./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:17:19,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:17:19,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:17:19,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:17:19,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:17:19,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:17:19,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:17:19,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:17:19,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:17:19,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:17:19,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:17:19,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:17:19,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:17:19,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:17:19,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:17:19,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:17:19,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:17:19,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:17:19,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:17:19,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:17:19,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:17:19,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:17:19,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:17:19,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:17:19,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:17:19,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:17:19,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:17:19,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:17:19,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:17:19,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:17:19,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:17:19,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:17:19,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:17:19,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:17:19,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:17:19,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:17:19,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:17:19,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:17:19,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:17:19,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:17:19,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:17:19,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:17:19,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:17:19,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:17:19,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:17:19,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:17:19,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:17:19,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:17:19,522 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:17:19,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:17:19,522 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:17:19,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:17:19,524 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:17:19,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:17:19,524 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:17:19,524 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:17:19,524 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:17:19,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:17:19,525 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:17:19,525 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:17:19,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:17:19,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:17:19,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:17:19,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:17:19,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:17:19,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:17:19,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:17:19,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:17:19,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:17:19,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:17:19,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:17:19,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:17:19,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:17:19,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:17:19,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:17:19,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:17:19,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:17:19,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:17:19,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:17:19,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:17:19,531 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b [2021-11-25 20:17:19,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:17:19,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:17:19,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:17:19,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:17:19,841 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:17:19,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:17:19,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/data/d087a635e/b39fac5d130e4d68bffe17603110972e/FLAGe0dd564a4 [2021-11-25 20:17:20,967 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:17:20,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:17:21,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/data/d087a635e/b39fac5d130e4d68bffe17603110972e/FLAGe0dd564a4 [2021-11-25 20:17:21,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/data/d087a635e/b39fac5d130e4d68bffe17603110972e [2021-11-25 20:17:21,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:17:21,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:17:21,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:17:21,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:17:21,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:17:21,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:17:21" (1/1) ... [2021-11-25 20:17:21,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57833bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:21, skipping insertion in model container [2021-11-25 20:17:21,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:17:21" (1/1) ... [2021-11-25 20:17:21,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:17:21,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:17:27,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2021-11-25 20:17:27,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2021-11-25 20:17:27,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2021-11-25 20:17:27,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2021-11-25 20:17:27,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:17:27,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:17:28,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2021-11-25 20:17:28,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2021-11-25 20:17:28,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2021-11-25 20:17:28,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2021-11-25 20:17:28,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:17:29,130 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:17:29,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29 WrapperNode [2021-11-25 20:17:29,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:17:29,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:17:29,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:17:29,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:17:29,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:29,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:29,811 INFO L137 Inliner]: procedures = 730, calls = 6132, calls flagged for inlining = 368, calls inlined = 339, statements flattened = 12892 [2021-11-25 20:17:29,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:17:29,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:17:29,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:17:29,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:17:29,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:29,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:29,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:29,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:30,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:30,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:30,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:30,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:17:30,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:17:30,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:17:30,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:17:30,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (1/1) ... [2021-11-25 20:17:30,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:17:30,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:17:30,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:17:30,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_279ac271-14d9-4db6-9900-0865da609ab6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:17:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-25 20:17:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-25 20:17:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-11-25 20:17:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-11-25 20:17:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-25 20:17:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-25 20:17:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 20:17:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 20:17:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-25 20:17:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-25 20:17:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-25 20:17:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-25 20:17:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-25 20:17:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-25 20:17:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:17:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:17:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:17:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:17:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:17:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:17:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 20:17:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 20:17:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 20:17:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 20:17:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-25 20:17:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-25 20:17:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:17:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:17:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:17:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:17:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-25 20:17:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-25 20:17:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:17:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:17:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-25 20:17:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-25 20:17:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 20:17:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 20:17:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:17:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:17:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 20:17:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 20:17:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:17:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:17:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-25 20:17:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-25 20:17:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-25 20:17:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-25 20:17:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2021-11-25 20:17:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2021-11-25 20:17:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-25 20:17:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-25 20:17:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-25 20:17:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-25 20:17:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 20:17:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 20:17:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:17:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:17:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-25 20:17:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-25 20:17:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-25 20:17:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-25 20:17:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:17:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:17:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:17:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:17:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-25 20:17:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-25 20:17:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:17:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:17:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-25 20:17:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-25 20:17:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:17:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:17:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 20:17:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 20:17:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:17:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:17:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 20:17:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 20:17:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-25 20:17:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-25 20:17:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:17:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 20:17:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 20:17:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-25 20:17:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-25 20:17:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-25 20:17:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-25 20:17:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:17:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:17:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-25 20:17:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-25 20:17:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:17:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:17:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:17:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:17:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:17:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:17:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-25 20:17:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-25 20:17:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:17:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 20:17:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 20:17:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:17:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:17:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:17:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:17:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-25 20:17:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-25 20:17:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:17:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:17:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:17:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:17:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:17:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:17:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:17:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:17:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 20:17:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 20:17:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:17:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:17:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:17:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:17:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:17:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:17:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-25 20:17:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-25 20:17:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-25 20:17:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-25 20:17:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 20:17:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 20:17:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:17:30,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:17:30,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-25 20:17:30,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-25 20:17:30,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-25 20:17:30,681 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-25 20:17:30,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-25 20:17:30,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-25 20:17:30,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 20:17:30,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 20:17:30,682 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-25 20:17:30,682 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-25 20:17:30,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:17:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 20:17:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 20:17:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:17:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:17:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 20:17:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 20:17:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 20:17:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 20:17:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-25 20:17:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-25 20:17:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:17:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:17:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-25 20:17:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-25 20:17:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:17:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 20:17:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 20:17:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-25 20:17:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-25 20:17:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:17:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:17:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:17:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:17:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:17:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:17:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-25 20:17:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-25 20:17:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:17:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:17:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:17:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:17:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2021-11-25 20:17:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2021-11-25 20:17:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 20:17:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 20:17:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:17:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:17:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-25 20:17:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-25 20:17:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 20:17:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 20:17:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-25 20:17:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-25 20:17:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:17:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:17:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-25 20:17:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-25 20:17:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-25 20:17:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-25 20:17:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 20:17:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 20:17:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:17:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:17:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:17:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:17:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 20:17:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 20:17:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:17:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:17:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-25 20:17:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-25 20:17:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-25 20:17:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-25 20:17:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 20:17:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 20:17:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-25 20:17:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-25 20:17:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-25 20:17:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-25 20:17:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2021-11-25 20:17:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2021-11-25 20:17:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:17:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:17:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:17:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:17:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-25 20:17:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-25 20:17:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 20:17:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 20:17:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-25 20:17:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-25 20:17:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:17:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:17:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-25 20:17:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-25 20:17:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:17:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:17:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-25 20:17:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-25 20:17:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:17:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:17:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:17:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:17:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:17:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:17:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-25 20:17:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-25 20:17:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:17:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:17:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:17:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:17:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:17:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:17:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-25 20:17:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-25 20:17:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-25 20:17:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-25 20:17:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-25 20:17:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-25 20:17:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:17:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-25 20:17:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-25 20:17:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-25 20:17:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-25 20:17:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:17:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:17:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:17:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:17:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 20:17:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 20:17:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 20:17:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 20:17:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-25 20:17:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-25 20:17:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 20:17:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 20:17:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-25 20:17:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-25 20:17:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:17:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:17:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 20:17:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 20:17:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-25 20:17:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-25 20:17:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 20:17:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 20:17:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 20:17:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 20:17:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 20:17:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 20:17:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 20:17:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 20:17:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-25 20:17:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-25 20:17:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:17:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:17:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:17:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:17:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-25 20:17:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-25 20:17:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:17:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:17:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 20:17:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 20:17:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 20:17:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 20:17:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:17:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-25 20:17:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-25 20:17:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-25 20:17:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-25 20:17:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:17:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:17:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2021-11-25 20:17:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2021-11-25 20:17:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:17:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-25 20:17:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-25 20:17:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-25 20:17:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-25 20:17:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:17:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-25 20:17:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-25 20:17:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:17:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:17:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 20:17:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 20:17:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 20:17:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 20:17:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-25 20:17:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-25 20:17:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 20:17:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 20:17:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 20:17:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 20:17:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:17:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:17:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:17:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:17:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:17:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:17:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-25 20:17:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-25 20:17:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:17:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:17:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-25 20:17:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-25 20:17:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-25 20:17:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-25 20:17:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-25 20:17:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-25 20:17:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-25 20:17:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-25 20:17:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-25 20:17:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-25 20:17:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-25 20:17:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-25 20:17:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 20:17:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 20:17:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:17:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:17:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:17:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:17:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 20:17:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 20:17:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2021-11-25 20:17:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2021-11-25 20:17:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-25 20:17:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-25 20:17:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-25 20:17:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-25 20:17:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:17:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:17:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-25 20:17:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-25 20:17:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-25 20:17:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-25 20:17:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:17:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:17:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-25 20:17:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-25 20:17:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:17:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-25 20:17:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-25 20:17:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 20:17:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 20:17:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:17:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:17:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2021-11-25 20:17:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2021-11-25 20:17:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-25 20:17:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-25 20:17:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:17:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:17:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-25 20:17:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-25 20:17:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-25 20:17:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-25 20:17:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-25 20:17:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-25 20:17:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-25 20:17:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-25 20:17:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:17:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:17:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:17:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:17:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-11-25 20:17:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-11-25 20:17:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-25 20:17:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-25 20:17:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-25 20:17:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-25 20:17:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-25 20:17:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-25 20:17:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2021-11-25 20:17:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2021-11-25 20:17:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:17:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:17:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-25 20:17:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-25 20:17:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-25 20:17:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-25 20:17:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-25 20:17:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-25 20:17:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-25 20:17:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-25 20:17:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:17:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:17:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:17:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:17:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 20:17:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 20:17:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 20:17:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 20:17:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-25 20:17:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-25 20:17:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-25 20:17:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-25 20:17:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-25 20:17:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-25 20:17:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:17:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:17:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-25 20:17:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-25 20:17:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:17:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:17:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-25 20:17:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-25 20:17:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 20:17:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 20:17:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:17:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:17:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:17:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-25 20:17:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-25 20:17:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-25 20:17:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-25 20:17:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:17:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:17:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-25 20:17:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-25 20:17:32,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:17:32,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:17:33,053 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:29:14,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:29:14,677 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:29:21,397 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:29:21,397 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 20:29:21,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:21 BoogieIcfgContainer [2021-11-25 20:29:21,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:29:21,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:29:21,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:29:21,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:29:21,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:17:21" (1/3) ... [2021-11-25 20:29:21,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0ef210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:21, skipping insertion in model container [2021-11-25 20:29:21,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:29" (2/3) ... [2021-11-25 20:29:21,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0ef210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:21, skipping insertion in model container [2021-11-25 20:29:21,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:21" (3/3) ... [2021-11-25 20:29:21,414 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:29:21,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:29:21,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-25 20:29:21,481 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:29:21,488 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:29:21,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-25 20:29:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 4225 states, 2321 states have (on average 1.2748815165876777) internal successors, (2959), 2441 states have internal predecessors, (2959), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) [2021-11-25 20:29:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 20:29:21,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:21,602 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:29:21,602 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 20:29:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1510186769, now seen corresponding path program 1 times [2021-11-25 20:29:21,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:21,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439674331] [2021-11-25 20:29:21,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:21,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 20:29:24,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:24,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439674331] [2021-11-25 20:29:24,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439674331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:24,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:24,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:29:24,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564722092] [2021-11-25 20:29:24,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:24,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:29:24,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:24,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:29:24,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:29:24,218 INFO L87 Difference]: Start difference. First operand has 4225 states, 2321 states have (on average 1.2748815165876777) internal successors, (2959), 2441 states have internal predecessors, (2959), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:29:26,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:30,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:36,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:39,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:41,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:29:41,572 INFO L93 Difference]: Finished difference Result 12307 states and 18770 transitions. [2021-11-25 20:29:41,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:29:41,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 261 [2021-11-25 20:29:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:29:41,707 INFO L225 Difference]: With dead ends: 12307 [2021-11-25 20:29:41,708 INFO L226 Difference]: Without dead ends: 8114 [2021-11-25 20:29:41,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:29:41,768 INFO L933 BasicCegarLoop]: 7267 mSDtfsCounter, 5846 mSDsluCounter, 6254 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5848 SdHoareTripleChecker+Valid, 12938 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:29:41,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5848 Valid, 12938 Invalid, 1216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1205 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time] [2021-11-25 20:29:41,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2021-11-25 20:29:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8107. [2021-11-25 20:29:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8107 states, 4465 states have (on average 1.269652855543113) internal successors, (5669), 4693 states have internal predecessors, (5669), 3209 states have call successors, (3209), 430 states have call predecessors, (3209), 429 states have return successors, (3207), 3145 states have call predecessors, (3207), 3205 states have call successors, (3207) [2021-11-25 20:29:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 12085 transitions. [2021-11-25 20:29:42,749 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 12085 transitions. Word has length 261 [2021-11-25 20:29:42,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:29:42,755 INFO L470 AbstractCegarLoop]: Abstraction has 8107 states and 12085 transitions. [2021-11-25 20:29:42,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:29:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 12085 transitions. [2021-11-25 20:29:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-25 20:29:42,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:42,774 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:29:42,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:29:42,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 20:29:42,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash 881445644, now seen corresponding path program 1 times [2021-11-25 20:29:42,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:42,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466825406] [2021-11-25 20:29:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:42,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 20:29:44,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:44,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466825406] [2021-11-25 20:29:44,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466825406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:44,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:44,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:29:44,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64614604] [2021-11-25 20:29:44,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:44,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:29:44,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:29:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:29:44,597 INFO L87 Difference]: Start difference. First operand 8107 states and 12085 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 20:29:46,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:51,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:29:58,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:01,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:03,525 INFO L93 Difference]: Finished difference Result 23789 states and 35587 transitions. [2021-11-25 20:30:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:30:03,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 269 [2021-11-25 20:30:03,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:03,699 INFO L225 Difference]: With dead ends: 23789 [2021-11-25 20:30:03,699 INFO L226 Difference]: Without dead ends: 15731 [2021-11-25 20:30:03,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:03,776 INFO L933 BasicCegarLoop]: 7244 mSDtfsCounter, 5859 mSDsluCounter, 6181 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5859 SdHoareTripleChecker+Valid, 12844 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:03,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5859 Valid, 12844 Invalid, 1190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1183 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2021-11-25 20:30:03,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15731 states. [2021-11-25 20:30:05,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15731 to 15701. [2021-11-25 20:30:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15701 states, 8664 states have (on average 1.270775623268698) internal successors, (11010), 9112 states have internal predecessors, (11010), 6188 states have call successors, (6188), 852 states have call predecessors, (6188), 845 states have return successors, (6336), 6048 states have call predecessors, (6336), 6184 states have call successors, (6336) [2021-11-25 20:30:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15701 states to 15701 states and 23534 transitions. [2021-11-25 20:30:05,430 INFO L78 Accepts]: Start accepts. Automaton has 15701 states and 23534 transitions. Word has length 269 [2021-11-25 20:30:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:05,432 INFO L470 AbstractCegarLoop]: Abstraction has 15701 states and 23534 transitions. [2021-11-25 20:30:05,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 20:30:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 15701 states and 23534 transitions. [2021-11-25 20:30:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-25 20:30:05,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:05,442 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:05,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:30:05,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 20:30:05,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1289587202, now seen corresponding path program 1 times [2021-11-25 20:30:05,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:05,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993390049] [2021-11-25 20:30:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:05,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 20:30:07,197 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:07,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993390049] [2021-11-25 20:30:07,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993390049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:07,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:07,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:30:07,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455667616] [2021-11-25 20:30:07,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:07,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:30:07,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:07,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:30:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:07,200 INFO L87 Difference]: Start difference. First operand 15701 states and 23534 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:30:09,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:12,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:17,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:19,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:23,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:23,438 INFO L93 Difference]: Finished difference Result 35167 states and 52391 transitions. [2021-11-25 20:30:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:30:23,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 273 [2021-11-25 20:30:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:23,597 INFO L225 Difference]: With dead ends: 35167 [2021-11-25 20:30:23,597 INFO L226 Difference]: Without dead ends: 19515 [2021-11-25 20:30:23,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:23,782 INFO L933 BasicCegarLoop]: 7216 mSDtfsCounter, 4446 mSDsluCounter, 6113 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4446 SdHoareTripleChecker+Valid, 12782 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:23,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4446 Valid, 12782 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1291 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2021-11-25 20:30:23,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19515 states. [2021-11-25 20:30:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19515 to 19486. [2021-11-25 20:30:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19486 states, 10816 states have (on average 1.2626664201183433) internal successors, (13657), 11387 states have internal predecessors, (13657), 7500 states have call successors, (7500), 1177 states have call predecessors, (7500), 1166 states have return successors, (7716), 7307 states have call predecessors, (7716), 7496 states have call successors, (7716) [2021-11-25 20:30:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19486 states to 19486 states and 28873 transitions. [2021-11-25 20:30:25,161 INFO L78 Accepts]: Start accepts. Automaton has 19486 states and 28873 transitions. Word has length 273 [2021-11-25 20:30:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:25,162 INFO L470 AbstractCegarLoop]: Abstraction has 19486 states and 28873 transitions. [2021-11-25 20:30:25,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:30:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 19486 states and 28873 transitions. [2021-11-25 20:30:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-25 20:30:25,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:25,169 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:25,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:30:25,170 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 20:30:25,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:25,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1408508017, now seen corresponding path program 1 times [2021-11-25 20:30:25,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:25,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673989391] [2021-11-25 20:30:25,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:25,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 20:30:27,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:27,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673989391] [2021-11-25 20:30:27,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673989391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:27,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:27,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:30:27,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575420415] [2021-11-25 20:30:27,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:27,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:30:27,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:27,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:30:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:30:27,040 INFO L87 Difference]: Start difference. First operand 19486 states and 28873 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:30:29,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:40,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:55,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:57,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:30:59,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []