./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.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_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/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_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/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_4d47684e-d3b6-458e-a556-38f12a74445a/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 dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:35:35,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:35:35,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:35:35,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:35:35,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:35:35,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:35:35,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:35:35,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:35:35,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:35:35,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:35:35,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:35:35,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:35:35,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:35:35,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:35:35,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:35:35,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:35:35,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:35:35,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:35:35,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:35:35,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:35:35,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:35:35,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:35:35,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:35:35,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:35:35,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:35:35,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:35:35,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:35:35,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:35:35,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:35:35,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:35:35,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:35:35,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:35:35,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:35:35,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:35:35,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:35:35,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:35:35,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:35:35,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:35:35,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:35:35,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:35:35,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:35:35,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:35:36,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:35:36,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:35:36,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:35:36,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:35:36,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:35:36,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:35:36,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:35:36,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:35:36,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:35:36,035 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:35:36,036 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:35:36,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:35:36,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:35:36,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:35:36,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:35:36,037 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:35:36,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:35:36,037 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:35:36,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:35:36,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:35:36,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:35:36,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:35:36,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:35:36,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:35:36,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:35:36,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:35:36,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:35:36,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:35:36,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:35:36,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:35:36,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:35:36,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:35:36,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:35:36,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:35:36,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:35:36,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:35:36,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:35:36,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:35:36,052 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_4d47684e-d3b6-458e-a556-38f12a74445a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 [2021-11-21 00:35:36,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:35:36,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:35:36,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:35:36,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:35:36,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:35:36,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:35:36,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/data/f07e9351c/a761611cca7347899f2892be26f012c8/FLAGce050c415 [2021-11-21 00:35:37,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:35:37,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:35:37,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/data/f07e9351c/a761611cca7347899f2892be26f012c8/FLAGce050c415 [2021-11-21 00:35:37,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/data/f07e9351c/a761611cca7347899f2892be26f012c8 [2021-11-21 00:35:37,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:35:37,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:35:37,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:35:37,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:35:37,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:35:37,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:35:37" (1/1) ... [2021-11-21 00:35:37,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46411a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:37, skipping insertion in model container [2021-11-21 00:35:37,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:35:37" (1/1) ... [2021-11-21 00:35:37,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:35:37,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:35:50,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-21 00:35:50,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-21 00:35:50,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-21 00:35:50,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-21 00:35:50,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:35:50,446 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:35:51,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-21 00:35:51,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-21 00:35:51,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-21 00:35:51,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-21 00:35:51,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:35:52,259 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:35:52,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52 WrapperNode [2021-11-21 00:35:52,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:35:52,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:35:52,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:35:52,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:35:52,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:52,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:53,331 INFO L137 Inliner]: procedures = 1123, calls = 12719, calls flagged for inlining = 622, calls inlined = 584, statements flattened = 22616 [2021-11-21 00:35:53,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:35:53,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:35:53,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:35:53,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:35:53,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:53,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:53,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:53,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:54,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:54,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:54,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:54,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:35:54,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:35:54,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:35:54,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:35:54,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (1/1) ... [2021-11-21 00:35:54,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:35:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:35:54,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:35:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:35:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-21 00:35:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-21 00:35:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 00:35:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 00:35:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-21 00:35:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-21 00:35:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 00:35:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 00:35:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-21 00:35:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-21 00:35:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:35:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:35:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-21 00:35:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-21 00:35:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:35:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:35:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-21 00:35:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-21 00:35:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:35:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:35:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 00:35:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 00:35:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:35:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:35:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-21 00:35:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-21 00:35:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-21 00:35:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-21 00:35:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-21 00:35:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-21 00:35:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:35:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:35:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:35:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:35:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-21 00:35:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-21 00:35:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-21 00:35:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-21 00:35:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:35:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:35:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-21 00:35:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-21 00:35:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-21 00:35:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-21 00:35:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-21 00:35:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-21 00:35:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2021-11-21 00:35:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2021-11-21 00:35:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 00:35:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 00:35:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-21 00:35:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-21 00:35:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-21 00:35:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-21 00:35:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-21 00:35:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-21 00:35:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:35:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:35:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-21 00:35:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-21 00:35:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-21 00:35:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-21 00:35:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-21 00:35:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-21 00:35:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:35:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:35:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:35:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-21 00:35:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-21 00:35:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:35:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:35:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-21 00:35:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-21 00:35:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-21 00:35:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-21 00:35:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:35:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:35:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-21 00:35:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-21 00:35:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-21 00:35:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-21 00:35:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-21 00:35:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-21 00:35:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-21 00:35:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-21 00:35:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-21 00:35:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-21 00:35:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:35:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:35:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-21 00:35:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-21 00:35:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:35:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 00:35:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 00:35:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 00:35:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 00:35:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-21 00:35:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-21 00:35:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-21 00:35:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-21 00:35:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-21 00:35:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-21 00:35:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-21 00:35:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-21 00:35:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:35:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:35:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-21 00:35:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-21 00:35:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-21 00:35:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-21 00:35:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-21 00:35:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-21 00:35:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:35:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:35:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:35:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:35:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:35:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-21 00:35:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-21 00:35:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:35:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-21 00:35:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-21 00:35:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:35:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-21 00:35:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-21 00:35:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 00:35:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 00:35:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-21 00:35:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-21 00:35:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-21 00:35:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-21 00:35:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:35:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:35:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-21 00:35:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-21 00:35:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:35:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:35:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-21 00:35:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-21 00:35:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-21 00:35:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-21 00:35:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:35:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:35:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-21 00:35:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-21 00:35:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-21 00:35:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-21 00:35:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:35:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:35:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-21 00:35:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-21 00:35:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-21 00:35:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-21 00:35:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-21 00:35:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-21 00:35:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-21 00:35:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-21 00:35:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:35:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:35:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-21 00:35:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-21 00:35:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-21 00:35:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-21 00:35:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-21 00:35:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-21 00:35:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-21 00:35:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-21 00:35:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-21 00:35:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-21 00:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-21 00:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-21 00:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-21 00:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-21 00:35:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:35:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:35:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-21 00:35:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-21 00:35:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-21 00:35:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-21 00:35:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-21 00:35:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-21 00:35:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-21 00:35:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-21 00:35:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:35:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:35:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:35:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-21 00:35:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-21 00:35:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-21 00:35:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-21 00:35:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:35:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:35:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 00:35:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-21 00:35:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-21 00:35:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:35:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:35:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-21 00:35:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-21 00:35:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-21 00:35:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-21 00:35:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-21 00:35:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-21 00:35:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-21 00:35:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-21 00:35:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 00:35:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 00:35:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-21 00:35:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-21 00:35:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-21 00:35:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-21 00:35:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:35:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:35:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-21 00:35:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-21 00:35:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 00:35:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 00:35:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-21 00:35:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-21 00:35:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-21 00:35:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-21 00:35:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:35:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:35:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-21 00:35:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-21 00:35:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:35:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-21 00:35:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-21 00:35:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-21 00:35:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-21 00:35:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:35:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:35:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:35:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-21 00:35:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-21 00:35:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-21 00:35:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-21 00:35:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-21 00:35:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-21 00:35:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-21 00:35:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-21 00:35:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-21 00:35:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-21 00:35:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-21 00:35:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-21 00:35:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-21 00:35:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-21 00:35:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:35:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:35:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-21 00:35:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-21 00:35:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 00:35:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 00:35:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:35:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:35:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-21 00:35:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-21 00:35:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_62 [2021-11-21 00:35:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_62 [2021-11-21 00:35:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-21 00:35:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-21 00:35:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-21 00:35:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-21 00:35:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-21 00:35:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-21 00:35:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-21 00:35:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-21 00:35:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 00:35:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 00:35:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:35:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:35:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-21 00:35:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-21 00:35:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:35:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:35:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-21 00:35:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-21 00:35:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-21 00:35:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-21 00:35:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:35:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-21 00:35:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-21 00:35:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-21 00:35:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-21 00:35:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:35:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:35:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-11-21 00:35:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-11-21 00:35:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-21 00:35:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-21 00:35:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2021-11-21 00:35:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2021-11-21 00:35:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-21 00:35:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-21 00:35:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-21 00:35:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-21 00:35:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-21 00:35:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-21 00:35:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:35:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:35:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 00:35:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 00:35:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-21 00:35:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-21 00:35:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-21 00:35:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-21 00:35:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-21 00:35:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-21 00:35:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-21 00:35:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-21 00:35:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:35:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:35:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-21 00:35:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-21 00:35:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-21 00:35:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-21 00:35:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-21 00:35:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-21 00:35:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-21 00:35:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-21 00:35:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-21 00:35:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-21 00:35:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-21 00:35:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-21 00:35:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-21 00:35:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-21 00:35:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:35:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:35:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:35:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:35:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-21 00:35:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-21 00:35:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-21 00:35:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-21 00:35:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2021-11-21 00:35:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2021-11-21 00:35:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-21 00:35:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-21 00:35:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:35:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:35:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-21 00:35:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-21 00:35:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:35:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:35:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 00:35:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 00:35:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-21 00:35:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-21 00:35:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-11-21 00:35:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-11-21 00:35:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-21 00:35:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-21 00:35:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-21 00:35:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-21 00:35:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:35:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:35:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-21 00:35:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-21 00:35:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-21 00:35:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-21 00:35:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-21 00:35:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-21 00:35:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:35:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:35:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 00:35:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 00:35:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:35:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:35:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-21 00:35:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-21 00:35:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-21 00:35:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-21 00:35:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:35:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-21 00:35:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-21 00:35:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-21 00:35:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-21 00:35:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-21 00:35:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-21 00:35:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-21 00:35:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-21 00:35:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:35:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:35:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-21 00:35:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-21 00:35:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-21 00:35:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-21 00:35:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:35:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:35:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-21 00:35:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-21 00:35:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-21 00:35:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-21 00:35:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:35:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:35:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:35:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-21 00:35:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-21 00:35:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-21 00:35:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-21 00:35:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-21 00:35:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-21 00:35:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-21 00:35:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-21 00:35:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-21 00:35:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-21 00:35:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-21 00:35:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-21 00:35:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:35:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:35:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:35:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-21 00:35:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-21 00:35:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:35:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:35:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-21 00:35:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-21 00:35:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:35:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:35:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:35:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:35:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-21 00:35:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-21 00:35:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 00:35:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 00:35:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-21 00:35:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-21 00:35:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-21 00:35:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-21 00:35:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-21 00:35:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-21 00:35:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-21 00:35:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-21 00:35:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-21 00:35:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-21 00:35:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-21 00:35:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-21 00:35:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-21 00:35:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-21 00:35:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-21 00:35:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-21 00:35:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-21 00:35:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-21 00:35:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-21 00:35:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-21 00:35:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:35:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:35:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-21 00:35:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-21 00:35:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-21 00:35:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-21 00:35:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-21 00:35:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-21 00:35:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-21 00:35:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-21 00:35:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-21 00:35:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-21 00:35:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-21 00:35:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-21 00:35:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-21 00:35:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-21 00:35:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-21 00:35:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-21 00:35:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-21 00:35:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-21 00:35:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-21 00:35:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-21 00:35:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:35:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:35:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-21 00:35:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-21 00:35:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-21 00:35:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-21 00:35:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:35:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:35:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-21 00:35:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-21 00:35:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-21 00:35:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-21 00:35:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-21 00:35:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-21 00:35:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-21 00:35:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-21 00:35:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-21 00:35:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-21 00:35:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-21 00:35:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-21 00:35:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-21 00:35:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-21 00:35:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-21 00:35:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-21 00:35:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-21 00:35:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-21 00:35:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 00:35:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 00:35:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-21 00:35:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-21 00:35:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-21 00:35:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-21 00:35:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:35:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:35:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-21 00:35:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-21 00:35:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-21 00:35:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-21 00:35:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-21 00:35:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-21 00:35:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-21 00:35:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-21 00:35:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:35:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:35:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:35:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:35:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:35:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-21 00:35:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-21 00:35:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-21 00:35:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-21 00:35:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:35:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:35:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 00:35:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 00:35:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-21 00:35:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-21 00:35:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-21 00:35:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-21 00:35:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-21 00:35:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-21 00:35:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-21 00:35:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-21 00:35:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-21 00:35:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-21 00:35:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-21 00:35:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-21 00:35:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-21 00:35:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-21 00:35:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-21 00:35:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-21 00:35:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-21 00:35:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-21 00:35:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-21 00:35:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-21 00:35:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 00:35:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 00:35:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-21 00:35:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-21 00:35:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:35:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:35:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-21 00:35:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-21 00:35:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-21 00:35:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-21 00:35:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:35:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:35:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-21 00:35:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-21 00:35:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:35:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-21 00:35:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-21 00:35:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 00:35:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 00:35:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-21 00:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-21 00:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 00:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 00:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-21 00:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-21 00:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:35:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-21 00:35:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-21 00:35:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 00:35:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 00:35:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-21 00:35:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-21 00:35:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-21 00:35:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-21 00:35:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 00:35:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 00:35:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:35:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:35:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-21 00:35:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-21 00:35:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-21 00:35:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-21 00:35:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-21 00:35:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-21 00:35:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-21 00:35:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-21 00:35:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-21 00:35:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-21 00:35:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-21 00:35:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-21 00:35:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:35:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:35:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-21 00:35:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-21 00:35:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:35:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:35:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-21 00:35:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-21 00:35:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-21 00:35:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-21 00:35:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:35:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:35:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-21 00:35:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-21 00:35:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-21 00:35:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-21 00:35:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 00:35:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 00:35:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-21 00:35:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-21 00:35:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-21 00:35:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-21 00:35:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_63 [2021-11-21 00:35:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_63 [2021-11-21 00:35:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-21 00:35:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-21 00:35:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-21 00:35:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-21 00:35:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 00:35:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 00:35:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-21 00:35:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-21 00:35:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-21 00:35:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-21 00:35:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:35:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:35:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 00:35:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 00:35:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-21 00:35:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-21 00:35:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-21 00:35:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-21 00:35:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:35:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:35:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-21 00:35:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-21 00:35:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 00:35:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 00:35:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:35:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:35:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-21 00:35:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-21 00:35:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:35:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:35:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-21 00:35:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-21 00:35:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-21 00:35:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-21 00:35:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-21 00:35:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-21 00:35:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:35:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:35:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:35:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-21 00:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-21 00:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-21 00:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-21 00:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-21 00:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-21 00:35:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 00:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 00:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-21 00:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-21 00:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-21 00:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-21 00:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-21 00:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-21 00:35:57,550 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:35:57,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:35:57,820 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:36:28,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 00:36:29,340 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:36:35,495 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:36:35,495 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 00:36:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:35 BoogieIcfgContainer [2021-11-21 00:36:35,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:36:35,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:36:35,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:36:35,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:36:35,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:35:37" (1/3) ... [2021-11-21 00:36:35,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f64e730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:35, skipping insertion in model container [2021-11-21 00:36:35,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:35:52" (2/3) ... [2021-11-21 00:36:35,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f64e730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:35, skipping insertion in model container [2021-11-21 00:36:35,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:35" (3/3) ... [2021-11-21 00:36:35,511 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:36:35,516 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:36:35,517 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-21 00:36:35,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:36:35,594 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:36:35,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-21 00:36:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 5120 states, 3060 states have (on average 1.3199346405228758) internal successors, (4039), 3158 states have internal predecessors, (4039), 1731 states have call successors, (1731), 327 states have call predecessors, (1731), 326 states have return successors, (1717), 1659 states have call predecessors, (1717), 1717 states have call successors, (1717) [2021-11-21 00:36:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2021-11-21 00:36:35,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:35,765 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:35,765 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:36:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1839081219, now seen corresponding path program 1 times [2021-11-21 00:36:35,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:35,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055741020] [2021-11-21 00:36:35,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:35,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:36:38,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055741020] [2021-11-21 00:36:38,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055741020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:38,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:38,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:36:38,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682058551] [2021-11-21 00:36:38,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:38,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:36:38,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:38,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:36:38,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:36:38,196 INFO L87 Difference]: Start difference. First operand has 5120 states, 3060 states have (on average 1.3199346405228758) internal successors, (4039), 3158 states have internal predecessors, (4039), 1731 states have call successors, (1731), 327 states have call predecessors, (1731), 326 states have return successors, (1717), 1659 states have call predecessors, (1717), 1717 states have call successors, (1717) Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:36:40,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:44,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:55,839 INFO L93 Difference]: Finished difference Result 14923 states and 22262 transitions. [2021-11-21 00:36:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:36:55,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 820 [2021-11-21 00:36:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:55,973 INFO L225 Difference]: With dead ends: 14923 [2021-11-21 00:36:55,973 INFO L226 Difference]: Without dead ends: 9946 [2021-11-21 00:36:56,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:36:56,037 INFO L933 BasicCegarLoop]: 7979 mSDtfsCounter, 7102 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7106 SdHoareTripleChecker+Valid, 14276 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:56,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7106 Valid, 14276 Invalid, 2334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2316 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2021-11-21 00:36:56,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9946 states. [2021-11-21 00:36:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9946 to 9941. [2021-11-21 00:36:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9941 states, 5978 states have (on average 1.3191702910672465) internal successors, (7886), 6172 states have internal predecessors, (7886), 3313 states have call successors, (3313), 649 states have call predecessors, (3313), 647 states have return successors, (3309), 3192 states have call predecessors, (3309), 3309 states have call successors, (3309) [2021-11-21 00:36:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9941 states to 9941 states and 14508 transitions. [2021-11-21 00:36:57,145 INFO L78 Accepts]: Start accepts. Automaton has 9941 states and 14508 transitions. Word has length 820 [2021-11-21 00:36:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:57,154 INFO L470 AbstractCegarLoop]: Abstraction has 9941 states and 14508 transitions. [2021-11-21 00:36:57,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:36:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 9941 states and 14508 transitions. [2021-11-21 00:36:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2021-11-21 00:36:57,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:57,205 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:57,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:36:57,206 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:36:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2073447539, now seen corresponding path program 1 times [2021-11-21 00:36:57,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:57,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451541073] [2021-11-21 00:36:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:57,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:57,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207685243] [2021-11-21 00:36:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:57,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:57,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:57,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:37:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:02,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 20576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:37:02,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-21 00:37:04,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:37:04,501 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:04,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451541073] [2021-11-21 00:37:04,501 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:04,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207685243] [2021-11-21 00:37:04,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207685243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:04,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:04,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:37:04,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068276298] [2021-11-21 00:37:04,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:04,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:04,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:04,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:04,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:04,506 INFO L87 Difference]: Start difference. First operand 9941 states and 14508 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:37:07,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:10,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:16,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:21,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:23,172 INFO L93 Difference]: Finished difference Result 29296 states and 42728 transitions. [2021-11-21 00:37:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:37:23,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 826 [2021-11-21 00:37:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:23,339 INFO L225 Difference]: With dead ends: 29296 [2021-11-21 00:37:23,339 INFO L226 Difference]: Without dead ends: 19516 [2021-11-21 00:37:23,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:23,401 INFO L933 BasicCegarLoop]: 8006 mSDtfsCounter, 7095 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7101 SdHoareTripleChecker+Valid, 14193 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:23,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7101 Valid, 14193 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2351 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2021-11-21 00:37:23,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19516 states. [2021-11-21 00:37:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19516 to 19473. [2021-11-21 00:37:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19473 states, 11767 states have (on average 1.32234214328206) internal successors, (15560), 12155 states have internal predecessors, (15560), 6413 states have call successors, (6413), 1294 states have call predecessors, (6413), 1290 states have return successors, (6413), 6169 states have call predecessors, (6413), 6409 states have call successors, (6413) [2021-11-21 00:37:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19473 states to 19473 states and 28386 transitions. [2021-11-21 00:37:24,897 INFO L78 Accepts]: Start accepts. Automaton has 19473 states and 28386 transitions. Word has length 826 [2021-11-21 00:37:24,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:24,900 INFO L470 AbstractCegarLoop]: Abstraction has 19473 states and 28386 transitions. [2021-11-21 00:37:24,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:37:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 19473 states and 28386 transitions. [2021-11-21 00:37:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2021-11-21 00:37:24,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:24,913 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:24,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:37:25,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 00:37:25,128 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:37:25,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash -531547493, now seen corresponding path program 1 times [2021-11-21 00:37:25,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:25,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227011080] [2021-11-21 00:37:25,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:25,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:25,754 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:25,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474743810] [2021-11-21 00:37:25,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:25,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:25,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:25,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:37:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:30,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 20577 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:37:30,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-21 00:37:31,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:37:31,980 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:31,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227011080] [2021-11-21 00:37:31,980 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:31,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474743810] [2021-11-21 00:37:31,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474743810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:31,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:31,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:37:31,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502084436] [2021-11-21 00:37:31,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:31,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:31,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:31,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:31,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:31,984 INFO L87 Difference]: Start difference. First operand 19473 states and 28386 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:37:34,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:36,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:38,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:42,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:49,048 INFO L93 Difference]: Finished difference Result 57632 states and 83980 transitions. [2021-11-21 00:37:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:37:49,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 827 [2021-11-21 00:37:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:49,281 INFO L225 Difference]: With dead ends: 57632 [2021-11-21 00:37:49,281 INFO L226 Difference]: Without dead ends: 38320 [2021-11-21 00:37:49,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:49,376 INFO L933 BasicCegarLoop]: 7931 mSDtfsCounter, 7112 mSDsluCounter, 7297 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7116 SdHoareTripleChecker+Valid, 14118 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:49,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7116 Valid, 14118 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2329 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2021-11-21 00:37:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38320 states. [2021-11-21 00:37:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38320 to 38279. [2021-11-21 00:37:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38279 states, 23217 states have (on average 1.3242882370676659) internal successors, (30746), 23991 states have internal predecessors, (30746), 12497 states have call successors, (12497), 2570 states have call predecessors, (12497), 2562 states have return successors, (12501), 12009 states have call predecessors, (12501), 12493 states have call successors, (12501) [2021-11-21 00:37:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38279 states to 38279 states and 55744 transitions. [2021-11-21 00:37:52,207 INFO L78 Accepts]: Start accepts. Automaton has 38279 states and 55744 transitions. Word has length 827 [2021-11-21 00:37:52,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:52,209 INFO L470 AbstractCegarLoop]: Abstraction has 38279 states and 55744 transitions. [2021-11-21 00:37:52,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2021-11-21 00:37:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 38279 states and 55744 transitions. [2021-11-21 00:37:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-11-21 00:37:52,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:52,228 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:52,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:37:52,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47684e-d3b6-458e-a556-38f12a74445a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:52,445 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:37:52,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:52,446 INFO L85 PathProgramCache]: Analyzing trace with hash 684363652, now seen corresponding path program 1 times [2021-11-21 00:37:52,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:52,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633527079] [2021-11-21 00:37:52,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:52,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:37:54,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:54,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633527079] [2021-11-21 00:37:54,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633527079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:54,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:54,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:37:54,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053803067] [2021-11-21 00:37:54,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:54,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:54,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:54,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:54,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:54,082 INFO L87 Difference]: Start difference. First operand 38279 states and 55744 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-21 00:37:57,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:59,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:01,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:07,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:38:13,519 INFO L93 Difference]: Finished difference Result 113134 states and 164714 transitions. [2021-11-21 00:38:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:38:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 834 [2021-11-21 00:38:13,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:38:14,024 INFO L225 Difference]: With dead ends: 113134 [2021-11-21 00:38:14,024 INFO L226 Difference]: Without dead ends: 75016 [2021-11-21 00:38:14,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:14,246 INFO L933 BasicCegarLoop]: 8018 mSDtfsCounter, 6906 mSDsluCounter, 7430 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 14324 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:38:14,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6913 Valid, 14324 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2296 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2021-11-21 00:38:14,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75016 states. [2021-11-21 00:38:18,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75016 to 74957. [2021-11-21 00:38:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74957 states, 45499 states have (on average 1.3266225631332558) internal successors, (60360), 47063 states have internal predecessors, (60360), 24367 states have call successors, (24367), 5104 states have call predecessors, (24367), 5088 states have return successors, (24403), 23373 states have call predecessors, (24403), 24363 states have call successors, (24403) [2021-11-21 00:38:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74957 states to 74957 states and 109130 transitions. [2021-11-21 00:38:19,293 INFO L78 Accepts]: Start accepts. Automaton has 74957 states and 109130 transitions. Word has length 834 [2021-11-21 00:38:19,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:38:19,295 INFO L470 AbstractCegarLoop]: Abstraction has 74957 states and 109130 transitions. [2021-11-21 00:38:19,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-21 00:38:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 74957 states and 109130 transitions. [2021-11-21 00:38:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-11-21 00:38:19,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:38:19,316 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:38:19,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:38:19,316 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:38:19,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:38:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1523743166, now seen corresponding path program 1 times [2021-11-21 00:38:19,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:38:19,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297139752] [2021-11-21 00:38:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:19,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:38:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:38:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:38:20,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:38:20,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297139752] [2021-11-21 00:38:20,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297139752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:38:20,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:38:20,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:38:20,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000305144] [2021-11-21 00:38:20,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:38:20,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:38:20,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:38:20,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:38:20,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:20,824 INFO L87 Difference]: Start difference. First operand 74957 states and 109130 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2021-11-21 00:38:24,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:27,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:32,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:34,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:39,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:43,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:38:43,410 INFO L93 Difference]: Finished difference Result 224172 states and 330516 transitions. [2021-11-21 00:38:43,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:38:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) Word has length 839 [2021-11-21 00:38:43,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:38:44,716 INFO L225 Difference]: With dead ends: 224172 [2021-11-21 00:38:44,716 INFO L226 Difference]: Without dead ends: 149376 [2021-11-21 00:38:45,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:45,018 INFO L933 BasicCegarLoop]: 8115 mSDtfsCounter, 7301 mSDsluCounter, 7535 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7305 SdHoareTripleChecker+Valid, 14528 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:38:45,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7305 Valid, 14528 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2271 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2021-11-21 00:38:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149376 states. [2021-11-21 00:38:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149376 to 149233. [2021-11-21 00:38:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149233 states, 90619 states have (on average 1.3270947593771725) internal successors, (120260), 93791 states have internal predecessors, (120260), 48479 states have call successors, (48479), 10196 states have call predecessors, (48479), 10132 states have return successors, (52667), 46413 states have call predecessors, (52667), 48475 states have call successors, (52667) [2021-11-21 00:38:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149233 states to 149233 states and 221406 transitions. [2021-11-21 00:38:54,381 INFO L78 Accepts]: Start accepts. Automaton has 149233 states and 221406 transitions. Word has length 839 [2021-11-21 00:38:54,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:38:54,383 INFO L470 AbstractCegarLoop]: Abstraction has 149233 states and 221406 transitions. [2021-11-21 00:38:54,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2021-11-21 00:38:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 149233 states and 221406 transitions. [2021-11-21 00:38:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-11-21 00:38:54,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:38:54,404 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:38:54,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:38:54,405 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:38:54,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:38:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 472819650, now seen corresponding path program 1 times [2021-11-21 00:38:54,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:38:54,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460722303] [2021-11-21 00:38:54,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:54,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:38:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:38:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:38:56,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:38:56,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460722303] [2021-11-21 00:38:56,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460722303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:38:56,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:38:56,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:38:56,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556906366] [2021-11-21 00:38:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:38:56,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:38:56,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:38:56,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:38:56,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:56,092 INFO L87 Difference]: Start difference. First operand 149233 states and 221406 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2021-11-21 00:39:00,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:05,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:10,857 INFO L93 Difference]: Finished difference Result 250227 states and 366802 transitions. [2021-11-21 00:39:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:39:10,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 839 [2021-11-21 00:39:10,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:11,867 INFO L225 Difference]: With dead ends: 250227 [2021-11-21 00:39:11,868 INFO L226 Difference]: Without dead ends: 101155 [2021-11-21 00:39:12,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:39:12,373 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5920 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5923 SdHoareTripleChecker+Valid, 5484 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:12,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5923 Valid, 5484 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 972 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2021-11-21 00:39:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101155 states.