./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 ff03de63 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-dev-ff03de6 [2021-12-21 17:16:07,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:16:07,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:16:07,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:16:07,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:16:07,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:16:07,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:16:07,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:16:07,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:16:07,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:16:07,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:16:07,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:16:07,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:16:07,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:16:07,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:16:07,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:16:07,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:16:07,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:16:07,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:16:07,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:16:07,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:16:07,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:16:07,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:16:07,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:16:07,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:16:07,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:16:07,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:16:07,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:16:07,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:16:07,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:16:07,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:16:07,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:16:07,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:16:07,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:16:07,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:16:07,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:16:07,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:16:07,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:16:07,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:16:07,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:16:07,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:16:07,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:16:07,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:16:07,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:16:07,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:16:07,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:16:07,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:16:07,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:16:07,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:16:07,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:16:07,401 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:16:07,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:16:07,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:16:07,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:16:07,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:16:07,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:16:07,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:16:07,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:16:07,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:16:07,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:16:07,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:16:07,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:16:07,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:16:07,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:16:07,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:16:07,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:16:07,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:16:07,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:16:07,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:16:07,406 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:16:07,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:16:07,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:16:07,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:16:07,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 [2021-12-21 17:16:07,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:16:07,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:16:07,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:16:07,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:16:07,662 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:16:07,663 INFO L432 ainManager$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 [2021-12-21 17:16:07,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73026ca7/121883d88e1b48fab3c4ae3595a5ffd7/FLAGf0eb3e47c [2021-12-21 17:16:08,548 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:16:08,548 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 [2021-12-21 17:16:08,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73026ca7/121883d88e1b48fab3c4ae3595a5ffd7/FLAGf0eb3e47c [2021-12-21 17:16:08,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73026ca7/121883d88e1b48fab3c4ae3595a5ffd7 [2021-12-21 17:16:08,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:16:08,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:16:08,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:16:08,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:16:08,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:16:08,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:16:08" (1/1) ... [2021-12-21 17:16:08,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb2645d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:08, skipping insertion in model container [2021-12-21 17:16:08,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:16:08" (1/1) ... [2021-12-21 17:16:08,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:16:08,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:16:14,419 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] [2021-12-21 17:16:14,423 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] [2021-12-21 17:16:14,424 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] [2021-12-21 17:16:14,424 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] [2021-12-21 17:16:14,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:16:14,542 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:16:15,193 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] [2021-12-21 17:16:15,194 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] [2021-12-21 17:16:15,194 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] [2021-12-21 17:16:15,195 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] [2021-12-21 17:16:15,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:16:15,623 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:16:15,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15 WrapperNode [2021-12-21 17:16:15,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:16:15,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:16:15,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:16:15,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:16:15,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:15,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,129 INFO L137 Inliner]: procedures = 798, calls = 5626, calls flagged for inlining = 404, calls inlined = 343, statements flattened = 11117 [2021-12-21 17:16:16,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:16:16,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:16:16,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:16:16,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:16:16,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:16:16,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:16:16,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:16:16,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:16:16,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (1/1) ... [2021-12-21 17:16:16,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:16:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:16:16,603 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) [2021-12-21 17:16:16,617 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 [2021-12-21 17:16:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:16:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:16:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-21 17:16:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-21 17:16:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-21 17:16:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-21 17:16:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-21 17:16:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-21 17:16:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:16:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:16:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-21 17:16:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-21 17:16:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-21 17:16:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-21 17:16:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:16:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:16:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-21 17:16:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-21 17:16:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:16:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:16:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-21 17:16:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-21 17:16:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:16:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:16:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-21 17:16:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-21 17:16:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-21 17:16:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-21 17:16:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:16:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:16:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:16:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:16:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-21 17:16:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-21 17:16:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 17:16:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 17:16:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:16:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:16:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-21 17:16:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-21 17:16:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-21 17:16:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-21 17:16:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:16:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:16:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-21 17:16:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-21 17:16:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:16:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:16:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:16:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:16:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-21 17:16:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-21 17:16:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:16:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-21 17:16:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-21 17:16:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-21 17:16:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-21 17:16:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:16:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:16:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:16:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:16:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-21 17:16:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-21 17:16:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-21 17:16:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-21 17:16:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:16:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:16:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:16:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:16:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-21 17:16:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-21 17:16:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 17:16:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 17:16:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:16:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:16:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:16:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-21 17:16:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-21 17:16:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-21 17:16:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-21 17:16:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:16:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-21 17:16:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-21 17:16:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-21 17:16:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-21 17:16:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-21 17:16:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-21 17:16:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:16:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:16:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-21 17:16:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-21 17:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-21 17:16:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-21 17:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-21 17:16:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-21 17:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:16:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:16:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:16:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-21 17:16:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-21 17:16:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:16:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:16:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-21 17:16:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-21 17:16:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:16:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:16:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-21 17:16:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-21 17:16:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:16:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:16:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-21 17:16:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-21 17:16:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 17:16:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 17:16:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-21 17:16:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-21 17:16:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:16:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:16:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:16:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:16:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:16:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-21 17:16:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-21 17:16:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-21 17:16:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-21 17:16:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:16:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:16:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-21 17:16:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-21 17:16:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 17:16:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-21 17:16:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-21 17:16:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:16:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:16:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-21 17:16:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-21 17:16:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-21 17:16:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-21 17:16:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:16:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:16:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-21 17:16:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-21 17:16:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:16:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:16:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-21 17:16:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-21 17:16:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:16:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:16:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-21 17:16:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-21 17:16:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 17:16:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 17:16:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-21 17:16:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-21 17:16:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 17:16:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 17:16:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-21 17:16:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-21 17:16:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-21 17:16:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-21 17:16:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-21 17:16:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-21 17:16:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-21 17:16:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-21 17:16:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:16:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:16:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:16:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:16:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-21 17:16:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-21 17:16:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:16:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:16:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-21 17:16:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-21 17:16:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:16:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:16:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-21 17:16:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-21 17:16:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:16:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:16:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-21 17:16:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-21 17:16:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:16:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:16:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-21 17:16:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-21 17:16:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 17:16:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 17:16:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-21 17:16:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-21 17:16:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-21 17:16:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-21 17:16:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:16:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:16:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-21 17:16:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-21 17:16:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:16:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-21 17:16:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-21 17:16:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:16:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:16:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-21 17:16:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-21 17:16:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:16:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:16:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-21 17:16:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-21 17:16:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:16:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:16:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-21 17:16:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-21 17:16:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-21 17:16:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-21 17:16:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-21 17:16:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-21 17:16:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:16:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:16:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:16:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:16:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-21 17:16:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-21 17:16:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-21 17:16:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-21 17:16:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:16:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:16:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:16:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:16:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-21 17:16:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-21 17:16:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-21 17:16:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-21 17:16:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-21 17:16:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-21 17:16:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-21 17:16:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-21 17:16:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-21 17:16:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-21 17:16:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:16:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:16:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-21 17:16:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-21 17:16:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:16:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:16:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-21 17:16:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-21 17:16:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:16:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:16:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:16:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:16:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-21 17:16:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-21 17:16:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:16:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-21 17:16:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-21 17:16:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-21 17:16:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-21 17:16:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 17:16:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 17:16:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 17:16:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 17:16:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:16:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:16:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-21 17:16:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-21 17:16:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:16:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:16:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:16:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:16:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:16:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:16:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-21 17:16:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-21 17:16:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:16:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:16:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:16:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:16:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:16:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:16:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-21 17:16:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-21 17:16:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-21 17:16:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-21 17:16:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-21 17:16:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-21 17:16:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-21 17:16:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-21 17:16:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-21 17:16:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-21 17:16:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-21 17:16:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-21 17:16:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:16:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:16:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-21 17:16:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-21 17:16:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:16:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:16:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-21 17:16:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-21 17:16:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-21 17:16:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-21 17:16:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:16:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:16:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-21 17:16:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-21 17:16:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-21 17:16:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-21 17:16:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-21 17:16:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-21 17:16:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-21 17:16:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-21 17:16:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:16:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:16:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:16:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-21 17:16:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-21 17:16:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:16:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:16:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-21 17:16:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-21 17:16:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 17:16:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 17:16:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-21 17:16:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-21 17:16:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-21 17:16:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-21 17:16:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-21 17:16:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-21 17:16:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-21 17:16:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-21 17:16:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:16:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:16:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:16:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:16:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-21 17:16:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-21 17:16:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-21 17:16:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-21 17:16:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-21 17:16:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-21 17:16:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-21 17:16:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-21 17:16:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-21 17:16:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-21 17:16:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-21 17:16:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-21 17:16:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 17:16:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 17:16:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-21 17:16:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-21 17:16:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:16:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:16:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 17:16:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 17:16:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:16:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:16:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:16:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-21 17:16:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-21 17:16:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:16:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:16:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 17:16:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 17:16:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-21 17:16:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-21 17:16:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:16:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:16:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 17:16:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 17:16:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:16:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:16:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-21 17:16:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-21 17:16:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-21 17:16:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-21 17:16:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:16:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:16:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-21 17:16:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-21 17:16:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-21 17:16:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-21 17:16:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-21 17:16:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-21 17:16:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:16:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:16:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-21 17:16:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-21 17:16:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 17:16:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 17:16:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-21 17:16:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-21 17:16:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:16:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:16:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 17:16:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 17:16:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:16:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:16:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-21 17:16:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-21 17:16:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:16:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:16:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-21 17:16:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-21 17:16:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 17:16:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 17:16:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-21 17:16:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-21 17:16:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:16:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:16:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 17:16:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 17:16:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-21 17:16:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-21 17:16:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-21 17:16:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-21 17:16:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-21 17:16:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-21 17:16:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:16:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:16:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-21 17:16:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-21 17:16:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:16:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-21 17:16:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-21 17:16:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:16:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:16:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:16:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:16:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-21 17:16:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-21 17:16:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 17:16:17,936 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:16:17,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:16:18,100 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:16:31,024 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:16:31,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:16:31,046 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-21 17:16:31,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:16:31 BoogieIcfgContainer [2021-12-21 17:16:31,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:16:31,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:16:31,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:16:31,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:16:31,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:16:08" (1/3) ... [2021-12-21 17:16:31,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148fe739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:16:31, skipping insertion in model container [2021-12-21 17:16:31,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:16:15" (2/3) ... [2021-12-21 17:16:31,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148fe739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:16:31, skipping insertion in model container [2021-12-21 17:16:31,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:16:31" (3/3) ... [2021-12-21 17:16:31,058 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-21 17:16:31,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:16:31,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:16:31,125 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:16:31,137 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 [2021-12-21 17:16:31,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:16:31,209 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) [2021-12-21 17:16:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-21 17:16:31,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:16:31,215 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] [2021-12-21 17:16:31,216 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)] === [2021-12-21 17:16:31,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:16:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2091117277, now seen corresponding path program 1 times [2021-12-21 17:16:31,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:16:31,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141371235] [2021-12-21 17:16:31,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:16:31,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:16:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:16:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:16:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 17:16:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 17:16:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:16:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 17:16:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-21 17:16:32,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:16:32,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141371235] [2021-12-21 17:16:32,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141371235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:16:32,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:16:32,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:16:32,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323252926] [2021-12-21 17:16:32,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:16:32,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:16:32,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:16:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:16:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:16:32,115 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) [2021-12-21 17:16:41,878 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 [] [2021-12-21 17:16:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:16:43,174 INFO L93 Difference]: Finished difference Result 7981 states and 11548 transitions. [2021-12-21 17:16:43,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 17:16:43,178 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 [2021-12-21 17:16:43,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:16:43,222 INFO L225 Difference]: With dead ends: 7981 [2021-12-21 17:16:43,222 INFO L226 Difference]: Without dead ends: 4172 [2021-12-21 17:16:43,253 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 [2021-12-21 17:16:43,256 INFO L933 BasicCegarLoop]: 4958 mSDtfsCounter, 5569 mSDsluCounter, 9837 mSDsCounter, 0 mSdLazyCounter, 4549 mSolverCounterSat, 2914 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6157 SdHoareTripleChecker+Valid, 14795 SdHoareTripleChecker+Invalid, 7464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 4549 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:16:43,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6157 Valid, 14795 Invalid, 7464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 4549 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2021-12-21 17:16:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2021-12-21 17:16:43,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 3850. [2021-12-21 17:16:43,525 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) [2021-12-21 17:16:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 5409 transitions. [2021-12-21 17:16:43,561 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 5409 transitions. Word has length 62 [2021-12-21 17:16:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:16:43,562 INFO L470 AbstractCegarLoop]: Abstraction has 3850 states and 5409 transitions. [2021-12-21 17:16:43,562 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) [2021-12-21 17:16:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 5409 transitions. [2021-12-21 17:16:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-21 17:16:43,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:16:43,572 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] [2021-12-21 17:16:43,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:16:43,572 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)] === [2021-12-21 17:16:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:16:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 828887405, now seen corresponding path program 1 times [2021-12-21 17:16:43,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:16:43,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575933378] [2021-12-21 17:16:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:16:43,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:16:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:16:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:16:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 17:16:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 17:16:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:16:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 17:16:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:16:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-21 17:16:44,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:16:44,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575933378] [2021-12-21 17:16:44,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575933378] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:16:44,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:16:44,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:16:44,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515198063] [2021-12-21 17:16:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:16:44,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:16:44,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:16:44,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:16:44,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:16:44,081 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) [2021-12-21 17:16:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:16:51,898 INFO L93 Difference]: Finished difference Result 4176 states and 5943 transitions. [2021-12-21 17:16:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:16:51,898 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 [2021-12-21 17:16:51,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:16:51,926 INFO L225 Difference]: With dead ends: 4176 [2021-12-21 17:16:51,927 INFO L226 Difference]: Without dead ends: 4174 [2021-12-21 17:16:51,931 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 [2021-12-21 17:16:51,932 INFO L933 BasicCegarLoop]: 4919 mSDtfsCounter, 5535 mSDsluCounter, 9776 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 2887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6144 SdHoareTripleChecker+Valid, 14695 SdHoareTripleChecker+Invalid, 7337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2887 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:16:51,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6144 Valid, 14695 Invalid, 7337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2887 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-21 17:16:51,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2021-12-21 17:16:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3854. [2021-12-21 17:16:52,094 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) [2021-12-21 17:16:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5412 transitions. [2021-12-21 17:16:52,114 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5412 transitions. Word has length 67 [2021-12-21 17:16:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:16:52,116 INFO L470 AbstractCegarLoop]: Abstraction has 3854 states and 5412 transitions. [2021-12-21 17:16:52,116 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) [2021-12-21 17:16:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5412 transitions. [2021-12-21 17:16:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-21 17:16:52,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:16:52,118 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] [2021-12-21 17:16:52,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:16:52,119 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)] === [2021-12-21 17:16:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:16:52,119 INFO L85 PathProgramCache]: Analyzing trace with hash -541766877, now seen corresponding path program 1 times [2021-12-21 17:16:52,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:16:52,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460150978] [2021-12-21 17:16:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:16:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:16:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:16:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:16:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 17:16:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 17:16:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:16:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 17:16:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 17:16:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:16:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 17:16:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:16:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-21 17:16:52,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:16:52,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460150978] [2021-12-21 17:16:52,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460150978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:16:52,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:16:52,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:16:52,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004637094] [2021-12-21 17:16:52,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:16:52,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:16:52,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:16:52,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:16:52,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:16:52,624 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)