55,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2021-11-20 23:58:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:55,392 INFO L225 Difference]: With dead ends: 1268 [2021-11-20 23:58:55,392 INFO L226 Difference]: Without dead ends: 1266 [2021-11-20 23:58:55,393 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 [2021-11-20 23:58:55,393 INFO L933 BasicCegarLoop]: 868 mSDtfsCounter, 979 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:55,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [981 Valid, 1736 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-20 23:58:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2021-11-20 23:58:55,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1266. [2021-11-20 23:58:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 732 states have (on average 1.2527322404371584) internal successors, (917), 766 states have internal predecessors, (917), 421 states have call successors, (421), 108 states have call predecessors, (421), 108 states have return successors, (432), 412 states have call predecessors, (432), 419 states have call successors, (432) [2021-11-20 23:58:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1770 transitions. [2021-11-20 23:58:55,624 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1770 transitions. Word has length 129 [2021-11-20 23:58:55,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:55,625 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1770 transitions. [2021-11-20 23:58:55,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 23:58:55,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1770 transitions. [2021-11-20 23:58:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-20 23:58:55,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:55,629 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:55,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 23:58:55,629 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:58:55,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:55,630 INFO L85 PathProgramCache]: Analyzing trace with hash 633009483, now seen corresponding path program 1 times [2021-11-20 23:58:55,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:55,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342504449] [2021-11-20 23:58:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:55,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-20 23:59:02,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:02,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342504449] [2021-11-20 23:59:02,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342504449] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:59:02,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333338027] [2021-11-20 23:59:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:02,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:59:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:59:02,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:59:02,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:59:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:04,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 14139 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 23:59:04,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:59:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-20 23:59:06,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:59:06,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333338027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:06,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:59:06,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2021-11-20 23:59:06,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484944033] [2021-11-20 23:59:06,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:06,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:59:06,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:06,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:59:06,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:59:06,185 INFO L87 Difference]: Start difference. First operand 1266 states and 1770 transitions. Second operand has 12 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) [2021-11-20 23:59:08,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:59:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:20,286 INFO L93 Difference]: Finished difference Result 3026 states and 4342 transitions. [2021-11-20 23:59:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 23:59:20,287 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) Word has length 146 [2021-11-20 23:59:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:20,303 INFO L225 Difference]: With dead ends: 3026 [2021-11-20 23:59:20,303 INFO L226 Difference]: Without dead ends: 1774 [2021-11-20 23:59:20,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-11-20 23:59:20,315 INFO L933 BasicCegarLoop]: 1242 mSDtfsCounter, 218 mSDsluCounter, 13835 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 112 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 13243 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:20,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 13243 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2595 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2021-11-20 23:59:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2021-11-20 23:59:20,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1278. [2021-11-20 23:59:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 740 states have (on average 1.25) internal successors, (925), 774 states have internal predecessors, (925), 425 states have call successors, (425), 108 states have call predecessors, (425), 108 states have return successors, (436), 416 states have call predecessors, (436), 423 states have call successors, (436) [2021-11-20 23:59:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1786 transitions. [2021-11-20 23:59:20,473 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1786 transitions. Word has length 146 [2021-11-20 23:59:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:20,474 INFO L470 AbstractCegarLoop]: Abstraction has 1278 states and 1786 transitions. [2021-11-20 23:59:20,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) [2021-11-20 23:59:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1786 transitions. [2021-11-20 23:59:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-20 23:59:20,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:20,478 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:20,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:59:20,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:59:20,693 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:59:20,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:20,694 INFO L85 PathProgramCache]: Analyzing trace with hash 696411865, now seen corresponding path program 1 times [2021-11-20 23:59:20,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:20,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735228646] [2021-11-20 23:59:20,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:20,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:59:22,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:22,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735228646] [2021-11-20 23:59:22,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735228646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:22,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:22,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:59:22,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034795984] [2021-11-20 23:59:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:22,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:59:22,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:59:22,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:59:22,569 INFO L87 Difference]: Start difference. First operand 1278 states and 1786 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 23:59:25,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:59:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:26,849 INFO L93 Difference]: Finished difference Result 1278 states and 1786 transitions. [2021-11-20 23:59:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:59:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2021-11-20 23:59:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:26,859 INFO L225 Difference]: With dead ends: 1278 [2021-11-20 23:59:26,859 INFO L226 Difference]: Without dead ends: 1276 [2021-11-20 23:59:26,861 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 [2021-11-20 23:59:26,861 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 976 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:26,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 1732 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-20 23:59:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-11-20 23:59:26,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2021-11-20 23:59:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 739 states have (on average 1.2489851150202977) internal successors, (923), 772 states have internal predecessors, (923), 425 states have call successors, (425), 108 states have call predecessors, (425), 108 states have return successors, (436), 416 states have call predecessors, (436), 423 states have call successors, (436) [2021-11-20 23:59:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1784 transitions. [2021-11-20 23:59:27,005 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1784 transitions. Word has length 134 [2021-11-20 23:59:27,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:27,006 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1784 transitions. [2021-11-20 23:59:27,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 23:59:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1784 transitions. [2021-11-20 23:59:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-20 23:59:27,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:27,010 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:27,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 23:59:27,011 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-20 23:59:27,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1955781118, now seen corresponding path program 1 times [2021-11-20 23:59:27,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:27,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623532437] [2021-11-20 23:59:27,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:27,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-20 23:59:31,695 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:31,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623532437] [2021-11-20 23:59:31,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623532437] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:59:31,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712321225] [2021-11-20 23:59:31,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:31,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:59:31,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:59:31,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:59:31,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe0a571-87bc-49c8-af41-2666c7cfa008/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process