./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:48:33,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:48:33,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:48:33,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:48:33,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:48:33,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:48:33,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:48:33,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:48:33,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:48:33,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:48:33,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:48:33,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:48:33,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:48:33,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:48:33,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:48:33,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:48:33,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:48:33,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:48:33,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:48:33,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:48:33,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:48:33,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:48:33,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:48:33,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:48:33,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:48:33,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:48:33,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:48:33,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:48:33,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:48:33,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:48:33,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:48:33,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:48:33,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:48:33,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:48:33,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:48:33,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:48:33,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:48:33,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:48:33,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:48:33,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:48:33,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:48:33,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:48:33,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:48:33,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:48:33,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:48:33,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:48:33,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:48:33,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:48:33,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:48:33,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:48:33,690 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:48:33,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:48:33,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:48:33,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:48:33,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:48:33,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:48:33,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:48:33,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:48:33,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:48:33,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:48:33,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:48:33,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:48:33,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:48:33,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:48:33,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:48:33,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:48:33,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:48:33,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:48:33,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:48:33,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:48:33,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:48:33,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:48:33,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:48:33,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 [2021-12-14 18:48:33,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:48:33,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:48:33,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:48:33,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:48:33,953 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:48:33,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 18:48:34,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3bc067b/23b59efc507e41edaf65933e0b8ba21f/FLAG700aadc97 [2021-12-14 18:48:34,773 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:48:34,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 18:48:34,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3bc067b/23b59efc507e41edaf65933e0b8ba21f/FLAG700aadc97 [2021-12-14 18:48:35,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3bc067b/23b59efc507e41edaf65933e0b8ba21f [2021-12-14 18:48:35,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:48:35,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:48:35,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:48:35,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:48:35,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:48:35,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:35" (1/1) ... [2021-12-14 18:48:35,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651d0967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:35, skipping insertion in model container [2021-12-14 18:48:35,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:35" (1/1) ... [2021-12-14 18:48:35,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:48:35,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:48:40,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2021-12-14 18:48:40,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2021-12-14 18:48:40,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2021-12-14 18:48:40,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2021-12-14 18:48:40,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:48:40,395 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:48:40,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2021-12-14 18:48:40,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2021-12-14 18:48:40,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2021-12-14 18:48:40,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2021-12-14 18:48:40,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:48:41,283 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:48:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41 WrapperNode [2021-12-14 18:48:41,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:48:41,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:48:41,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:48:41,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:48:41,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:41,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:41,726 INFO L137 Inliner]: procedures = 798, calls = 5626, calls flagged for inlining = 404, calls inlined = 343, statements flattened = 11117 [2021-12-14 18:48:41,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:48:41,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:48:41,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:48:41,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:48:41,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:41,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:41,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:41,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:42,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:42,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:42,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:42,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:48:42,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:48:42,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:48:42,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:48:42,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (1/1) ... [2021-12-14 18:48:42,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:48:42,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:48:42,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:48:42,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:48:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:48:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:48:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-14 18:48:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-14 18:48:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-14 18:48:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-14 18:48:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-14 18:48:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-14 18:48:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:48:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:48:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-14 18:48:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-14 18:48:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-14 18:48:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-14 18:48:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:48:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:48:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-14 18:48:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-14 18:48:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:48:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:48:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-14 18:48:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-14 18:48:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:48:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:48:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-14 18:48:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-14 18:48:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-14 18:48:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-14 18:48:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:48:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:48:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:48:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:48:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-14 18:48:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-14 18:48:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:48:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:48:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:48:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:48:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-14 18:48:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-14 18:48:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-14 18:48:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-14 18:48:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:48:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:48:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-14 18:48:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-14 18:48:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:48:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:48:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:48:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:48:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-14 18:48:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-14 18:48:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:48:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-14 18:48:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-14 18:48:42,215 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-14 18:48:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-14 18:48:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 18:48:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 18:48:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:48:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:48:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-14 18:48:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-14 18:48:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:48:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:48:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:48:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:48:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:48:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:48:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-14 18:48:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-14 18:48:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 18:48:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 18:48:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:48:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:48:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:48:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-14 18:48:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-14 18:48:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-14 18:48:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-14 18:48:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:48:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-14 18:48:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-14 18:48:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-14 18:48:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-14 18:48:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-14 18:48:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-14 18:48:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:48:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:48:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:48:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:48:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:48:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:48:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-14 18:48:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-14 18:48:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-14 18:48:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-14 18:48:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-14 18:48:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-14 18:48:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-14 18:48:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-14 18:48:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:48:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:48:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-14 18:48:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-14 18:48:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:48:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:48:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-14 18:48:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-14 18:48:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:48:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:48:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-14 18:48:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-14 18:48:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:48:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:48:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-14 18:48:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-14 18:48:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:48:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:48:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-14 18:48:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-14 18:48:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:48:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:48:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:48:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:48:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:48:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 18:48:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 18:48:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-14 18:48:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-14 18:48:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:48:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:48:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-14 18:48:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-14 18:48:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:48:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-14 18:48:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-14 18:48:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:48:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:48:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-14 18:48:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-14 18:48:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-14 18:48:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-14 18:48:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:48:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:48:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 18:48:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 18:48:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:48:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:48:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-14 18:48:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-14 18:48:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:48:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:48:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 18:48:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 18:48:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:48:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:48:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-14 18:48:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-14 18:48:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:48:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:48:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-14 18:48:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-14 18:48:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-14 18:48:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-14 18:48:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-14 18:48:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-14 18:48:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-14 18:48:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-14 18:48:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:48:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:48:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:48:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:48:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-14 18:48:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-14 18:48:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:48:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:48:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-14 18:48:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-14 18:48:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:48:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:48:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-14 18:48:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-14 18:48:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:48:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:48:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-14 18:48:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-14 18:48:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:48:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:48:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-14 18:48:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-14 18:48:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:48:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:48:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-14 18:48:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-14 18:48:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-14 18:48:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-14 18:48:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:48:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:48:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-14 18:48:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-14 18:48:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:48:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-14 18:48:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-14 18:48:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:48:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:48:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-14 18:48:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-14 18:48:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:48:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:48:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-14 18:48:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-14 18:48:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:48:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:48:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:48:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:48:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-14 18:48:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-14 18:48:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-14 18:48:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-14 18:48:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:48:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:48:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:48:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:48:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:48:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:48:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-14 18:48:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-14 18:48:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:48:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:48:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:48:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:48:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-14 18:48:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-14 18:48:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-14 18:48:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-14 18:48:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-14 18:48:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-14 18:48:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-14 18:48:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-14 18:48:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-14 18:48:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-14 18:48:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:48:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:48:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-14 18:48:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-14 18:48:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:48:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:48:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-14 18:48:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-14 18:48:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:48:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:48:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:48:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:48:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-14 18:48:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-14 18:48:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:48:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:48:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:48:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-14 18:48:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-14 18:48:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:48:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:48:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:48:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:48:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:48:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:48:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-14 18:48:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-14 18:48:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:48:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:48:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:48:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:48:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:48:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:48:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-14 18:48:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-14 18:48:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:48:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:48:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:48:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:48:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:48:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:48:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-14 18:48:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-14 18:48:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-14 18:48:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-14 18:48:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-14 18:48:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-14 18:48:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-14 18:48:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-14 18:48:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-14 18:48:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-14 18:48:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-14 18:48:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-14 18:48:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:48:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:48:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-14 18:48:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-14 18:48:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:48:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:48:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-14 18:48:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-14 18:48:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-14 18:48:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-14 18:48:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:48:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:48:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-14 18:48:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-14 18:48:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-14 18:48:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-14 18:48:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:48:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:48:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-14 18:48:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-14 18:48:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:48:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:48:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:48:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-14 18:48:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-14 18:48:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:48:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:48:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-14 18:48:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-14 18:48:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:48:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:48:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-14 18:48:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-14 18:48:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-14 18:48:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-14 18:48:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 18:48:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 18:48:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-14 18:48:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-14 18:48:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:48:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:48:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:48:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:48:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-14 18:48:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-14 18:48:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-14 18:48:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-14 18:48:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-14 18:48:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-14 18:48:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-14 18:48:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-14 18:48:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-14 18:48:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-14 18:48:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-14 18:48:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-14 18:48:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:48:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:48:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 18:48:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 18:48:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:48:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:48:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:48:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:48:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:48:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:48:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:48:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-14 18:48:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-14 18:48:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:48:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:48:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:48:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:48:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 18:48:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 18:48:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:48:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:48:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:48:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:48:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:48:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:48:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-14 18:48:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-14 18:48:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-14 18:48:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-14 18:48:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:48:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:48:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-14 18:48:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-14 18:48:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-14 18:48:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-14 18:48:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-14 18:48:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-14 18:48:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:48:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:48:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-14 18:48:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-14 18:48:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:48:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:48:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-14 18:48:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-14 18:48:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:48:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:48:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-14 18:48:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-14 18:48:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:48:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:48:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-14 18:48:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-14 18:48:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:48:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:48:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-14 18:48:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-14 18:48:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:48:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:48:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-14 18:48:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-14 18:48:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:48:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:48:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:48:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:48:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-14 18:48:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-14 18:48:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-14 18:48:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-14 18:48:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 18:48:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 18:48:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:48:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:48:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-14 18:48:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-14 18:48:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:48:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-14 18:48:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-14 18:48:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:48:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:48:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:48:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:48:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-14 18:48:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-14 18:48:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:48:43,497 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:48:43,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:48:43,588 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:48:54,584 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:48:54,607 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:48:54,608 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-14 18:48:54,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:54 BoogieIcfgContainer [2021-12-14 18:48:54,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:48:54,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:48:54,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:48:54,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:48:54,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:48:35" (1/3) ... [2021-12-14 18:48:54,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6168e007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:48:54, skipping insertion in model container [2021-12-14 18:48:54,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:41" (2/3) ... [2021-12-14 18:48:54,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6168e007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:48:54, skipping insertion in model container [2021-12-14 18:48:54,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:54" (3/3) ... [2021-12-14 18:48:54,619 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 18:48:54,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:48:54,625 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:48:54,688 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:48:54,702 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=PETRI_NET, 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 [2021-12-14 18:48:54,703 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:48:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 3880 states, 2516 states have (on average 1.273449920508744) internal successors, (3204), 2622 states have internal predecessors, (3204), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-14 18:48:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-14 18:48:54,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:48:54,784 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:48:54,785 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)] === [2021-12-14 18:48:54,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:48:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2091117277, now seen corresponding path program 1 times [2021-12-14 18:48:54,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:48:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305295441] [2021-12-14 18:48:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:48:54,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:48:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:48:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:48:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:48:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-14 18:48:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:48:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:48:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 18:48:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:48:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:48:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-14 18:48:55,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:48:55,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305295441] [2021-12-14 18:48:55,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305295441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:48:55,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:48:55,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:48:55,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816831946] [2021-12-14 18:48:55,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:48:55,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:48:55,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:48:55,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:48:55,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:48:55,632 INFO L87 Difference]: Start difference. First operand has 3880 states, 2516 states have (on average 1.273449920508744) internal successors, (3204), 2622 states have internal predecessors, (3204), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 18:49:05,499 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 [] [2021-12-14 18:49:07,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:49:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:49:08,072 INFO L93 Difference]: Finished difference Result 7981 states and 11548 transitions. [2021-12-14 18:49:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:49:08,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2021-12-14 18:49:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:49:08,112 INFO L225 Difference]: With dead ends: 7981 [2021-12-14 18:49:08,112 INFO L226 Difference]: Without dead ends: 4172 [2021-12-14 18:49:08,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:49:08,140 INFO L933 BasicCegarLoop]: 4958 mSDtfsCounter, 5569 mSDsluCounter, 9837 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 2914 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6157 SdHoareTripleChecker+Valid, 14795 SdHoareTripleChecker+Invalid, 7464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:49:08,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6157 Valid, 14795 Invalid, 7464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 4548 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2021-12-14 18:49:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2021-12-14 18:49:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 3850. [2021-12-14 18:49:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3850 states, 2484 states have (on average 1.2536231884057971) internal successors, (3114), 2587 states have internal predecessors, (3114), 1149 states have call successors, (1149), 215 states have call predecessors, (1149), 214 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-14 18:49:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 5409 transitions. [2021-12-14 18:49:08,429 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 5409 transitions. Word has length 62 [2021-12-14 18:49:08,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:49:08,430 INFO L470 AbstractCegarLoop]: Abstraction has 3850 states and 5409 transitions. [2021-12-14 18:49:08,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 18:49:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 5409 transitions. [2021-12-14 18:49:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-14 18:49:08,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:49:08,434 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:49:08,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:49:08,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-12-14 18:49:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:49:08,435 INFO L85 PathProgramCache]: Analyzing trace with hash 828887405, now seen corresponding path program 1 times [2021-12-14 18:49:08,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:49:08,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444251776] [2021-12-14 18:49:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:49:08,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:49:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:49:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:49:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:49:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-14 18:49:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:49:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:49:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 18:49:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:49:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:49:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-14 18:49:08,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:49:08,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444251776] [2021-12-14 18:49:08,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444251776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:49:08,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:49:08,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:49:08,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696449761] [2021-12-14 18:49:08,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:49:08,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:49:08,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:49:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:49:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:49:08,854 INFO L87 Difference]: Start difference. First operand 3850 states and 5409 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 18:49:18,387 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 [] [2021-12-14 18:49:20,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:49:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:49:20,936 INFO L93 Difference]: Finished difference Result 4176 states and 5943 transitions. [2021-12-14 18:49:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:49:20,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2021-12-14 18:49:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:49:20,968 INFO L225 Difference]: With dead ends: 4176 [2021-12-14 18:49:20,968 INFO L226 Difference]: Without dead ends: 4174 [2021-12-14 18:49:20,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:49:20,972 INFO L933 BasicCegarLoop]: 4921 mSDtfsCounter, 5535 mSDsluCounter, 9782 mSDsCounter, 0 mSdLazyCounter, 4448 mSolverCounterSat, 2887 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6142 SdHoareTripleChecker+Valid, 14703 SdHoareTripleChecker+Invalid, 7337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2887 IncrementalHoareTripleChecker+Valid, 4448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:49:20,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6142 Valid, 14703 Invalid, 7337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2887 Valid, 4448 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2021-12-14 18:49:20,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2021-12-14 18:49:21,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3854. [2021-12-14 18:49:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2487 states have (on average 1.253317249698432) internal successors, (3117), 2590 states have internal predecessors, (3117), 1149 states have call successors, (1149), 216 states have call predecessors, (1149), 215 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-14 18:49:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5412 transitions. [2021-12-14 18:49:21,138 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5412 transitions. Word has length 67 [2021-12-14 18:49:21,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:49:21,139 INFO L470 AbstractCegarLoop]: Abstraction has 3854 states and 5412 transitions. [2021-12-14 18:49:21,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 18:49:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5412 transitions. [2021-12-14 18:49:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-14 18:49:21,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:49:21,141 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:49:21,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:49:21,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-12-14 18:49:21,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:49:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash -541766877, now seen corresponding path program 1 times [2021-12-14 18:49:21,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:49:21,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856063206] [2021-12-14 18:49:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:49:21,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:49:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:49:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:49:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:49:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-14 18:49:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:49:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:49:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 18:49:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:49:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:49:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 18:49:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:49:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-14 18:49:21,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:49:21,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856063206] [2021-12-14 18:49:21,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856063206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:49:21,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:49:21,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:49:21,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132998017] [2021-12-14 18:49:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:49:21,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:49:21,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:49:21,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:49:21,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:49:21,564 INFO L87 Difference]: Start difference. First operand 3854 states and 5412 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)