./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:45,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:45,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:45,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:45,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:45,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:45,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:45,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:45,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:45,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:45,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:45,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:45,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:45,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:45,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:45,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:45,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:45,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:45,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:45,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:45,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:45,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:45,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:45,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:45,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:45,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:45,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:45,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:45,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:45,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:45,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:45,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:45,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:45,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:45,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:45,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:45,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:45,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:45,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:45,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:45,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:45,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:13:45,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:45,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:45,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:45,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:45,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:45,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:45,504 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:45,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:45,505 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:45,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:13:45,505 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:45,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:45,505 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:13:45,506 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:13:45,506 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:45,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:13:45,506 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:13:45,506 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:13:45,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:45,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:45,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:13:45,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:45,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:45,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:45,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:45,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:45,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:45,510 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 [2021-11-20 23:13:45,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:45,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:45,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:45,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:45,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:45,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:13:45,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/data/62d02cd25/21d3811ff49849f5a6efd2d131edb886/FLAGd6608d632 [2021-11-20 23:13:47,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:47,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:13:47,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/data/62d02cd25/21d3811ff49849f5a6efd2d131edb886/FLAGd6608d632 [2021-11-20 23:13:47,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/data/62d02cd25/21d3811ff49849f5a6efd2d131edb886 [2021-11-20 23:13:47,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:47,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:47,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:47,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:47,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:47,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:47" (1/1) ... [2021-11-20 23:13:47,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd1c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:47, skipping insertion in model container [2021-11-20 23:13:47,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:47" (1/1) ... [2021-11-20 23:13:47,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:47,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:53,216 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-20 23:13:53,229 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-20 23:13:53,230 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-20 23:13:53,230 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-20 23:13:53,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:53,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:13:54,205 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-20 23:13:54,205 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-20 23:13:54,206 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-20 23:13:54,206 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_5c416fd8-a3d4-473d-b822-cdf67e8551bc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-20 23:13:54,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:54,605 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:13:54,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54 WrapperNode [2021-11-20 23:13:54,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:54,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:54,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:13:54,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:13:54,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:54,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,205 INFO L137 Inliner]: procedures = 667, calls = 4931, calls flagged for inlining = 350, calls inlined = 343, statements flattened = 12869 [2021-11-20 23:13:55,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:55,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:13:55,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:13:55,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:13:55,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:13:55,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:13:55,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:13:55,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:13:55,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (1/1) ... [2021-11-20 23:13:55,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:55,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:55,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:13:55,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c416fd8-a3d4-473d-b822-cdf67e8551bc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:13:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-20 23:13:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-20 23:13:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-20 23:13:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-20 23:13:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-20 23:13:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-20 23:13:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-20 23:13:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-20 23:13:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 23:13:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 23:13:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:13:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:13:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:13:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:13:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-20 23:13:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-20 23:13:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-20 23:13:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-20 23:13:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-20 23:13:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-20 23:13:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-20 23:13:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-20 23:13:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:13:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:13:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-20 23:13:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-20 23:13:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 23:13:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 23:13:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-20 23:13:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-20 23:13:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-20 23:13:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-20 23:13:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-20 23:13:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-20 23:13:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-20 23:13:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-20 23:13:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-20 23:13:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-20 23:13:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-20 23:13:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-20 23:13:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-20 23:13:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-20 23:13:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 23:13:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 23:13:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-20 23:13:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-20 23:13:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-20 23:13:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-20 23:13:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:13:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:13:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:13:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:13:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-20 23:13:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-20 23:13:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 23:13:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 23:13:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-20 23:13:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-20 23:13:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:13:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:13:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-20 23:13:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-20 23:13:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-20 23:13:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-20 23:13:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:13:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-20 23:13:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-20 23:13:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-20 23:13:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-20 23:13:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:13:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:13:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:13:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:13:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 23:13:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 23:13:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 23:13:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 23:13:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 23:13:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 23:13:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:13:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:13:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:13:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:13:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:13:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:13:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:13:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:13:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-20 23:13:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-20 23:13:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 23:13:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 23:13:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:13:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-20 23:13:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-20 23:13:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-20 23:13:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-20 23:13:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-20 23:13:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-20 23:13:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-20 23:13:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-20 23:13:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-20 23:13:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-20 23:13:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:13:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:13:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 23:13:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 23:13:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-20 23:13:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-20 23:13:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-20 23:13:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-20 23:13:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 23:13:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 23:13:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 23:13:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 23:13:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-20 23:13:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-20 23:13:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-20 23:13:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-20 23:13:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-20 23:13:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-20 23:13:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-20 23:13:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-20 23:13:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-20 23:13:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-20 23:13:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:13:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 23:13:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 23:13:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-20 23:13:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-20 23:13:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:13:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:13:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:13:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:13:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:13:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-20 23:13:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-20 23:13:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:13:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:13:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:13:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:13:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:13:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-20 23:13:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-20 23:13:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:13:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:13:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:13:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:13:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 23:13:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 23:13:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:13:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:13:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-20 23:13:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-20 23:13:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:13:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:13:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 23:13:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 23:13:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:13:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:13:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:13:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:13:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-20 23:13:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-20 23:13:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 23:13:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 23:13:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-20 23:13:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-20 23:13:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-20 23:13:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-20 23:13:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:13:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:13:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:13:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:13:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:13:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-20 23:13:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-20 23:13:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:13:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:13:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-20 23:13:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-20 23:13:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:13:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:13:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:13:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-20 23:13:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-20 23:13:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:13:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:13:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:13:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:13:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:13:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-20 23:13:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-20 23:13:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:13:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:13:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:13:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 23:13:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 23:13:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-20 23:13:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-20 23:13:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-20 23:13:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-20 23:13:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-20 23:13:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-20 23:13:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-20 23:13:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-20 23:13:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:13:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:13:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-20 23:13:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-20 23:13:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-20 23:13:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-20 23:13:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-20 23:13:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-20 23:13:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:13:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:13:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 23:13:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 23:13:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 23:13:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 23:13:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:13:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:13:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:13:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:13:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 23:13:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 23:13:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-20 23:13:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-20 23:13:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 23:13:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 23:13:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-20 23:13:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-20 23:13:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:13:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:13:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-20 23:13:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-20 23:13:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 23:13:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 23:13:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-20 23:13:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-20 23:13:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-20 23:13:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-20 23:13:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:13:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:13:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-20 23:13:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-20 23:13:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-20 23:13:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-20 23:13:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 23:13:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 23:13:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-20 23:13:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-20 23:13:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-20 23:13:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-20 23:13:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:13:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:13:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-20 23:13:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-20 23:13:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:13:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:13:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:13:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:13:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-20 23:13:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-20 23:13:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:13:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:13:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 23:13:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 23:13:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-20 23:13:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-20 23:13:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-20 23:13:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-20 23:13:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 23:13:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 23:13:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:13:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:13:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:13:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:13:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:13:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 23:13:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 23:13:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:13:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:13:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:13:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:13:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:13:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:13:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-20 23:13:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-20 23:13:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 23:13:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 23:13:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:13:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:13:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:13:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:13:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:13:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:13:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-20 23:13:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-20 23:13:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 23:13:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 23:13:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 23:13:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 23:13:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-20 23:13:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-20 23:13:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-20 23:13:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-20 23:13:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 23:13:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 23:13:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:13:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:13:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:13:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-20 23:13:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-20 23:13:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-20 23:13:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-20 23:13:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:13:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:13:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:13:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-20 23:13:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-20 23:13:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-20 23:13:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-20 23:13:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-20 23:13:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-20 23:13:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-20 23:13:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-20 23:13:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:13:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-20 23:13:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-20 23:13:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:13:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:13:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-20 23:13:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-20 23:13:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-20 23:13:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-20 23:13:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:13:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:13:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 23:13:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 23:13:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-20 23:13:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-20 23:13:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-20 23:13:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-20 23:13:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:13:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:13:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 23:13:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 23:13:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:13:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:13:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:13:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:13:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-20 23:13:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-20 23:13:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-20 23:13:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-20 23:13:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 23:13:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 23:13:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-20 23:13:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-20 23:13:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:13:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:13:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-20 23:13:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-20 23:13:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-20 23:13:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-20 23:13:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:13:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:13:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:13:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:13:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-20 23:13:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-20 23:13:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-20 23:13:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-20 23:13:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-20 23:13:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-20 23:13:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-20 23:13:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-20 23:13:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-20 23:13:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-20 23:13:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-20 23:13:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-20 23:13:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-20 23:13:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-20 23:13:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 23:13:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 23:13:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:13:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:13:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-20 23:13:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-20 23:13:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-20 23:13:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-20 23:13:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-20 23:13:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-20 23:13:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:13:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:13:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 23:13:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 23:13:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:13:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:13:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:13:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-20 23:13:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-20 23:13:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-20 23:13:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-20 23:13:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-20 23:13:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-20 23:13:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-20 23:13:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-20 23:13:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:13:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:13:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-20 23:13:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-20 23:13:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-20 23:13:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-20 23:13:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-20 23:13:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-20 23:13:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:13:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:13:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-20 23:13:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-20 23:13:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-20 23:13:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-20 23:13:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 23:13:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 23:13:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-20 23:13:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-20 23:13:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 23:13:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 23:13:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-20 23:13:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-20 23:13:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-20 23:13:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-20 23:13:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-20 23:13:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-20 23:13:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-20 23:13:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-20 23:13:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-20 23:13:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-20 23:13:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 23:13:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 23:13:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-20 23:13:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-20 23:13:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 23:13:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 23:13:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 23:13:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 23:13:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-20 23:13:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-20 23:13:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-20 23:13:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-20 23:13:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:13:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:13:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 23:13:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 23:13:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:13:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 23:13:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-20 23:13:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-20 23:13:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:13:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:13:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 23:13:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 23:13:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:13:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-20 23:13:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-20 23:13:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:13:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:13:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:13:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-20 23:13:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-20 23:13:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-20 23:13:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-20 23:13:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:13:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:13:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-20 23:13:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-20 23:13:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-20 23:13:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-20 23:13:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-20 23:13:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-20 23:13:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-20 23:13:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-20 23:13:57,669 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:13:57,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:13:58,077 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:26:22,127 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:26:22,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:26:28,588 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:26:28,588 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 23:26:28,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:28 BoogieIcfgContainer [2021-11-20 23:26:28,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:26:28,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:26:28,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:26:28,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:26:28,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:47" (1/3) ... [2021-11-20 23:26:28,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416c6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:28, skipping insertion in model container [2021-11-20 23:26:28,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:54" (2/3) ... [2021-11-20 23:26:28,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416c6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:28, skipping insertion in model container [2021-11-20 23:26:28,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:28" (3/3) ... [2021-11-20 23:26:28,604 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:26:28,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:26:28,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:26:28,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:26:28,698 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 [2021-11-20 23:26:28,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:26:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) [2021-11-20 23:26:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 23:26:28,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:26:28,824 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:26:28,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:26:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:26:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1360575847, now seen corresponding path program 1 times [2021-11-20 23:26:28,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:26:28,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501864616] [2021-11-20 23:26:28,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:26:28,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:26:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:26:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-20 23:26:30,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:26:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501864616] [2021-11-20 23:26:30,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501864616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:26:30,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:26:30,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:26:30,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596326604] [2021-11-20 23:26:30,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:26:30,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:26:30,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:26:30,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:26:30,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:26:30,626 INFO L87 Difference]: Start difference. First operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 23:26:32,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:37,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:43,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:45,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:49,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:26:49,257 INFO L93 Difference]: Finished difference Result 9784 states and 13953 transitions. [2021-11-20 23:26:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:26:49,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 167 [2021-11-20 23:26:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:26:49,351 INFO L225 Difference]: With dead ends: 9784 [2021-11-20 23:26:49,352 INFO L226 Difference]: Without dead ends: 6503 [2021-11-20 23:26:49,378 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 [2021-11-20 23:26:49,381 INFO L933 BasicCegarLoop]: 5149 mSDtfsCounter, 4601 mSDsluCounter, 4668 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4605 SdHoareTripleChecker+Valid, 9256 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:26:49,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4605 Valid, 9256 Invalid, 1146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1140 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2021-11-20 23:26:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6503 states. [2021-11-20 23:26:49,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6503 to 6502. [2021-11-20 23:26:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6502 states, 3994 states have (on average 1.2954431647471207) internal successors, (5174), 4082 states have internal predecessors, (5174), 2044 states have call successors, (2044), 464 states have call predecessors, (2044), 463 states have return successors, (2045), 2016 states have call predecessors, (2045), 2041 states have call successors, (2045) [2021-11-20 23:26:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6502 states to 6502 states and 9263 transitions. [2021-11-20 23:26:49,881 INFO L78 Accepts]: Start accepts. Automaton has 6502 states and 9263 transitions. Word has length 167 [2021-11-20 23:26:49,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:26:49,883 INFO L470 AbstractCegarLoop]: Abstraction has 6502 states and 9263 transitions. [2021-11-20 23:26:49,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 23:26:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6502 states and 9263 transitions. [2021-11-20 23:26:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-20 23:26:49,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:26:49,897 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:26:49,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:26:49,898 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:26:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:26:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1406574247, now seen corresponding path program 1 times [2021-11-20 23:26:49,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:26:49,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463622453] [2021-11-20 23:26:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:26:49,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:26:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:26:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-20 23:26:50,945 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:26:50,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463622453] [2021-11-20 23:26:50,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463622453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:26:50,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:26:50,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:26:50,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451778932] [2021-11-20 23:26:50,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:26:50,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:26:50,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:26:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:26:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:26:50,949 INFO L87 Difference]: Start difference. First operand 6502 states and 9263 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:26:53,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:00,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:05,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:07,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:27:12,131 INFO L93 Difference]: Finished difference Result 6635 states and 9422 transitions. [2021-11-20 23:27:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:27:12,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 205 [2021-11-20 23:27:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:27:12,204 INFO L225 Difference]: With dead ends: 6635 [2021-11-20 23:27:12,204 INFO L226 Difference]: Without dead ends: 6633 [2021-11-20 23:27:12,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:27:12,218 INFO L933 BasicCegarLoop]: 4144 mSDtfsCounter, 4612 mSDsluCounter, 9588 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4622 SdHoareTripleChecker+Valid, 12559 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:27:12,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4622 Valid, 12559 Invalid, 1754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1750 Invalid, 3 Unknown, 0 Unchecked, 20.6s Time] [2021-11-20 23:27:12,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6633 states. [2021-11-20 23:27:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6633 to 6632. [2021-11-20 23:27:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 4071 states have (on average 1.2935396708425448) internal successors, (5266), 4161 states have internal predecessors, (5266), 2074 states have call successors, (2074), 486 states have call predecessors, (2074), 486 states have return successors, (2079), 2045 states have call predecessors, (2079), 2071 states have call successors, (2079) [2021-11-20 23:27:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9419 transitions. [2021-11-20 23:27:12,705 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9419 transitions. Word has length 205 [2021-11-20 23:27:12,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:27:12,708 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9419 transitions. [2021-11-20 23:27:12,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:27:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9419 transitions. [2021-11-20 23:27:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-20 23:27:12,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:27:12,724 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:27:12,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:27:12,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:27:12,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:27:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2110711881, now seen corresponding path program 1 times [2021-11-20 23:27:12,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:27:12,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949102164] [2021-11-20 23:27:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:27:12,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:27:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:27:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-20 23:27:14,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:27:14,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949102164] [2021-11-20 23:27:14,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949102164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:27:14,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:27:14,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:27:14,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708432155] [2021-11-20 23:27:14,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:27:14,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:27:14,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:27:14,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:27:14,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:27:14,193 INFO L87 Difference]: Start difference. First operand 6632 states and 9419 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 23:27:16,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:23,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:25,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:26,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:31,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:33,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:35,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:41,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:27:41,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:27:41,609 INFO L93 Difference]: Finished difference Result 6639 states and 9425 transitions. [2021-11-20 23:27:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:27:41,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 210 [2021-11-20 23:27:41,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:27:41,672 INFO L225 Difference]: With dead ends: 6639 [2021-11-20 23:27:41,672 INFO L226 Difference]: Without dead ends: 6635 [2021-11-20 23:27:41,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:27:41,680 INFO L933 BasicCegarLoop]: 4147 mSDtfsCounter, 4618 mSDsluCounter, 9583 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4623 SdHoareTripleChecker+Valid, 12557 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:27:41,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4623 Valid, 12557 Invalid, 1754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1749 Invalid, 4 Unknown, 0 Unchecked, 26.9s Time] [2021-11-20 23:27:41,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2021-11-20 23:27:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 6634. [2021-11-20 23:27:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6634 states, 4073 states have (on average 1.2931500122759636) internal successors, (5267), 4162 states have internal predecessors, (5267), 2074 states have call successors, (2074), 487 states have call predecessors, (2074), 486 states have return successors, (2079), 2045 states have call predecessors, (2079), 2071 states have call successors, (2079) [2021-11-20 23:27:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6634 states to 6634 states and 9420 transitions. [2021-11-20 23:27:42,135 INFO L78 Accepts]: Start accepts. Automaton has 6634 states and 9420 transitions. Word has length 210 [2021-11-20 23:27:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:27:42,137 INFO L470 AbstractCegarLoop]: Abstraction has 6634 states and 9420 transitions. [2021-11-20 23:27:42,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 23:27:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6634 states and 9420 transitions. [2021-11-20 23:27:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-20 23:27:42,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:27:42,152 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:27:42,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:27:42,152 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:27:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:27:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1965714343, now seen corresponding path program 1 times [2021-11-20 23:27:42,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:27:42,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135469753] [2021-11-20 23:27:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:27:42,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms