./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--mmc--card--mmc_test.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_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/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_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/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_047960c9-86db-480b-8e2e-41640c38c1cb/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 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:53:52,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:53:52,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:53:52,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:53:52,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:53:52,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:53:52,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:53:52,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:53:52,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:53:52,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:53:52,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:53:52,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:53:52,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:53:52,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:53:52,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:53:52,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:53:52,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:53:52,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:53:52,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:53:52,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:53:52,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:53:52,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:53:52,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:53:52,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:53:52,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:53:52,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:53:52,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:53:52,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:53:52,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:53:52,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:53:52,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:53:52,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:53:52,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:53:52,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:53:52,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:53:52,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:53:52,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:53:52,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:53:52,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:53:52,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:53:52,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:53:52,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:53:52,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:53:52,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:53:52,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:53:52,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:53:52,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:53:52,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:53:52,983 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:53:52,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:53:52,983 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:53:52,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:53:52,984 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:53:52,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:53:52,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:53:52,985 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:53:52,985 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:53:52,986 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:53:52,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:53:52,986 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:53:52,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:53:52,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:53:52,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:53:52,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:53:52,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:53:52,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:53:52,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:53:52,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:53:52,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:53:52,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:53:52,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:53:52,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:53:52,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:53:52,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:53:52,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:53:52,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:53:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:53:52,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:53:52,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:53:52,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:53:52,993 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_047960c9-86db-480b-8e2e-41640c38c1cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2021-11-20 23:53:53,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:53:53,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:53:53,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:53:53,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:53:53,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:53:53,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-20 23:53:53,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/data/3cc18d91c/40ef46a22db4465b8aac3d3d18e1dc1a/FLAG4c266dc9f [2021-11-20 23:53:54,545 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:53:54,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-20 23:53:54,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/data/3cc18d91c/40ef46a22db4465b8aac3d3d18e1dc1a/FLAG4c266dc9f [2021-11-20 23:53:54,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/data/3cc18d91c/40ef46a22db4465b8aac3d3d18e1dc1a [2021-11-20 23:53:54,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:53:54,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:53:54,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:53:54,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:53:54,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:53:54,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:54" (1/1) ... [2021-11-20 23:53:54,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbbed65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:54, skipping insertion in model container [2021-11-20 23:53:54,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:54" (1/1) ... [2021-11-20 23:53:54,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:53:54,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:53:59,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-20 23:53:59,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-20 23:53:59,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-20 23:53:59,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-20 23:53:59,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-20 23:53:59,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-20 23:53:59,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-20 23:53:59,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-20 23:53:59,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-20 23:53:59,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-20 23:53:59,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-20 23:53:59,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-20 23:53:59,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-20 23:53:59,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-20 23:53:59,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-20 23:53:59,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-20 23:53:59,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-20 23:53:59,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-20 23:53:59,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-20 23:53:59,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-20 23:53:59,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-20 23:53:59,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-20 23:53:59,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-20 23:53:59,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-20 23:53:59,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-20 23:53:59,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-20 23:53:59,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-20 23:53:59,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-20 23:53:59,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-20 23:53:59,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-20 23:53:59,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-20 23:53:59,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-20 23:53:59,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-20 23:53:59,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-20 23:53:59,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-20 23:53:59,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-20 23:54:00,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-20 23:54:00,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-20 23:54:00,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-20 23:54:00,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-20 23:54:00,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-20 23:54:00,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-20 23:54:00,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-20 23:54:00,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-20 23:54:00,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-20 23:54:00,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-20 23:54:00,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-20 23:54:00,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-20 23:54:00,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-20 23:54:00,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-20 23:54:00,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-20 23:54:00,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-20 23:54:00,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-20 23:54:00,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-20 23:54:00,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-20 23:54:00,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-20 23:54:00,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-20 23:54:00,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-20 23:54:00,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-20 23:54:00,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-20 23:54:00,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-20 23:54:00,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-20 23:54:00,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-20 23:54:00,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-20 23:54:00,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-20 23:54:00,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-20 23:54:00,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-20 23:54:00,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-20 23:54:00,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-20 23:54:00,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-20 23:54:00,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-20 23:54:00,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-20 23:54:00,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-20 23:54:00,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-20 23:54:00,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-20 23:54:00,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-20 23:54:00,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-20 23:54:00,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-20 23:54:00,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-20 23:54:00,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-20 23:54:00,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-20 23:54:00,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-20 23:54:00,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-20 23:54:00,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-20 23:54:00,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-20 23:54:00,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-20 23:54:00,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-20 23:54:00,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-20 23:54:00,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:54:00,095 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:54:00,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-20 23:54:00,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-20 23:54:00,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-20 23:54:00,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-20 23:54:00,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-20 23:54:00,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-20 23:54:00,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-20 23:54:00,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-20 23:54:00,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-20 23:54:00,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-20 23:54:00,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-20 23:54:00,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-20 23:54:00,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-20 23:54:00,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-20 23:54:00,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-20 23:54:00,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-20 23:54:00,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-20 23:54:00,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-20 23:54:00,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-20 23:54:00,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-20 23:54:00,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-20 23:54:00,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-20 23:54:00,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-20 23:54:00,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-20 23:54:00,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-20 23:54:00,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-20 23:54:00,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-20 23:54:00,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-20 23:54:00,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-20 23:54:00,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-20 23:54:00,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-20 23:54:00,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-20 23:54:00,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-20 23:54:00,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-20 23:54:00,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-20 23:54:00,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-20 23:54:00,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-20 23:54:00,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-20 23:54:00,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-20 23:54:00,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-20 23:54:00,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-20 23:54:00,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-20 23:54:00,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-20 23:54:00,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-20 23:54:00,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-20 23:54:00,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-20 23:54:00,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-20 23:54:00,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-20 23:54:00,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-20 23:54:00,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-20 23:54:00,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-20 23:54:00,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-20 23:54:00,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-20 23:54:00,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-20 23:54:00,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-20 23:54:00,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-20 23:54:00,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-20 23:54:00,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-20 23:54:00,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-20 23:54:00,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-20 23:54:00,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-20 23:54:00,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-20 23:54:00,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-20 23:54:00,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-20 23:54:00,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-20 23:54:00,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-20 23:54:00,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-20 23:54:00,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-20 23:54:00,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-20 23:54:00,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-20 23:54:00,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-20 23:54:00,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-20 23:54:00,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-20 23:54:00,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-20 23:54:00,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-20 23:54:00,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-20 23:54:00,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-20 23:54:00,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-20 23:54:00,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-20 23:54:00,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-20 23:54:00,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-20 23:54:00,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-20 23:54:00,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-20 23:54:00,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-20 23:54:00,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-20 23:54:00,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-20 23:54:00,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-20 23:54:00,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-20 23:54:00,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:54:01,025 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:54:01,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01 WrapperNode [2021-11-20 23:54:01,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:54:01,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:54:01,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:54:01,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:54:01,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,506 INFO L137 Inliner]: procedures = 745, calls = 3007, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6655 [2021-11-20 23:54:01,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:54:01,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:54:01,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:54:01,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:54:01,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:54:01,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:54:01,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:54:01,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:54:01,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (1/1) ... [2021-11-20 23:54:01,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:54:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:54:01,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:54:02,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:54:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2021-11-20 23:54:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2021-11-20 23:54:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2021-11-20 23:54:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2021-11-20 23:54:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:54:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:54:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:54:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:54:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2021-11-20 23:54:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2021-11-20 23:54:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:54:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:54:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2021-11-20 23:54:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2021-11-20 23:54:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2021-11-20 23:54:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2021-11-20 23:54:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2021-11-20 23:54:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2021-11-20 23:54:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2021-11-20 23:54:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2021-11-20 23:54:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:54:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:54:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-20 23:54:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-20 23:54:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2021-11-20 23:54:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2021-11-20 23:54:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2021-11-20 23:54:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2021-11-20 23:54:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:54:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:54:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2021-11-20 23:54:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2021-11-20 23:54:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:54:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:54:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2021-11-20 23:54:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2021-11-20 23:54:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2021-11-20 23:54:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2021-11-20 23:54:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2021-11-20 23:54:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2021-11-20 23:54:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:54:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:54:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2021-11-20 23:54:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2021-11-20 23:54:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:54:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:54:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-20 23:54:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-20 23:54:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:54:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:54:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2021-11-20 23:54:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2021-11-20 23:54:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-20 23:54:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-20 23:54:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:54:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-20 23:54:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-20 23:54:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2021-11-20 23:54:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2021-11-20 23:54:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2021-11-20 23:54:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2021-11-20 23:54:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:54:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:54:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 23:54:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 23:54:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2021-11-20 23:54:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2021-11-20 23:54:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:54:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:54:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2021-11-20 23:54:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2021-11-20 23:54:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2021-11-20 23:54:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2021-11-20 23:54:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-20 23:54:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-20 23:54:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2021-11-20 23:54:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2021-11-20 23:54:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2021-11-20 23:54:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2021-11-20 23:54:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 23:54:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 23:54:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:54:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:54:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2021-11-20 23:54:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2021-11-20 23:54:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:54:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:54:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:54:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:54:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:54:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 23:54:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 23:54:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2021-11-20 23:54:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2021-11-20 23:54:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:54:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:54:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2021-11-20 23:54:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2021-11-20 23:54:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:54:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:54:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 23:54:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 23:54:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2021-11-20 23:54:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2021-11-20 23:54:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:54:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:54:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:54:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:54:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2021-11-20 23:54:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2021-11-20 23:54:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2021-11-20 23:54:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2021-11-20 23:54:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-20 23:54:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-20 23:54:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:54:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:54:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-20 23:54:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-20 23:54:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:54:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-20 23:54:02,059 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-20 23:54:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-20 23:54:02,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-20 23:54:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2021-11-20 23:54:02,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2021-11-20 23:54:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-20 23:54:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-20 23:54:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 23:54:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 23:54:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:54:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2021-11-20 23:54:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2021-11-20 23:54:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2021-11-20 23:54:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2021-11-20 23:54:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:54:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:54:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:54:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2021-11-20 23:54:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2021-11-20 23:54:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2021-11-20 23:54:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2021-11-20 23:54:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2021-11-20 23:54:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2021-11-20 23:54:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:54:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:54:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2021-11-20 23:54:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2021-11-20 23:54:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2021-11-20 23:54:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2021-11-20 23:54:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2021-11-20 23:54:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2021-11-20 23:54:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2021-11-20 23:54:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2021-11-20 23:54:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2021-11-20 23:54:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2021-11-20 23:54:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:54:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:54:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2021-11-20 23:54:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2021-11-20 23:54:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 23:54:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 23:54:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2021-11-20 23:54:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2021-11-20 23:54:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2021-11-20 23:54:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2021-11-20 23:54:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:54:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:54:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2021-11-20 23:54:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2021-11-20 23:54:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2021-11-20 23:54:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2021-11-20 23:54:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:54:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:54:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2021-11-20 23:54:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2021-11-20 23:54:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2021-11-20 23:54:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2021-11-20 23:54:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-20 23:54:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-20 23:54:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2021-11-20 23:54:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2021-11-20 23:54:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-20 23:54:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-20 23:54:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-20 23:54:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-20 23:54:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2021-11-20 23:54:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2021-11-20 23:54:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-20 23:54:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-20 23:54:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:54:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:54:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2021-11-20 23:54:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2021-11-20 23:54:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2021-11-20 23:54:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2021-11-20 23:54:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2021-11-20 23:54:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2021-11-20 23:54:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:54:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:54:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2021-11-20 23:54:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2021-11-20 23:54:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2021-11-20 23:54:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2021-11-20 23:54:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:54:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:54:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:54:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2021-11-20 23:54:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2021-11-20 23:54:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:54:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:54:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2021-11-20 23:54:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2021-11-20 23:54:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2021-11-20 23:54:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2021-11-20 23:54:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-20 23:54:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-20 23:54:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2021-11-20 23:54:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2021-11-20 23:54:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:54:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2021-11-20 23:54:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2021-11-20 23:54:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-20 23:54:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-20 23:54:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-20 23:54:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-20 23:54:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2021-11-20 23:54:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2021-11-20 23:54:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2021-11-20 23:54:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2021-11-20 23:54:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2021-11-20 23:54:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2021-11-20 23:54:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2021-11-20 23:54:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2021-11-20 23:54:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:54:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-20 23:54:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-20 23:54:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2021-11-20 23:54:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2021-11-20 23:54:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2021-11-20 23:54:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2021-11-20 23:54:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2021-11-20 23:54:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2021-11-20 23:54:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2021-11-20 23:54:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2021-11-20 23:54:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:54:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:54:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:54:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:54:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2021-11-20 23:54:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2021-11-20 23:54:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:54:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:54:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2021-11-20 23:54:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2021-11-20 23:54:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:54:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:54:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2021-11-20 23:54:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2021-11-20 23:54:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:54:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:54:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:54:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:54:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:54:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:54:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2021-11-20 23:54:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2021-11-20 23:54:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-20 23:54:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-20 23:54:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2021-11-20 23:54:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2021-11-20 23:54:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2021-11-20 23:54:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2021-11-20 23:54:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2021-11-20 23:54:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2021-11-20 23:54:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:54:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:54:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:54:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:54:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2021-11-20 23:54:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2021-11-20 23:54:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:54:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:54:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2021-11-20 23:54:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2021-11-20 23:54:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2021-11-20 23:54:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2021-11-20 23:54:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2021-11-20 23:54:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2021-11-20 23:54:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:54:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:54:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:54:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-20 23:54:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-20 23:54:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:54:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:54:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2021-11-20 23:54:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2021-11-20 23:54:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2021-11-20 23:54:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2021-11-20 23:54:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2021-11-20 23:54:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2021-11-20 23:54:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:54:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:54:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2021-11-20 23:54:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2021-11-20 23:54:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2021-11-20 23:54:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2021-11-20 23:54:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-20 23:54:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-20 23:54:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-20 23:54:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-20 23:54:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2021-11-20 23:54:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2021-11-20 23:54:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-20 23:54:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-20 23:54:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2021-11-20 23:54:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2021-11-20 23:54:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:54:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:54:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:54:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:54:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2021-11-20 23:54:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2021-11-20 23:54:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2021-11-20 23:54:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2021-11-20 23:54:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-11-20 23:54:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-11-20 23:54:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:54:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2021-11-20 23:54:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2021-11-20 23:54:03,317 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:54:03,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:54:03,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:54:26,351 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:54:27,921 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:54:27,922 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:54:27,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:27 BoogieIcfgContainer [2021-11-20 23:54:27,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:54:27,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:54:27,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:54:27,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:54:27,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:53:54" (1/3) ... [2021-11-20 23:54:27,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc36c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:54:27, skipping insertion in model container [2021-11-20 23:54:27,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01" (2/3) ... [2021-11-20 23:54:27,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc36c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:54:27, skipping insertion in model container [2021-11-20 23:54:27,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:27" (3/3) ... [2021-11-20 23:54:27,936 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-20 23:54:27,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:54:27,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-20 23:54:28,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:54:28,029 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 23:54:28,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-20 23:54:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) [2021-11-20 23:54:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 23:54:28,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:28,115 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 23:54:28,115 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:54:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:28,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1556829324, now seen corresponding path program 1 times [2021-11-20 23:54:28,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:28,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708889161] [2021-11-20 23:54:28,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:28,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:28,914 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 23:54:28,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:28,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708889161] [2021-11-20 23:54:28,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708889161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:28,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:28,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:54:28,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894142421] [2021-11-20 23:54:28,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:28,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:54:28,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:54:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:54:28,960 INFO L87 Difference]: Start difference. First operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) 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 23:54:31,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:33,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:36,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:36,003 INFO L93 Difference]: Finished difference Result 4961 states and 7349 transitions. [2021-11-20 23:54:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:54:36,005 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 23:54:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:36,056 INFO L225 Difference]: With dead ends: 4961 [2021-11-20 23:54:36,056 INFO L226 Difference]: Without dead ends: 2588 [2021-11-20 23:54:36,080 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 23:54:36,087 INFO L933 BasicCegarLoop]: 2918 mSDtfsCounter, 3223 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:36,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3232 Valid, 6217 Invalid, 1040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1038 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2021-11-20 23:54:36,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2021-11-20 23:54:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2580. [2021-11-20 23:54:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 1590 states have (on average 1.2955974842767295) internal successors, (2060), 1646 states have internal predecessors, (2060), 767 states have call successors, (767), 201 states have call predecessors, (767), 199 states have return successors, (765), 756 states have call predecessors, (765), 765 states have call successors, (765) [2021-11-20 23:54:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3592 transitions. [2021-11-20 23:54:36,411 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3592 transitions. Word has length 47 [2021-11-20 23:54:36,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:54:36,413 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 3592 transitions. [2021-11-20 23:54:36,413 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 23:54:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3592 transitions. [2021-11-20 23:54:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 23:54:36,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:36,419 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 23:54:36,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:54:36,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:54:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash -410701207, now seen corresponding path program 1 times [2021-11-20 23:54:36,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:36,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772409943] [2021-11-20 23:54:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:36,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:36,827 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 23:54:36,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:36,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772409943] [2021-11-20 23:54:36,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772409943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:36,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:36,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:54:36,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919050618] [2021-11-20 23:54:36,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:36,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:54:36,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:54:36,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:54:36,831 INFO L87 Difference]: Start difference. First operand 2580 states and 3592 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 23:54:39,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:41,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:44,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:45,572 INFO L93 Difference]: Finished difference Result 2643 states and 3680 transitions. [2021-11-20 23:54:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:54:45,573 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 23:54:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:45,598 INFO L225 Difference]: With dead ends: 2643 [2021-11-20 23:54:45,599 INFO L226 Difference]: Without dead ends: 2641 [2021-11-20 23:54:45,603 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 23:54:45,604 INFO L933 BasicCegarLoop]: 2821 mSDtfsCounter, 3102 mSDsluCounter, 3787 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 6056 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:45,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3123 Valid, 6056 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:54:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2021-11-20 23:54:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2630. [2021-11-20 23:54:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 1621 states have (on average 1.2954966070326959) internal successors, (2100), 1676 states have internal predecessors, (2100), 779 states have call successors, (779), 210 states have call predecessors, (779), 207 states have return successors, (777), 767 states have call predecessors, (777), 777 states have call successors, (777) [2021-11-20 23:54:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 3656 transitions. [2021-11-20 23:54:45,782 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 3656 transitions. Word has length 52 [2021-11-20 23:54:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:54:45,783 INFO L470 AbstractCegarLoop]: Abstraction has 2630 states and 3656 transitions. [2021-11-20 23:54:45,784 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 23:54:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3656 transitions. [2021-11-20 23:54:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:54:45,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:45,793 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:54:45,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:54:45,794 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:54:45,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash 898599116, now seen corresponding path program 1 times [2021-11-20 23:54:45,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:45,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949455630] [2021-11-20 23:54:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:45,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:54:46,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:46,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949455630] [2021-11-20 23:54:46,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949455630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:46,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:46,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:54:46,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295081161] [2021-11-20 23:54:46,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:46,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:54:46,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:46,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:54:46,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:54:46,085 INFO L87 Difference]: Start difference. First operand 2630 states and 3656 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 23:54:48,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:51,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:53,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:55,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:54:58,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:00,711 INFO L93 Difference]: Finished difference Result 3803 states and 5275 transitions. [2021-11-20 23:55:00,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:55:00,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2021-11-20 23:55:00,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:00,743 INFO L225 Difference]: With dead ends: 3803 [2021-11-20 23:55:00,744 INFO L226 Difference]: Without dead ends: 3801 [2021-11-20 23:55:00,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:55:00,748 INFO L933 BasicCegarLoop]: 3819 mSDtfsCounter, 3022 mSDsluCounter, 10518 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 13039 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:00,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3042 Valid, 13039 Invalid, 1875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1868 Invalid, 5 Unknown, 0 Unchecked, 14.3s Time] [2021-11-20 23:55:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2021-11-20 23:55:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3779. [2021-11-20 23:55:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3779 states, 2336 states have (on average 1.300941780821918) internal successors, (3039), 2405 states have internal predecessors, (3039), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 323 states have return successors, (1114), 1075 states have call predecessors, (1114), 1095 states have call successors, (1114) [2021-11-20 23:55:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3779 states and 5250 transitions. [2021-11-20 23:55:01,095 INFO L78 Accepts]: Start accepts. Automaton has 3779 states and 5250 transitions. Word has length 56 [2021-11-20 23:55:01,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:01,097 INFO L470 AbstractCegarLoop]: Abstraction has 3779 states and 5250 transitions. [2021-11-20 23:55:01,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 23:55:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 5250 transitions. [2021-11-20 23:55:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 23:55:01,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:01,101 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 23:55:01,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:55:01,101 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:55:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash -767909449, now seen corresponding path program 1 times [2021-11-20 23:55:01,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:01,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213857689] [2021-11-20 23:55:01,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:01,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:01,412 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 23:55:01,412 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:01,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213857689] [2021-11-20 23:55:01,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213857689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:01,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:01,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:55:01,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764426451] [2021-11-20 23:55:01,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:01,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:55:01,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:01,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:55:01,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:55:01,415 INFO L87 Difference]: Start difference. First operand 3779 states and 5250 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 23:55:03,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:06,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:08,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:10,083 INFO L93 Difference]: Finished difference Result 3790 states and 5272 transitions. [2021-11-20 23:55:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:55:10,083 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 23:55:10,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:10,115 INFO L225 Difference]: With dead ends: 3790 [2021-11-20 23:55:10,115 INFO L226 Difference]: Without dead ends: 3788 [2021-11-20 23:55:10,118 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 23:55:10,119 INFO L933 BasicCegarLoop]: 2819 mSDtfsCounter, 3099 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3120 SdHoareTripleChecker+Valid, 6052 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:10,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3120 Valid, 6052 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:55:10,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3788 states. [2021-11-20 23:55:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3788 to 3782. [2021-11-20 23:55:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3782 states, 2338 states have (on average 1.300256629597947) internal successors, (3040), 2408 states have internal predecessors, (3040), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 325 states have return successors, (1129), 1075 states have call predecessors, (1129), 1095 states have call successors, (1129) [2021-11-20 23:55:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 5266 transitions. [2021-11-20 23:55:10,344 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 5266 transitions. Word has length 57 [2021-11-20 23:55:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:10,345 INFO L470 AbstractCegarLoop]: Abstraction has 3782 states and 5266 transitions. [2021-11-20 23:55:10,345 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 23:55:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 5266 transitions. [2021-11-20 23:55:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 23:55:10,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:10,347 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 23:55:10,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:55:10,347 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:55:10,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 421794942, now seen corresponding path program 1 times [2021-11-20 23:55:10,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:10,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084670867] [2021-11-20 23:55:10,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:10,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:10,569 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 23:55:10,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:10,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084670867] [2021-11-20 23:55:10,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084670867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:10,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:10,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:55:10,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367631636] [2021-11-20 23:55:10,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:10,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:55:10,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:55:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:55:10,573 INFO L87 Difference]: Start difference. First operand 3782 states and 5266 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 23:55:12,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:15,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:18,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:19,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:19,288 INFO L93 Difference]: Finished difference Result 3788 states and 5270 transitions. [2021-11-20 23:55:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:55:19,289 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 23:55:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:19,323 INFO L225 Difference]: With dead ends: 3788 [2021-11-20 23:55:19,323 INFO L226 Difference]: Without dead ends: 3786 [2021-11-20 23:55:19,325 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 23:55:19,332 INFO L933 BasicCegarLoop]: 2817 mSDtfsCounter, 3096 mSDsluCounter, 3783 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 6048 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:19,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3117 Valid, 6048 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:55:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2021-11-20 23:55:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3780. [2021-11-20 23:55:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3780 states, 2337 states have (on average 1.2999572100984167) internal successors, (3038), 2406 states have internal predecessors, (3038), 1097 states have call successors, (1097), 330 states have call predecessors, (1097), 325 states have return successors, (1129), 1075 states have call predecessors, (1129), 1095 states have call successors, (1129) [2021-11-20 23:55:19,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3780 states and 5264 transitions. [2021-11-20 23:55:19,602 INFO L78 Accepts]: Start accepts. Automaton has 3780 states and 5264 transitions. Word has length 62 [2021-11-20 23:55:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:19,603 INFO L470 AbstractCegarLoop]: Abstraction has 3780 states and 5264 transitions. [2021-11-20 23:55:19,604 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 23:55:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3780 states and 5264 transitions. [2021-11-20 23:55:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 23:55:19,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:19,606 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:19,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:55:19,607 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:55:19,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1715620054, now seen corresponding path program 1 times [2021-11-20 23:55:19,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:19,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074211121] [2021-11-20 23:55:19,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:19,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:55:19,886 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:19,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074211121] [2021-11-20 23:55:19,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074211121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:19,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:19,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:55:19,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458362895] [2021-11-20 23:55:19,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:19,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:55:19,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:19,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:55:19,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:55:19,888 INFO L87 Difference]: Start difference. First operand 3780 states and 5264 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-20 23:55:22,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:24,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:26,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:29,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:31,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:34,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:36,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:38,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:40,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:43,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:45,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:47,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:49,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:49,341 INFO L93 Difference]: Finished difference Result 3869 states and 5375 transitions. [2021-11-20 23:55:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:55:49,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 67 [2021-11-20 23:55:49,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:49,378 INFO L225 Difference]: With dead ends: 3869 [2021-11-20 23:55:49,378 INFO L226 Difference]: Without dead ends: 3867 [2021-11-20 23:55:49,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:55:49,382 INFO L933 BasicCegarLoop]: 3435 mSDtfsCounter, 1693 mSDsluCounter, 11135 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 12963 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:49,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 12963 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2179 Invalid, 10 Unknown, 0 Unchecked, 29.1s Time] [2021-11-20 23:55:49,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2021-11-20 23:55:49,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3851. [2021-11-20 23:55:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3851 states, 2383 states have (on average 1.3013008812421318) internal successors, (3101), 2451 states have internal predecessors, (3101), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:55:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3851 states and 5335 transitions. [2021-11-20 23:55:49,656 INFO L78 Accepts]: Start accepts. Automaton has 3851 states and 5335 transitions. Word has length 67 [2021-11-20 23:55:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:49,657 INFO L470 AbstractCegarLoop]: Abstraction has 3851 states and 5335 transitions. [2021-11-20 23:55:49,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-20 23:55:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 5335 transitions. [2021-11-20 23:55:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 23:55:49,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:49,659 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 23:55:49,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:55:49,659 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:55:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1314807788, now seen corresponding path program 1 times [2021-11-20 23:55:49,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:49,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640987112] [2021-11-20 23:55:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:49,875 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 23:55:49,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:49,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640987112] [2021-11-20 23:55:49,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640987112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:49,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:49,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:55:49,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975100387] [2021-11-20 23:55:49,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:49,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:55:49,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:49,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:55:49,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:55:49,879 INFO L87 Difference]: Start difference. First operand 3851 states and 5335 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 23:55:52,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:54,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:57,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:55:58,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:58,434 INFO L93 Difference]: Finished difference Result 3865 states and 5369 transitions. [2021-11-20 23:55:58,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:55:58,434 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 23:55:58,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:58,467 INFO L225 Difference]: With dead ends: 3865 [2021-11-20 23:55:58,467 INFO L226 Difference]: Without dead ends: 3863 [2021-11-20 23:55:58,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:55:58,472 INFO L933 BasicCegarLoop]: 2807 mSDtfsCounter, 3093 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:58,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3114 Valid, 6028 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2021-11-20 23:55:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2021-11-20 23:55:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3849. [2021-11-20 23:55:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3849 states, 2382 states have (on average 1.301007556675063) internal successors, (3099), 2449 states have internal predecessors, (3099), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:55:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 5333 transitions. [2021-11-20 23:55:58,739 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 5333 transitions. Word has length 67 [2021-11-20 23:55:58,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:58,740 INFO L470 AbstractCegarLoop]: Abstraction has 3849 states and 5333 transitions. [2021-11-20 23:55:58,740 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 23:55:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 5333 transitions. [2021-11-20 23:55:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 23:55:58,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:58,743 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 23:55:58,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:55:58,744 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:55:58,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:58,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1928460163, now seen corresponding path program 1 times [2021-11-20 23:55:58,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:58,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130924057] [2021-11-20 23:55:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:58,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:58,975 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 23:55:58,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:58,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130924057] [2021-11-20 23:55:58,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130924057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:58,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:58,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:55:58,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168682308] [2021-11-20 23:55:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:58,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:55:58,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:58,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:55:58,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:55:58,979 INFO L87 Difference]: Start difference. First operand 3849 states and 5333 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 23:56:01,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:03,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:06,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:07,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:56:07,715 INFO L93 Difference]: Finished difference Result 3863 states and 5367 transitions. [2021-11-20 23:56:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:56:07,715 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 23:56:07,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:56:07,745 INFO L225 Difference]: With dead ends: 3863 [2021-11-20 23:56:07,746 INFO L226 Difference]: Without dead ends: 3861 [2021-11-20 23:56:07,747 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 23:56:07,748 INFO L933 BasicCegarLoop]: 2813 mSDtfsCounter, 3090 mSDsluCounter, 3779 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:56:07,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3111 Valid, 6040 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:56:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-11-20 23:56:07,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3847. [2021-11-20 23:56:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3847 states, 2381 states have (on average 1.3007139857202856) internal successors, (3097), 2447 states have internal predecessors, (3097), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:56:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5331 transitions. [2021-11-20 23:56:07,986 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5331 transitions. Word has length 72 [2021-11-20 23:56:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:56:07,988 INFO L470 AbstractCegarLoop]: Abstraction has 3847 states and 5331 transitions. [2021-11-20 23:56:07,988 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 23:56:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5331 transitions. [2021-11-20 23:56:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-20 23:56:07,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:07,997 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:56:07,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:56:07,998 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:56:07,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:07,999 INFO L85 PathProgramCache]: Analyzing trace with hash 86361178, now seen corresponding path program 1 times [2021-11-20 23:56:07,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:07,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923454562] [2021-11-20 23:56:07,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:07,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 23:56:08,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:08,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923454562] [2021-11-20 23:56:08,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923454562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:08,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:08,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:56:08,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878880159] [2021-11-20 23:56:08,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:08,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:56:08,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:56:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:56:08,314 INFO L87 Difference]: Start difference. First operand 3847 states and 5331 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:56:11,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:14,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:19,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:22,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:56:22,057 INFO L93 Difference]: Finished difference Result 3861 states and 5365 transitions. [2021-11-20 23:56:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:56:22,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-11-20 23:56:22,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:56:22,082 INFO L225 Difference]: With dead ends: 3861 [2021-11-20 23:56:22,082 INFO L226 Difference]: Without dead ends: 3859 [2021-11-20 23:56:22,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:56:22,085 INFO L933 BasicCegarLoop]: 2814 mSDtfsCounter, 3094 mSDsluCounter, 8999 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 10304 SdHoareTripleChecker+Invalid, 3366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:56:22,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3116 Valid, 10304 Invalid, 3366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3361 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2021-11-20 23:56:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2021-11-20 23:56:22,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3847. [2021-11-20 23:56:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3847 states, 2381 states have (on average 1.2998740025199496) internal successors, (3095), 2447 states have internal predecessors, (3095), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:56:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5329 transitions. [2021-11-20 23:56:22,349 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5329 transitions. Word has length 86 [2021-11-20 23:56:22,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:56:22,350 INFO L470 AbstractCegarLoop]: Abstraction has 3847 states and 5329 transitions. [2021-11-20 23:56:22,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:56:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5329 transitions. [2021-11-20 23:56:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 23:56:22,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:22,355 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 23:56:22,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:56:22,356 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:56:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:22,356 INFO L85 PathProgramCache]: Analyzing trace with hash -601619581, now seen corresponding path program 1 times [2021-11-20 23:56:22,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:22,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6250378] [2021-11-20 23:56:22,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:22,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:22,565 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 23:56:22,565 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:22,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6250378] [2021-11-20 23:56:22,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6250378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:22,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:22,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:56:22,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225146871] [2021-11-20 23:56:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:22,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:56:22,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:56:22,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:56:22,568 INFO L87 Difference]: Start difference. First operand 3847 states and 5329 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 23:56:25,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:27,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:30,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:56:31,164 INFO L93 Difference]: Finished difference Result 3859 states and 5362 transitions. [2021-11-20 23:56:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:56:31,164 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 23:56:31,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:56:31,187 INFO L225 Difference]: With dead ends: 3859 [2021-11-20 23:56:31,188 INFO L226 Difference]: Without dead ends: 3857 [2021-11-20 23:56:31,191 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 23:56:31,192 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 3085 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3106 SdHoareTripleChecker+Valid, 6036 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:56:31,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3106 Valid, 6036 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:56:31,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2021-11-20 23:56:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 3845. [2021-11-20 23:56:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2380 states have (on average 1.2995798319327732) internal successors, (3093), 2445 states have internal predecessors, (3093), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:56:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5327 transitions. [2021-11-20 23:56:31,529 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5327 transitions. Word has length 77 [2021-11-20 23:56:31,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:56:31,530 INFO L470 AbstractCegarLoop]: Abstraction has 3845 states and 5327 transitions. [2021-11-20 23:56:31,530 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 23:56:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5327 transitions. [2021-11-20 23:56:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 23:56:31,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:31,533 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:56:31,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:56:31,534 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:56:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 311285400, now seen corresponding path program 1 times [2021-11-20 23:56:31,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:31,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356891679] [2021-11-20 23:56:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:31,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 23:56:31,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:31,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356891679] [2021-11-20 23:56:31,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356891679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:31,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:31,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:56:31,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137662689] [2021-11-20 23:56:31,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:31,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:56:31,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:31,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:56:31,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:56:31,738 INFO L87 Difference]: Start difference. First operand 3845 states and 5327 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:56:34,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:36,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:38,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:56:39,667 INFO L93 Difference]: Finished difference Result 7680 states and 10852 transitions. [2021-11-20 23:56:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:56:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 89 [2021-11-20 23:56:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:56:39,691 INFO L225 Difference]: With dead ends: 7680 [2021-11-20 23:56:39,692 INFO L226 Difference]: Without dead ends: 3851 [2021-11-20 23:56:39,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:56:39,717 INFO L933 BasicCegarLoop]: 2804 mSDtfsCounter, 3070 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:56:39,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3089 Valid, 3216 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2021-11-20 23:56:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2021-11-20 23:56:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3841. [2021-11-20 23:56:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3841 states, 2376 states have (on average 1.2984006734006734) internal successors, (3085), 2441 states have internal predecessors, (3085), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 334 states have return successors, (1121), 1090 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:56:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3841 states and 5319 transitions. [2021-11-20 23:56:40,007 INFO L78 Accepts]: Start accepts. Automaton has 3841 states and 5319 transitions. Word has length 89 [2021-11-20 23:56:40,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:56:40,010 INFO L470 AbstractCegarLoop]: Abstraction has 3841 states and 5319 transitions. [2021-11-20 23:56:40,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 23:56:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 5319 transitions. [2021-11-20 23:56:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 23:56:40,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:40,013 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 23:56:40,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:56:40,013 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:56:40,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:40,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1592968744, now seen corresponding path program 1 times [2021-11-20 23:56:40,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:40,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205401075] [2021-11-20 23:56:40,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:40,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:40,248 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 23:56:40,249 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:40,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205401075] [2021-11-20 23:56:40,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205401075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:40,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:40,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:56:40,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840090808] [2021-11-20 23:56:40,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:40,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:56:40,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:40,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:56:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:56:40,252 INFO L87 Difference]: Start difference. First operand 3841 states and 5319 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 23:56:42,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:44,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:46,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:49,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:56:51,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:52,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:56:52,518 INFO L93 Difference]: Finished difference Result 3853 states and 5351 transitions. [2021-11-20 23:56:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:56:52,518 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 23:56:52,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:56:52,538 INFO L225 Difference]: With dead ends: 3853 [2021-11-20 23:56:52,538 INFO L226 Difference]: Without dead ends: 3851 [2021-11-20 23:56:52,541 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 23:56:52,542 INFO L933 BasicCegarLoop]: 2809 mSDtfsCounter, 3086 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:56:52,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 6028 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1038 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2021-11-20 23:56:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2021-11-20 23:56:52,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3845. [2021-11-20 23:56:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2379 states have (on average 1.2976040353089533) internal successors, (3087), 2443 states have internal predecessors, (3087), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:56:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5321 transitions. [2021-11-20 23:56:52,803 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5321 transitions. Word has length 82 [2021-11-20 23:56:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:56:52,806 INFO L470 AbstractCegarLoop]: Abstraction has 3845 states and 5321 transitions. [2021-11-20 23:56:52,806 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 23:56:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5321 transitions. [2021-11-20 23:56:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-20 23:56:52,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:56:52,809 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 23:56:52,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 23:56:52,809 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:56:52,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:56:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1834752011, now seen corresponding path program 1 times [2021-11-20 23:56:52,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:56:52,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483195782] [2021-11-20 23:56:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:56:52,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:56:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:56:52,974 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 23:56:52,974 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:56:52,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483195782] [2021-11-20 23:56:52,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483195782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:56:52,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:56:52,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:56:52,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55496341] [2021-11-20 23:56:52,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:56:52,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:56:52,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:56:52,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:56:52,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:56:52,977 INFO L87 Difference]: Start difference. First operand 3845 states and 5321 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 23:56:55,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:56:57,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:00,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:01,592 INFO L93 Difference]: Finished difference Result 3851 states and 5349 transitions. [2021-11-20 23:57:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:01,593 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 23:57:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:01,614 INFO L225 Difference]: With dead ends: 3851 [2021-11-20 23:57:01,614 INFO L226 Difference]: Without dead ends: 3849 [2021-11-20 23:57:01,617 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 23:57:01,621 INFO L933 BasicCegarLoop]: 2807 mSDtfsCounter, 3073 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3094 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:01,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3094 Valid, 6028 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2021-11-20 23:57:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2021-11-20 23:57:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3843. [2021-11-20 23:57:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2378 states have (on average 1.2973086627417998) internal successors, (3085), 2441 states have internal predecessors, (3085), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5319 transitions. [2021-11-20 23:57:01,910 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5319 transitions. Word has length 84 [2021-11-20 23:57:01,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:01,911 INFO L470 AbstractCegarLoop]: Abstraction has 3843 states and 5319 transitions. [2021-11-20 23:57:01,911 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 23:57:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5319 transitions. [2021-11-20 23:57:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 23:57:01,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:01,913 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 23:57:01,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 23:57:01,914 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1533192365, now seen corresponding path program 1 times [2021-11-20 23:57:01,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:01,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544892262] [2021-11-20 23:57:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:01,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:02,087 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 23:57:02,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:02,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544892262] [2021-11-20 23:57:02,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544892262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:02,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:02,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:02,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197048250] [2021-11-20 23:57:02,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:02,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:02,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:02,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:02,090 INFO L87 Difference]: Start difference. First operand 3843 states and 5319 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 23:57:04,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:06,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:09,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:10,897 INFO L93 Difference]: Finished difference Result 3849 states and 5347 transitions. [2021-11-20 23:57:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:10,897 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 23:57:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:10,913 INFO L225 Difference]: With dead ends: 3849 [2021-11-20 23:57:10,914 INFO L226 Difference]: Without dead ends: 3847 [2021-11-20 23:57:10,916 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 23:57:10,916 INFO L933 BasicCegarLoop]: 2805 mSDtfsCounter, 3072 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:10,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3093 Valid, 6024 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:57:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2021-11-20 23:57:11,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3841. [2021-11-20 23:57:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3841 states, 2377 states have (on average 1.2970130416491377) internal successors, (3083), 2439 states have internal predecessors, (3083), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3841 states and 5317 transitions. [2021-11-20 23:57:11,219 INFO L78 Accepts]: Start accepts. Automaton has 3841 states and 5317 transitions. Word has length 89 [2021-11-20 23:57:11,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:11,220 INFO L470 AbstractCegarLoop]: Abstraction has 3841 states and 5317 transitions. [2021-11-20 23:57:11,220 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 23:57:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 5317 transitions. [2021-11-20 23:57:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-20 23:57:11,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:11,223 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 23:57:11,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 23:57:11,223 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:11,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash 633819718, now seen corresponding path program 1 times [2021-11-20 23:57:11,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:11,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83300162] [2021-11-20 23:57:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:11,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:11,405 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 23:57:11,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:11,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83300162] [2021-11-20 23:57:11,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83300162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:11,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:11,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:11,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256451704] [2021-11-20 23:57:11,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:11,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:11,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:11,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:11,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:11,409 INFO L87 Difference]: Start difference. First operand 3841 states and 5317 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 23:57:13,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:16,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:19,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:20,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:20,100 INFO L93 Difference]: Finished difference Result 3843 states and 5319 transitions. [2021-11-20 23:57:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:20,101 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 23:57:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:20,117 INFO L225 Difference]: With dead ends: 3843 [2021-11-20 23:57:20,118 INFO L226 Difference]: Without dead ends: 3841 [2021-11-20 23:57:20,121 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 23:57:20,122 INFO L933 BasicCegarLoop]: 2790 mSDtfsCounter, 3090 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 5959 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:20,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3099 Valid, 5959 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1027 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:57:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2021-11-20 23:57:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 3839. [2021-11-20 23:57:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 2376 states have (on average 1.2967171717171717) internal successors, (3081), 2437 states have internal predecessors, (3081), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 5315 transitions. [2021-11-20 23:57:20,482 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 5315 transitions. Word has length 94 [2021-11-20 23:57:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:20,483 INFO L470 AbstractCegarLoop]: Abstraction has 3839 states and 5315 transitions. [2021-11-20 23:57:20,483 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 23:57:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 5315 transitions. [2021-11-20 23:57:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 23:57:20,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:20,486 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 23:57:20,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 23:57:20,487 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash 598357938, now seen corresponding path program 1 times [2021-11-20 23:57:20,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:20,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531701210] [2021-11-20 23:57:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:20,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:20,727 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 23:57:20,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:20,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531701210] [2021-11-20 23:57:20,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531701210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:20,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:20,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:20,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882665673] [2021-11-20 23:57:20,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:20,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:20,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:20,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:20,730 INFO L87 Difference]: Start difference. First operand 3839 states and 5315 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 23:57:23,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:25,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:28,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:29,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:29,538 INFO L93 Difference]: Finished difference Result 3845 states and 5343 transitions. [2021-11-20 23:57:29,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:29,539 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 23:57:29,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:29,556 INFO L225 Difference]: With dead ends: 3845 [2021-11-20 23:57:29,556 INFO L226 Difference]: Without dead ends: 3843 [2021-11-20 23:57:29,559 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 23:57:29,560 INFO L933 BasicCegarLoop]: 2801 mSDtfsCounter, 3066 mSDsluCounter, 3767 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 6016 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:29,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3087 Valid, 6016 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:57:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2021-11-20 23:57:29,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3837. [2021-11-20 23:57:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2375 states have (on average 1.296421052631579) internal successors, (3079), 2435 states have internal predecessors, (3079), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5313 transitions. [2021-11-20 23:57:29,963 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5313 transitions. Word has length 99 [2021-11-20 23:57:29,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:29,963 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5313 transitions. [2021-11-20 23:57:29,964 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 23:57:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5313 transitions. [2021-11-20 23:57:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 23:57:29,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:29,967 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 23:57:29,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 23:57:29,968 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:29,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:29,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1087734398, now seen corresponding path program 1 times [2021-11-20 23:57:29,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:29,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672565060] [2021-11-20 23:57:29,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:29,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:30,171 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 23:57:30,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:30,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672565060] [2021-11-20 23:57:30,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672565060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:30,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:30,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:30,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539584279] [2021-11-20 23:57:30,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:30,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:30,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:30,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:30,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:30,175 INFO L87 Difference]: Start difference. First operand 3837 states and 5313 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 23:57:32,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:35,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:37,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:38,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:38,912 INFO L93 Difference]: Finished difference Result 3839 states and 5315 transitions. [2021-11-20 23:57:38,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:38,912 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 23:57:38,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:38,926 INFO L225 Difference]: With dead ends: 3839 [2021-11-20 23:57:38,926 INFO L226 Difference]: Without dead ends: 3837 [2021-11-20 23:57:38,929 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 23:57:38,929 INFO L933 BasicCegarLoop]: 2794 mSDtfsCounter, 3084 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 5967 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:38,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3093 Valid, 5967 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1033 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:57:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2021-11-20 23:57:39,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3835. [2021-11-20 23:57:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2374 states have (on average 1.2961246840775063) internal successors, (3077), 2433 states have internal predecessors, (3077), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5311 transitions. [2021-11-20 23:57:39,326 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5311 transitions. Word has length 104 [2021-11-20 23:57:39,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:39,328 INFO L470 AbstractCegarLoop]: Abstraction has 3835 states and 5311 transitions. [2021-11-20 23:57:39,328 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 23:57:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5311 transitions. [2021-11-20 23:57:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-20 23:57:39,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:39,333 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 23:57:39,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 23:57:39,333 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:39,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1854608664, now seen corresponding path program 1 times [2021-11-20 23:57:39,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:39,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313275954] [2021-11-20 23:57:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:39,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:39,508 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 23:57:39,508 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:39,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313275954] [2021-11-20 23:57:39,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313275954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:39,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:39,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:39,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178782191] [2021-11-20 23:57:39,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:39,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:39,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:39,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:39,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:39,512 INFO L87 Difference]: Start difference. First operand 3835 states and 5311 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 23:57:42,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:44,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:47,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:48,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:48,306 INFO L93 Difference]: Finished difference Result 3841 states and 5339 transitions. [2021-11-20 23:57:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:48,306 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 23:57:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:48,319 INFO L225 Difference]: With dead ends: 3841 [2021-11-20 23:57:48,319 INFO L226 Difference]: Without dead ends: 3839 [2021-11-20 23:57:48,321 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 23:57:48,322 INFO L933 BasicCegarLoop]: 2789 mSDtfsCounter, 3060 mSDsluCounter, 3752 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 5992 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:48,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3081 Valid, 5992 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2021-11-20 23:57:48,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2021-11-20 23:57:48,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3833. [2021-11-20 23:57:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2373 states have (on average 1.2958280657395702) internal successors, (3075), 2431 states have internal predecessors, (3075), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5309 transitions. [2021-11-20 23:57:48,680 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5309 transitions. Word has length 109 [2021-11-20 23:57:48,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:48,680 INFO L470 AbstractCegarLoop]: Abstraction has 3833 states and 5309 transitions. [2021-11-20 23:57:48,680 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 23:57:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5309 transitions. [2021-11-20 23:57:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-20 23:57:48,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:48,683 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 23:57:48,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 23:57:48,684 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1444270552, now seen corresponding path program 1 times [2021-11-20 23:57:48,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:48,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904374137] [2021-11-20 23:57:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:48,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:48,875 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 23:57:48,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:48,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904374137] [2021-11-20 23:57:48,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904374137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:48,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:48,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:48,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069295478] [2021-11-20 23:57:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:48,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:48,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:48,878 INFO L87 Difference]: Start difference. First operand 3833 states and 5309 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 23:57:51,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:53,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:57:56,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:57:57,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:57,612 INFO L93 Difference]: Finished difference Result 3839 states and 5337 transitions. [2021-11-20 23:57:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:57,613 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 23:57:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:57,625 INFO L225 Difference]: With dead ends: 3839 [2021-11-20 23:57:57,626 INFO L226 Difference]: Without dead ends: 3837 [2021-11-20 23:57:57,628 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 23:57:57,629 INFO L933 BasicCegarLoop]: 2795 mSDtfsCounter, 3057 mSDsluCounter, 3761 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3078 SdHoareTripleChecker+Valid, 6004 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:57,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3078 Valid, 6004 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:57:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2021-11-20 23:57:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3831. [2021-11-20 23:57:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2372 states have (on average 1.295531197301855) internal successors, (3073), 2429 states have internal predecessors, (3073), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:57:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5307 transitions. [2021-11-20 23:57:57,996 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5307 transitions. Word has length 114 [2021-11-20 23:57:57,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:57,997 INFO L470 AbstractCegarLoop]: Abstraction has 3831 states and 5307 transitions. [2021-11-20 23:57:57,997 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 23:57:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5307 transitions. [2021-11-20 23:57:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 23:57:58,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:58,001 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 23:57:58,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 23:57:58,002 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:57:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash 245378688, now seen corresponding path program 1 times [2021-11-20 23:57:58,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:58,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711160782] [2021-11-20 23:57:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:58,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:58,178 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:58,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711160782] [2021-11-20 23:57:58,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711160782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:58,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:58,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:58,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323815510] [2021-11-20 23:57:58,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:58,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:58,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:58,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:58,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:58,181 INFO L87 Difference]: Start difference. First operand 3831 states and 5307 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 23:58:00,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:02,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:05,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:06,875 INFO L93 Difference]: Finished difference Result 3833 states and 5309 transitions. [2021-11-20 23:58:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:06,876 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 23:58:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:06,894 INFO L225 Difference]: With dead ends: 3833 [2021-11-20 23:58:06,895 INFO L226 Difference]: Without dead ends: 3831 [2021-11-20 23:58:06,943 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 23:58:06,944 INFO L933 BasicCegarLoop]: 2780 mSDtfsCounter, 3075 mSDsluCounter, 3704 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:06,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3084 Valid, 5939 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1027 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2021-11-20 23:58:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2021-11-20 23:58:07,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3829. [2021-11-20 23:58:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2371 states have (on average 1.2952340784479122) internal successors, (3071), 2427 states have internal predecessors, (3071), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:58:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5305 transitions. [2021-11-20 23:58:07,264 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5305 transitions. Word has length 119 [2021-11-20 23:58:07,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:07,265 INFO L470 AbstractCegarLoop]: Abstraction has 3829 states and 5305 transitions. [2021-11-20 23:58:07,265 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 23:58:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5305 transitions. [2021-11-20 23:58:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 23:58:07,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:07,268 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 23:58:07,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 23:58:07,269 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:07,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1498424388, now seen corresponding path program 1 times [2021-11-20 23:58:07,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:07,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026984264] [2021-11-20 23:58:07,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:07,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:07,445 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 23:58:07,446 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:07,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026984264] [2021-11-20 23:58:07,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026984264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:07,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:07,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:07,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603884977] [2021-11-20 23:58:07,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:07,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:07,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:07,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:07,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:07,449 INFO L87 Difference]: Start difference. First operand 3829 states and 5305 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 23:58:09,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:12,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:14,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:16,106 INFO L93 Difference]: Finished difference Result 3835 states and 5333 transitions. [2021-11-20 23:58:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:16,106 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 23:58:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:16,120 INFO L225 Difference]: With dead ends: 3835 [2021-11-20 23:58:16,121 INFO L226 Difference]: Without dead ends: 3833 [2021-11-20 23:58:16,123 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 23:58:16,124 INFO L933 BasicCegarLoop]: 2791 mSDtfsCounter, 3051 mSDsluCounter, 3757 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5996 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:16,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 5996 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2021-11-20 23:58:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-11-20 23:58:16,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3827. [2021-11-20 23:58:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2370 states have (on average 1.2949367088607595) internal successors, (3069), 2425 states have internal predecessors, (3069), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:58:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5303 transitions. [2021-11-20 23:58:16,391 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5303 transitions. Word has length 124 [2021-11-20 23:58:16,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:16,392 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5303 transitions. [2021-11-20 23:58:16,392 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 23:58:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5303 transitions. [2021-11-20 23:58:16,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-20 23:58:16,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:16,395 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 23:58:16,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 23:58:16,396 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:16,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:16,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1238976243, now seen corresponding path program 1 times [2021-11-20 23:58:16,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:16,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600169913] [2021-11-20 23:58:16,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:16,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:16,551 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 23:58:16,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600169913] [2021-11-20 23:58:16,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600169913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:16,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:16,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:16,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984815902] [2021-11-20 23:58:16,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:16,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:16,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:16,554 INFO L87 Difference]: Start difference. First operand 3827 states and 5303 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 23:58:18,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:21,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:24,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:25,260 INFO L93 Difference]: Finished difference Result 3833 states and 5331 transitions. [2021-11-20 23:58:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:25,261 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 23:58:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:25,276 INFO L225 Difference]: With dead ends: 3833 [2021-11-20 23:58:25,276 INFO L226 Difference]: Without dead ends: 3831 [2021-11-20 23:58:25,278 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 23:58:25,279 INFO L933 BasicCegarLoop]: 2781 mSDtfsCounter, 3048 mSDsluCounter, 3744 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 5976 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:25,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 5976 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2021-11-20 23:58:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2021-11-20 23:58:25,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3825. [2021-11-20 23:58:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3825 states, 2369 states have (on average 1.2946390882228789) internal successors, (3067), 2423 states have internal predecessors, (3067), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:58:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3825 states and 5301 transitions. [2021-11-20 23:58:25,561 INFO L78 Accepts]: Start accepts. Automaton has 3825 states and 5301 transitions. Word has length 129 [2021-11-20 23:58:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:25,561 INFO L470 AbstractCegarLoop]: Abstraction has 3825 states and 5301 transitions. [2021-11-20 23:58:25,561 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 23:58:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 5301 transitions. [2021-11-20 23:58:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-20 23:58:25,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:25,570 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 23:58:25,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 23:58:25,570 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:25,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2130226483, now seen corresponding path program 1 times [2021-11-20 23:58:25,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:25,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525581557] [2021-11-20 23:58:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:25,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:25,746 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 23:58:25,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:25,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525581557] [2021-11-20 23:58:25,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525581557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:25,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:25,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:25,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302256676] [2021-11-20 23:58:25,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:25,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:25,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:25,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:25,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:25,749 INFO L87 Difference]: Start difference. First operand 3825 states and 5301 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 23:58:28,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:30,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:33,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:34,403 INFO L93 Difference]: Finished difference Result 3827 states and 5303 transitions. [2021-11-20 23:58:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:34,404 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 23:58:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:34,416 INFO L225 Difference]: With dead ends: 3827 [2021-11-20 23:58:34,416 INFO L226 Difference]: Without dead ends: 3825 [2021-11-20 23:58:34,418 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 23:58:34,419 INFO L933 BasicCegarLoop]: 2774 mSDtfsCounter, 3066 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3075 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:34,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3075 Valid, 5927 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1027 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2021-11-20 23:58:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2021-11-20 23:58:34,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3823. [2021-11-20 23:58:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2368 states have (on average 1.2943412162162162) internal successors, (3065), 2421 states have internal predecessors, (3065), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:58:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5299 transitions. [2021-11-20 23:58:34,735 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5299 transitions. Word has length 134 [2021-11-20 23:58:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:34,736 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5299 transitions. [2021-11-20 23:58:34,736 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 23:58:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5299 transitions. [2021-11-20 23:58:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-20 23:58:34,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:34,740 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, 1, 1, 1, 1, 1] [2021-11-20 23:58:34,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 23:58:34,740 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:34,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash 662330685, now seen corresponding path program 1 times [2021-11-20 23:58:34,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:34,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575325323] [2021-11-20 23:58:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:34,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:34,988 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 23:58:34,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:34,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575325323] [2021-11-20 23:58:34,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575325323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:34,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:34,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:34,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552735811] [2021-11-20 23:58:34,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:34,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:34,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:34,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:34,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:34,991 INFO L87 Difference]: Start difference. First operand 3823 states and 5299 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 23:58:37,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:39,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:41,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:41,583 INFO L93 Difference]: Finished difference Result 3825 states and 5301 transitions. [2021-11-20 23:58:41,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:41,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2021-11-20 23:58:41,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:41,596 INFO L225 Difference]: With dead ends: 3825 [2021-11-20 23:58:41,596 INFO L226 Difference]: Without dead ends: 3823 [2021-11-20 23:58:41,599 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 23:58:41,600 INFO L933 BasicCegarLoop]: 2772 mSDtfsCounter, 3063 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5923 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:41,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 5923 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1028 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-11-20 23:58:41,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2021-11-20 23:58:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3821. [2021-11-20 23:58:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 2367 states have (on average 1.29404309252218) internal successors, (3063), 2419 states have internal predecessors, (3063), 1113 states have call successors, (1113), 341 states have call predecessors, (1113), 336 states have return successors, (1121), 1092 states have call predecessors, (1121), 1111 states have call successors, (1121) [2021-11-20 23:58:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5297 transitions. [2021-11-20 23:58:42,016 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5297 transitions. Word has length 139 [2021-11-20 23:58:42,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:42,016 INFO L470 AbstractCegarLoop]: Abstraction has 3821 states and 5297 transitions. [2021-11-20 23:58:42,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 23:58:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5297 transitions. [2021-11-20 23:58:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-20 23:58:42,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:42,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:42,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 23:58:42,021 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash 119919351, now seen corresponding path program 1 times [2021-11-20 23:58:42,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:42,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307282874] [2021-11-20 23:58:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:42,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:42,212 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 23:58:42,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:42,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307282874] [2021-11-20 23:58:42,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307282874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:42,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:42,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:42,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287974875] [2021-11-20 23:58:42,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:42,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:42,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:42,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:42,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:42,215 INFO L87 Difference]: Start difference. First operand 3821 states and 5297 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 23:58:44,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:46,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:48,826 INFO L93 Difference]: Finished difference Result 3823 states and 5299 transitions. [2021-11-20 23:58:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:48,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2021-11-20 23:58:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:48,846 INFO L225 Difference]: With dead ends: 3823 [2021-11-20 23:58:48,847 INFO L226 Difference]: Without dead ends: 3693 [2021-11-20 23:58:48,852 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 23:58:48,853 INFO L933 BasicCegarLoop]: 2779 mSDtfsCounter, 3060 mSDsluCounter, 3707 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:48,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3067 Valid, 5937 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-11-20 23:58:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2021-11-20 23:58:49,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3691. [2021-11-20 23:58:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 2300 states have (on average 1.301304347826087) internal successors, (2993), 2350 states have internal predecessors, (2993), 1070 states have call successors, (1070), 321 states have call predecessors, (1070), 317 states have return successors, (1080), 1051 states have call predecessors, (1080), 1070 states have call successors, (1080) [2021-11-20 23:58:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 5143 transitions. [2021-11-20 23:58:49,255 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 5143 transitions. Word has length 144 [2021-11-20 23:58:49,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:49,256 INFO L470 AbstractCegarLoop]: Abstraction has 3691 states and 5143 transitions. [2021-11-20 23:58:49,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 23:58:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 5143 transitions. [2021-11-20 23:58:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-20 23:58:49,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:49,259 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:49,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 23:58:49,260 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-20 23:58:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:49,261 INFO L85 PathProgramCache]: Analyzing trace with hash -347627069, now seen corresponding path program 1 times [2021-11-20 23:58:49,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:49,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808922477] [2021-11-20 23:58:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:49,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:49,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:49,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363691564] [2021-11-20 23:58:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:49,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:49,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:49,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:49,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047960c9-86db-480b-8e2e-41640c38c1cb/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:58:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:50,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-20 23:58:50,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2021-11-20 23:58:51,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:58:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-20 23:58:53,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:53,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808922477] [2021-11-20 23:58:53,047 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:53,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363691564] [2021-11-20 23:58:53,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363691564] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:58:53,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887359547] [2021-11-20 23:58:53,076 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2021-11-20 23:58:53,076 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:58:53,083 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:58:53,090 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:58:53,090 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs