./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/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_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 03:34:14,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:34:14,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:34:14,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:34:14,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:34:14,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:34:14,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:34:14,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:34:14,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:34:14,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:34:14,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:34:14,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:34:14,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:34:14,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:34:14,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:34:14,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:34:14,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:34:14,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:34:14,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:34:14,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:34:14,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:34:14,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:34:14,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:34:14,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:34:14,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:34:14,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:34:14,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:34:14,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:34:14,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:34:14,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:34:14,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:34:14,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:34:14,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:34:14,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:34:14,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:34:14,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:34:14,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:34:14,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:34:14,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:34:14,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:34:14,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:34:14,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:34:14,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:34:14,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:34:14,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:34:14,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:34:14,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:34:14,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:34:14,776 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:34:14,777 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:34:14,777 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:34:14,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:34:14,779 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:34:14,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:34:14,779 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:34:14,780 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:34:14,780 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:34:14,780 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:34:14,781 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:34:14,781 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:34:14,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:34:14,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:34:14,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:34:14,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:34:14,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:34:14,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:34:14,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:34:14,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:34:14,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:34:14,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:34:14,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:34:14,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:34:14,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:34:14,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:34:14,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:34:14,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:34:14,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:34:14,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:34:14,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:34:14,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:34:14,792 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_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 [2021-11-23 03:34:15,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:34:15,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:34:15,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:34:15,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:34:15,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:34:15,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-23 03:34:15,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/data/b67ca0f18/afcd7b7c5e4246a8b7c45111a5d8c511/FLAG39f280cb2 [2021-11-23 03:34:16,871 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:34:16,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-23 03:34:17,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/data/b67ca0f18/afcd7b7c5e4246a8b7c45111a5d8c511/FLAG39f280cb2 [2021-11-23 03:34:17,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/data/b67ca0f18/afcd7b7c5e4246a8b7c45111a5d8c511 [2021-11-23 03:34:17,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:34:17,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:34:17,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:34:17,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:34:17,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:34:17,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:17" (1/1) ... [2021-11-23 03:34:17,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233c25db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:17, skipping insertion in model container [2021-11-23 03:34:17,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:17" (1/1) ... [2021-11-23 03:34:17,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:34:17,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:34:32,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-23 03:34:32,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-23 03:34:32,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-23 03:34:32,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-23 03:34:32,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:34:32,820 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:34:33,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-23 03:34:33,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-23 03:34:33,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-23 03:34:33,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-23 03:34:33,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:34:35,150 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:34:35,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35 WrapperNode [2021-11-23 03:34:35,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:34:35,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:34:35,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:34:35,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:34:35,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:35,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:36,716 INFO L137 Inliner]: procedures = 1123, calls = 12719, calls flagged for inlining = 622, calls inlined = 584, statements flattened = 22616 [2021-11-23 03:34:36,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:34:36,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:34:36,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:34:36,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:34:36,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:36,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:37,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:37,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:38,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:38,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:38,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:38,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:34:38,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:34:38,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:34:38,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:34:38,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (1/1) ... [2021-11-23 03:34:38,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:34:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:34:38,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:34:38,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:34:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-23 03:34:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-23 03:34:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 03:34:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 03:34:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-23 03:34:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-23 03:34:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 03:34:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 03:34:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-23 03:34:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-23 03:34:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:34:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:34:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-23 03:34:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-23 03:34:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:34:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:34:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-23 03:34:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-23 03:34:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:34:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:34:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 03:34:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 03:34:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:34:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:34:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-23 03:34:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-23 03:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-23 03:34:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-23 03:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-23 03:34:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-23 03:34:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 03:34:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 03:34:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:34:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:34:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-23 03:34:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-23 03:34:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-23 03:34:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-23 03:34:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:34:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:34:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-23 03:34:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-23 03:34:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-23 03:34:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-23 03:34:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-23 03:34:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-23 03:34:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2021-11-23 03:34:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2021-11-23 03:34:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:34:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:34:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-23 03:34:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-23 03:34:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-23 03:34:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-23 03:34:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-23 03:34:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-23 03:34:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:34:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:34:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-23 03:34:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-23 03:34:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-23 03:34:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-23 03:34:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-23 03:34:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-23 03:34:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:34:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:34:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:34:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-23 03:34:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-23 03:34:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:34:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:34:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-23 03:34:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-23 03:34:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-23 03:34:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-23 03:34:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:34:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:34:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-23 03:34:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-23 03:34:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-23 03:34:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-23 03:34:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-23 03:34:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-23 03:34:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-23 03:34:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-23 03:34:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-23 03:34:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-23 03:34:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 03:34:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 03:34:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-23 03:34:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-23 03:34:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:34:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:34:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:34:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:34:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:34:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-23 03:34:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-23 03:34:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 03:34:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 03:34:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-23 03:34:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-23 03:34:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 03:34:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 03:34:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 03:34:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 03:34:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-23 03:34:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-23 03:34:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-23 03:34:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-23 03:34:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-23 03:34:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-23 03:34:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:34:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:34:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:34:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:34:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:34:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-23 03:34:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-23 03:34:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:34:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-23 03:34:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-23 03:34:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:34:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 03:34:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 03:34:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 03:34:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 03:34:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-23 03:34:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-23 03:34:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-23 03:34:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-23 03:34:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:34:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:34:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-23 03:34:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-23 03:34:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:34:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:34:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-23 03:34:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-23 03:34:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-23 03:34:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-23 03:34:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:34:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:34:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-23 03:34:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-23 03:34:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-23 03:34:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-23 03:34:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:34:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:34:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-23 03:34:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-23 03:34:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-23 03:34:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-23 03:34:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-23 03:34:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-23 03:34:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-23 03:34:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-23 03:34:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:34:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:34:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-23 03:34:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-23 03:34:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-23 03:34:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-23 03:34:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-23 03:34:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-23 03:34:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-23 03:34:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-23 03:34:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-23 03:34:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-23 03:34:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-23 03:34:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-23 03:34:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:34:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:34:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-23 03:34:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-23 03:34:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:34:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:34:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-23 03:34:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-23 03:34:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-23 03:34:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-23 03:34:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-23 03:34:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-23 03:34:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-23 03:34:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-23 03:34:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:34:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:34:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:34:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-23 03:34:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-23 03:34:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-23 03:34:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-23 03:34:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:34:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:34:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:34:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-23 03:34:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-23 03:34:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 03:34:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 03:34:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-23 03:34:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-23 03:34:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-23 03:34:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-23 03:34:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-23 03:34:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-23 03:34:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-23 03:34:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-23 03:34:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 03:34:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 03:34:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 03:34:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 03:34:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-23 03:34:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-23 03:34:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:34:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:34:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-23 03:34:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-23 03:34:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 03:34:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 03:34:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-23 03:34:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-23 03:34:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-23 03:34:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-23 03:34:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 03:34:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 03:34:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-23 03:34:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-23 03:34:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:34:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-23 03:34:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-23 03:34:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-23 03:34:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-23 03:34:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:34:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:34:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:34:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 03:34:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 03:34:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-23 03:34:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-23 03:34:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-23 03:34:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-23 03:34:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-23 03:34:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-23 03:34:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-23 03:34:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-23 03:34:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-23 03:34:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-23 03:34:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-23 03:34:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-23 03:34:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:34:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:34:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-23 03:34:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-23 03:34:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:34:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:34:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:34:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:34:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-23 03:34:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-23 03:34:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_62 [2021-11-23 03:34:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_62 [2021-11-23 03:34:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-23 03:34:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-23 03:34:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-23 03:34:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-23 03:34:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-23 03:34:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-23 03:34:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-23 03:34:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-23 03:34:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 03:34:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 03:34:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 03:34:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 03:34:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-23 03:34:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-23 03:34:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:34:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:34:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-23 03:34:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-23 03:34:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-23 03:34:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-23 03:34:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:34:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-23 03:34:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-23 03:34:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-23 03:34:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-23 03:34:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:34:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:34:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-11-23 03:34:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-11-23 03:34:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-23 03:34:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-23 03:34:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2021-11-23 03:34:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2021-11-23 03:34:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-23 03:34:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-23 03:34:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-23 03:34:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-23 03:34:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-23 03:34:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-23 03:34:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 03:34:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 03:34:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 03:34:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 03:34:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-23 03:34:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-23 03:34:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-23 03:34:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-23 03:34:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-23 03:34:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-23 03:34:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-23 03:34:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-23 03:34:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 03:34:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 03:34:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-23 03:34:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-23 03:34:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-23 03:34:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-23 03:34:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-23 03:34:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-23 03:34:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-23 03:34:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-23 03:34:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-23 03:34:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-23 03:34:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-23 03:34:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-23 03:34:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-23 03:34:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-23 03:34:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 03:34:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 03:34:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:34:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:34:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-23 03:34:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-23 03:34:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-23 03:34:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-23 03:34:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2021-11-23 03:34:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2021-11-23 03:34:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-23 03:34:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-23 03:34:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:34:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:34:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-23 03:34:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-23 03:34:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-23 03:34:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-23 03:34:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 03:34:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 03:34:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-23 03:34:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-23 03:34:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-11-23 03:34:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-11-23 03:34:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-23 03:34:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-23 03:34:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-23 03:34:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-23 03:34:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:34:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:34:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-23 03:34:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-23 03:34:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-23 03:34:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-23 03:34:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 03:34:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 03:34:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:34:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:34:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 03:34:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 03:34:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:34:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:34:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-23 03:34:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-23 03:34:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-23 03:34:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-23 03:34:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:34:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-23 03:34:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-23 03:34:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-23 03:34:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-23 03:34:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-23 03:34:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-23 03:34:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-23 03:34:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-23 03:34:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 03:34:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 03:34:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-23 03:34:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-23 03:34:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-23 03:34:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-23 03:34:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:34:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:34:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-23 03:34:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-23 03:34:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-23 03:34:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-23 03:34:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:34:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 03:34:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 03:34:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-23 03:34:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-23 03:34:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-23 03:34:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-23 03:34:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-23 03:34:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-23 03:34:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 03:34:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 03:34:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-23 03:34:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-23 03:34:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-23 03:34:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-23 03:34:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:34:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:34:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:34:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-23 03:34:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-23 03:34:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:34:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:34:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-23 03:34:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-23 03:34:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:34:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:34:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 03:34:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 03:34:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-23 03:34:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-23 03:34:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 03:34:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 03:34:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-23 03:34:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-23 03:34:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-23 03:34:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-23 03:34:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-23 03:34:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-23 03:34:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-23 03:34:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-23 03:34:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-23 03:34:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-23 03:34:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-23 03:34:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-23 03:34:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-23 03:34:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-23 03:34:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-23 03:34:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-23 03:34:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-23 03:34:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-23 03:34:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-23 03:34:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-23 03:34:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:34:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:34:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-23 03:34:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-23 03:34:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-23 03:34:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-23 03:34:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-23 03:34:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-23 03:34:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 03:34:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 03:34:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-23 03:34:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-23 03:34:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-23 03:34:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-23 03:34:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-23 03:34:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-23 03:34:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-23 03:34:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-23 03:34:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-23 03:34:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-23 03:34:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-23 03:34:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-23 03:34:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:34:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:34:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-23 03:34:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-23 03:34:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-23 03:34:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-23 03:34:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:34:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:34:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-23 03:34:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-23 03:34:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-23 03:34:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-23 03:34:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-23 03:34:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-23 03:34:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-23 03:34:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-23 03:34:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-23 03:34:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-23 03:34:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-23 03:34:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-23 03:34:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-23 03:34:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-23 03:34:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-23 03:34:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-23 03:34:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 03:34:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 03:34:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 03:34:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 03:34:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-23 03:34:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-23 03:34:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 03:34:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 03:34:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 03:34:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 03:34:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-23 03:34:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-23 03:34:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-23 03:34:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-23 03:34:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-23 03:34:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-23 03:34:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-23 03:34:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-23 03:34:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:34:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:34:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:34:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:34:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:34:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-23 03:34:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-23 03:34:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 03:34:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 03:34:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-23 03:34:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-23 03:34:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 03:34:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 03:34:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-23 03:34:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-23 03:34:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-23 03:34:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-23 03:34:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-23 03:34:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-23 03:34:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-23 03:34:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-23 03:34:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 03:34:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 03:34:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-23 03:34:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-23 03:34:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-23 03:34:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-23 03:34:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-23 03:34:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-23 03:34:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-23 03:34:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-23 03:34:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-23 03:34:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-23 03:34:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 03:34:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 03:34:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-23 03:34:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-23 03:34:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:34:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:34:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-23 03:34:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-23 03:34:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-23 03:34:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-23 03:34:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:34:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:34:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-23 03:34:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-23 03:34:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:34:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-23 03:34:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-23 03:34:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 03:34:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 03:34:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-23 03:34:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-23 03:34:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 03:34:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 03:34:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 03:34:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 03:34:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:34:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:34:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-23 03:34:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-23 03:34:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 03:34:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 03:34:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-23 03:34:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-23 03:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-23 03:34:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-23 03:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 03:34:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 03:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:34:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-23 03:34:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-23 03:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-23 03:34:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-23 03:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-23 03:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-23 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-23 03:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-23 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-23 03:34:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-23 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 03:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 03:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-23 03:34:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-23 03:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 03:34:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 03:34:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-23 03:34:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-23 03:34:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-23 03:34:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-23 03:34:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-23 03:34:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-23 03:34:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-23 03:34:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-23 03:34:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-23 03:34:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-23 03:34:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 03:34:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 03:34:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-23 03:34:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-23 03:34:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 03:34:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 03:34:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_63 [2021-11-23 03:34:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_63 [2021-11-23 03:34:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-23 03:34:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-23 03:34:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-23 03:34:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-23 03:34:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:34:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:34:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-23 03:34:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-23 03:34:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-23 03:34:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-23 03:34:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:34:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:34:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 03:34:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 03:34:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-23 03:34:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-23 03:34:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-23 03:34:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-23 03:34:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:34:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:34:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-23 03:34:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-23 03:34:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:34:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:34:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:34:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:34:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-23 03:34:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-23 03:34:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 03:34:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 03:34:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-23 03:34:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-23 03:34:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-23 03:34:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-23 03:34:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-23 03:34:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-23 03:34:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:34:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:34:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:34:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-23 03:34:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-23 03:34:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-23 03:34:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-23 03:34:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-23 03:34:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-23 03:34:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:34:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:34:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 03:34:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 03:34:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-23 03:34:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-23 03:34:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-23 03:34:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-23 03:34:41,855 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:34:41,865 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:34:42,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:35:21,508 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:35:22,013 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:35:29,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:35:29,779 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 03:35:29,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:29 BoogieIcfgContainer [2021-11-23 03:35:29,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:35:29,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:35:29,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:35:29,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:35:29,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:34:17" (1/3) ... [2021-11-23 03:35:29,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d179aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:35:29, skipping insertion in model container [2021-11-23 03:35:29,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:35" (2/3) ... [2021-11-23 03:35:29,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d179aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:35:29, skipping insertion in model container [2021-11-23 03:35:29,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:29" (3/3) ... [2021-11-23 03:35:29,798 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-23 03:35:29,803 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:35:29,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 03:35:29,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:35:29,901 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 [2021-11-23 03:35:29,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 03:35:30,038 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) [2021-11-23 03:35:30,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2021-11-23 03:35:30,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:30,110 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] [2021-11-23 03:35:30,111 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)] === [2021-11-23 03:35:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:30,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1839081219, now seen corresponding path program 1 times [2021-11-23 03:35:30,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:30,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509830937] [2021-11-23 03:35:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:30,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-23 03:35:33,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:35:33,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509830937] [2021-11-23 03:35:33,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509830937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:35:33,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:35:33,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:35:33,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341251306] [2021-11-23 03:35:33,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:35:33,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:35:33,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:35:33,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:35:33,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:35:33,251 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) [2021-11-23 03:35:38,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:43,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:47,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:53,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:35:53,963 INFO L93 Difference]: Finished difference Result 14923 states and 22262 transitions. [2021-11-23 03:35:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:35:53,966 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 [2021-11-23 03:35:53,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:35:54,121 INFO L225 Difference]: With dead ends: 14923 [2021-11-23 03:35:54,121 INFO L226 Difference]: Without dead ends: 9946 [2021-11-23 03:35:54,189 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 [2021-11-23 03:35:54,193 INFO L933 BasicCegarLoop]: 7979 mSDtfsCounter, 7102 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7106 SdHoareTripleChecker+Valid, 14276 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:35:54,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7106 Valid, 14276 Invalid, 2334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2315 Invalid, 2 Unknown, 0 Unchecked, 19.6s Time] [2021-11-23 03:35:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9946 states. [2021-11-23 03:35:55,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9946 to 9941. [2021-11-23 03:35:55,312 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) [2021-11-23 03:35:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9941 states to 9941 states and 14508 transitions. [2021-11-23 03:35:55,460 INFO L78 Accepts]: Start accepts. Automaton has 9941 states and 14508 transitions. Word has length 820 [2021-11-23 03:35:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:35:55,474 INFO L470 AbstractCegarLoop]: Abstraction has 9941 states and 14508 transitions. [2021-11-23 03:35:55,477 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) [2021-11-23 03:35:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 9941 states and 14508 transitions. [2021-11-23 03:35:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2021-11-23 03:35:55,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:55,721 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] [2021-11-23 03:35:55,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:35:55,722 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)] === [2021-11-23 03:35:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2073447539, now seen corresponding path program 1 times [2021-11-23 03:35:55,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:55,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250809904] [2021-11-23 03:35:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:55,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:56,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:35:56,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678235105] [2021-11-23 03:35:56,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:56,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:35:56,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:35:56,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:36:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:02,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 20576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:36:02,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:36:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-23 03:36:04,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:36:04,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:04,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250809904] [2021-11-23 03:36:04,480 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:36:04,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678235105] [2021-11-23 03:36:04,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678235105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:04,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:04,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:04,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299211756] [2021-11-23 03:36:04,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:04,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:04,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:04,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:04,486 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) [2021-11-23 03:36:09,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:12,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:14,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:24,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:25,188 INFO L93 Difference]: Finished difference Result 29318 states and 42762 transitions. [2021-11-23 03:36:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:25,189 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 [2021-11-23 03:36:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:25,394 INFO L225 Difference]: With dead ends: 29318 [2021-11-23 03:36:25,394 INFO L226 Difference]: Without dead ends: 19538 [2021-11-23 03:36:25,465 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 [2021-11-23 03:36:25,467 INFO L933 BasicCegarLoop]: 7936 mSDtfsCounter, 7112 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 20 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7118 SdHoareTripleChecker+Valid, 14123 SdHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:25,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7118 Valid, 14123 Invalid, 2349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 2325 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2021-11-23 03:36:25,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19538 states. [2021-11-23 03:36:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19495. [2021-11-23 03:36:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19495 states, 11779 states have (on average 1.3221835469904066) internal successors, (15574), 12167 states have internal predecessors, (15574), 6423 states have call successors, (6423), 1294 states have call predecessors, (6423), 1290 states have return successors, (6423), 6179 states have call predecessors, (6423), 6419 states have call successors, (6423) [2021-11-23 03:36:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19495 states to 19495 states and 28420 transitions. [2021-11-23 03:36:27,224 INFO L78 Accepts]: Start accepts. Automaton has 19495 states and 28420 transitions. Word has length 826 [2021-11-23 03:36:27,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:27,227 INFO L470 AbstractCegarLoop]: Abstraction has 19495 states and 28420 transitions. [2021-11-23 03:36:27,228 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) [2021-11-23 03:36:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 19495 states and 28420 transitions. [2021-11-23 03:36:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2021-11-23 03:36:27,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:27,244 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] [2021-11-23 03:36:27,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:36:27,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:27,460 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)] === [2021-11-23 03:36:27,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash -531547493, now seen corresponding path program 1 times [2021-11-23 03:36:27,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:27,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447000253] [2021-11-23 03:36:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:27,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:28,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:36:28,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470833311] [2021-11-23 03:36:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:28,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:28,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:36:28,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:36:28,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:36:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:34,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 20577 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:36:34,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:36:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-23 03:36:35,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:36:35,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:35,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447000253] [2021-11-23 03:36:35,658 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:36:35,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470833311] [2021-11-23 03:36:35,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470833311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:35,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:35,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:35,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773603292] [2021-11-23 03:36:35,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:35,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:35,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:35,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:35,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:35,662 INFO L87 Difference]: Start difference. First operand 19495 states and 28420 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) [2021-11-23 03:36:38,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:40,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:42,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:47,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:55,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:55,657 INFO L93 Difference]: Finished difference Result 57654 states and 84022 transitions. [2021-11-23 03:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:55,658 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 [2021-11-23 03:36:55,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:55,952 INFO L225 Difference]: With dead ends: 57654 [2021-11-23 03:36:55,952 INFO L226 Difference]: Without dead ends: 38320 [2021-11-23 03:36:56,268 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 [2021-11-23 03:36:56,272 INFO L933 BasicCegarLoop]: 8006 mSDtfsCounter, 7094 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 20 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7100 SdHoareTripleChecker+Valid, 14193 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:56,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7100 Valid, 14193 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2350 Invalid, 3 Unknown, 0 Unchecked, 18.8s Time] [2021-11-23 03:36:56,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38320 states. [2021-11-23 03:36:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38320 to 38275. [2021-11-23 03:36:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38275 states, 23213 states have (on average 1.324344117520355) internal successors, (30742), 23991 states have internal predecessors, (30742), 12497 states have call successors, (12497), 2570 states have call predecessors, (12497), 2562 states have return successors, (12509), 12005 states have call predecessors, (12509), 12493 states have call successors, (12509) [2021-11-23 03:36:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38275 states to 38275 states and 55748 transitions. [2021-11-23 03:36:59,448 INFO L78 Accepts]: Start accepts. Automaton has 38275 states and 55748 transitions. Word has length 827 [2021-11-23 03:36:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:59,451 INFO L470 AbstractCegarLoop]: Abstraction has 38275 states and 55748 transitions. [2021-11-23 03:36:59,451 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) [2021-11-23 03:36:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 38275 states and 55748 transitions. [2021-11-23 03:36:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-11-23 03:36:59,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:59,733 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] [2021-11-23 03:36:59,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:36:59,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba5007f-5d18-429e-878f-7ba8d21613cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:59,934 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)] === [2021-11-23 03:36:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash 684363652, now seen corresponding path program 1 times [2021-11-23 03:36:59,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:59,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734731176] [2021-11-23 03:36:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:59,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-23 03:37:01,807 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:01,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734731176] [2021-11-23 03:37:01,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734731176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:01,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:01,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:37:01,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883487164] [2021-11-23 03:37:01,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:01,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:37:01,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:01,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:37:01,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:01,812 INFO L87 Difference]: Start difference. First operand 38275 states and 55748 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) [2021-11-23 03:37:05,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:08,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:10,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:19,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:24,255 INFO L93 Difference]: Finished difference Result 113138 states and 164742 transitions. [2021-11-23 03:37:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:24,256 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 [2021-11-23 03:37:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:24,828 INFO L225 Difference]: With dead ends: 113138 [2021-11-23 03:37:24,828 INFO L226 Difference]: Without dead ends: 75024 [2021-11-23 03:37:25,248 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 [2021-11-23 03:37:25,250 INFO L933 BasicCegarLoop]: 8020 mSDtfsCounter, 6910 mSDsluCounter, 7431 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6916 SdHoareTripleChecker+Valid, 14326 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:25,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6916 Valid, 14326 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2300 Invalid, 2 Unknown, 0 Unchecked, 19.8s Time] [2021-11-23 03:37:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75024 states. [2021-11-23 03:37:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75024 to 74973. [2021-11-23 03:37:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74973 states, 45507 states have (on average 1.3265651438240271) internal successors, (60368), 47071 states have internal predecessors, (60368), 24375 states have call successors, (24375), 5104 states have call predecessors, (24375), 5088 states have return successors, (24419), 23381 states have call predecessors, (24419), 24371 states have call successors, (24419) [2021-11-23 03:37:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74973 states to 74973 states and 109162 transitions. [2021-11-23 03:37:31,431 INFO L78 Accepts]: Start accepts. Automaton has 74973 states and 109162 transitions. Word has length 834 [2021-11-23 03:37:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:31,434 INFO L470 AbstractCegarLoop]: Abstraction has 74973 states and 109162 transitions. [2021-11-23 03:37:31,434 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) [2021-11-23 03:37:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 74973 states and 109162 transitions. [2021-11-23 03:37:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-11-23 03:37:31,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:31,455 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] [2021-11-23 03:37:31,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:37:31,456 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)] === [2021-11-23 03:37:31,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1523743166, now seen corresponding path program 1 times [2021-11-23 03:37:31,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:31,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762397676] [2021-11-23 03:37:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:31,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-23 03:37:33,344 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:33,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762397676] [2021-11-23 03:37:33,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762397676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:33,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:33,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:37:33,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793148467] [2021-11-23 03:37:33,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:33,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:37:33,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:33,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:37:33,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:33,348 INFO L87 Difference]: Start difference. First operand 74973 states and 109162 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) [2021-11-23 03:37:36,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:38,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:40,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:44,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:47,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:57,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:57,010 INFO L93 Difference]: Finished difference Result 224228 states and 330652 transitions. [2021-11-23 03:37:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:57,011 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 [2021-11-23 03:37:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:58,723 INFO L225 Difference]: With dead ends: 224228 [2021-11-23 03:37:58,723 INFO L226 Difference]: Without dead ends: 149416 [2021-11-23 03:37:59,192 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 [2021-11-23 03:37:59,193 INFO L933 BasicCegarLoop]: 8160 mSDtfsCounter, 7304 mSDsluCounter, 7537 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7308 SdHoareTripleChecker+Valid, 14574 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:59,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7308 Valid, 14574 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2277 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2021-11-23 03:37:59,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149416 states. [2021-11-23 03:38:08,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149416 to 149329. [2021-11-23 03:38:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149329 states, 90675 states have (on average 1.3268927488282327) internal successors, (120316), 93847 states have internal predecessors, (120316), 48503 states have call successors, (48503), 10196 states have call predecessors, (48503), 10148 states have return successors, (52763), 46453 states have call predecessors, (52763), 48499 states have call successors, (52763) [2021-11-23 03:38:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149329 states to 149329 states and 221582 transitions. [2021-11-23 03:38:09,836 INFO L78 Accepts]: Start accepts. Automaton has 149329 states and 221582 transitions. Word has length 839 [2021-11-23 03:38:09,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:09,837 INFO L470 AbstractCegarLoop]: Abstraction has 149329 states and 221582 transitions. [2021-11-23 03:38:09,837 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) [2021-11-23 03:38:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 149329 states and 221582 transitions. [2021-11-23 03:38:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-11-23 03:38:09,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:09,858 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] [2021-11-23 03:38:09,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:38:09,859 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)] === [2021-11-23 03:38:09,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 472819650, now seen corresponding path program 1 times [2021-11-23 03:38:09,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:09,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597039047] [2021-11-23 03:38:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:09,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-23 03:38:11,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:11,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597039047] [2021-11-23 03:38:11,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597039047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:11,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:11,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:11,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124455977] [2021-11-23 03:38:11,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:11,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:11,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:11,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:11,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:11,809 INFO L87 Difference]: Start difference. First operand 149329 states and 221582 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) [2021-11-23 03:38:15,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:17,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []