./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-spinlock_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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/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 e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:36,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:36,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:36,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:36,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:36,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:36,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:36,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:36,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:36,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:36,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:36,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:36,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:36,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:36,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:36,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:36,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:36,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:36,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:36,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:36,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:36,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:36,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:36,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:36,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:36,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:36,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:36,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:36,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:36,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:36,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:36,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:36,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:36,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:36,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:36,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:36,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:36,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:36,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:36,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:36,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:36,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:12:36,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:36,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:36,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:36,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:36,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:36,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:36,524 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:36,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:36,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:36,525 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:36,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:36,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:36,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:36,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:36,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:36,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:36,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:12:36,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:36,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:12:36,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:12:36,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:36,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:12:36,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:36,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:36,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:36,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:36,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:36,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:36,531 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 [2021-11-20 23:12:36,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:36,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:36,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:36,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:36,829 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:36,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:12:36,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/data/2a3225b10/4df963b0a6ca4e56a4bd5f28f221b4fa/FLAGf35664e49 [2021-11-20 23:12:38,033 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:38,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:12:38,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/data/2a3225b10/4df963b0a6ca4e56a4bd5f28f221b4fa/FLAGf35664e49 [2021-11-20 23:12:38,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/data/2a3225b10/4df963b0a6ca4e56a4bd5f28f221b4fa [2021-11-20 23:12:38,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:38,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:38,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:38,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:38,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:38,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:38" (1/1) ... [2021-11-20 23:12:38,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea27541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:38, skipping insertion in model container [2021-11-20 23:12:38,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:38" (1/1) ... [2021-11-20 23:12:38,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:38,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:45,415 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-20 23:12:45,418 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-20 23:12:45,419 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-20 23:12:45,424 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-20 23:12:45,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:45,608 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:12:46,411 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-20 23:12:46,412 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-20 23:12:46,412 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-20 23:12:46,413 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_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-20 23:12:46,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:46,869 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:12:46,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46 WrapperNode [2021-11-20 23:12:46,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:46,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:46,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:12:46,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:12:46,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,524 INFO L137 Inliner]: procedures = 796, calls = 5186, calls flagged for inlining = 373, calls inlined = 355, statements flattened = 12937 [2021-11-20 23:12:47,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:47,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:12:47,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:12:47,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:12:47,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:47,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:48,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:48,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:12:48,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:12:48,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:12:48,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:12:48,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:48,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:48,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:48,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:12:48,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f70b3c1-ecaa-4b9d-b8e4-f09b51599a9c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:12:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-20 23:12:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-20 23:12:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-20 23:12:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-20 23:12:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-20 23:12:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-20 23:12:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-20 23:12:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-20 23:12:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-20 23:12:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-20 23:12:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-20 23:12:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-20 23:12:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-20 23:12:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-20 23:12:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-20 23:12:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-20 23:12:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:12:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:12:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-20 23:12:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-20 23:12:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-20 23:12:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-20 23:12:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-20 23:12:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-20 23:12:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-20 23:12:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-20 23:12:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:12:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:12:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:12:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:12:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 23:12:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 23:12:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-20 23:12:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-20 23:12:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:12:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-20 23:12:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-20 23:12:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:12:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:12:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:12:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-20 23:12:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-20 23:12:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-20 23:12:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 23:12:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 23:12:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-20 23:12:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-20 23:12:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2021-11-20 23:12:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2021-11-20 23:12:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-20 23:12:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-20 23:12:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-20 23:12:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-20 23:12:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-20 23:12:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-20 23:12:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 23:12:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 23:12:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-20 23:12:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-20 23:12:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-20 23:12:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-20 23:12:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-20 23:12:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-20 23:12:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 23:12:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 23:12:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-20 23:12:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-20 23:12:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:12:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:12:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:12:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:12:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:12:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-20 23:12:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-20 23:12:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 23:12:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 23:12:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-20 23:12:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-20 23:12:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:12:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:12:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 23:12:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 23:12:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:12:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:12:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:12:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:12:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-20 23:12:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-20 23:12:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 23:12:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 23:12:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:12:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:12:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-20 23:12:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-20 23:12:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 23:12:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 23:12:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:12:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:12:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:12:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:12:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:12:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-20 23:12:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-20 23:12:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:12:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:12:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-20 23:12:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-20 23:12:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:12:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:12:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:12:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:12:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:12:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:12:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-20 23:12:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-20 23:12:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:12:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 23:12:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 23:12:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-20 23:12:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-20 23:12:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:12:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:12:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-20 23:12:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-20 23:12:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 23:12:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 23:12:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:12:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:12:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 23:12:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 23:12:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-20 23:12:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-20 23:12:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-20 23:12:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-20 23:12:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:12:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:12:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-20 23:12:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-20 23:12:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 23:12:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 23:12:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:12:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:12:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-20 23:12:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-20 23:12:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:12:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-20 23:12:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-20 23:12:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-20 23:12:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:12:48,226 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 23:12:48,226 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 23:12:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 23:12:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 23:12:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:12:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:12:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:12:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:12:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:12:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:12:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:12:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-20 23:12:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-20 23:12:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 23:12:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 23:12:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:12:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:12:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:12:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-20 23:12:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:12:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:12:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 23:12:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 23:12:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-20 23:12:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-20 23:12:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:12:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:12:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:12:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-20 23:12:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-20 23:12:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:12:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-20 23:12:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-20 23:12:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-20 23:12:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-20 23:12:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-20 23:12:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-20 23:12:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-20 23:12:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-20 23:12:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:12:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:12:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-20 23:12:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-20 23:12:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:12:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:12:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-20 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-20 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-20 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-20 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:12:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-20 23:12:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-20 23:12:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:12:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-20 23:12:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-20 23:12:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-20 23:12:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:12:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:12:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-20 23:12:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-20 23:12:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:12:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:12:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:12:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-20 23:12:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-20 23:12:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-20 23:12:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-20 23:12:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:12:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:12:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-20 23:12:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-20 23:12:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_83 [2021-11-20 23:12:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_83 [2021-11-20 23:12:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-20 23:12:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-20 23:12:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-20 23:12:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-20 23:12:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-20 23:12:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-20 23:12:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2021-11-20 23:12:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2021-11-20 23:12:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-20 23:12:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-20 23:12:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-20 23:12:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-20 23:12:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 23:12:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 23:12:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-20 23:12:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-20 23:12:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 23:12:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 23:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-20 23:12:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-20 23:12:48,243 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 23:12:48,243 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 23:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-20 23:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-20 23:12:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 23:12:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-20 23:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-20 23:12:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-20 23:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-20 23:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-20 23:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-20 23:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 23:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 23:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 23:12:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-20 23:12:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-20 23:12:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-20 23:12:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-20 23:12:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:12:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:12:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 23:12:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 23:12:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-20 23:12:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-20 23:12:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-20 23:12:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-20 23:12:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-20 23:12:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-20 23:12:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 23:12:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 23:12:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-20 23:12:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-20 23:12:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-20 23:12:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-20 23:12:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:12:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:12:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-20 23:12:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-20 23:12:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-20 23:12:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-20 23:12:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-20 23:12:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-20 23:12:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:12:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:12:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 23:12:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 23:12:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 23:12:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 23:12:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 23:12:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 23:12:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:12:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:12:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:12:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-20 23:12:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-20 23:12:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-20 23:12:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-20 23:12:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:12:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:12:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 23:12:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 23:12:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-20 23:12:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-20 23:12:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 23:12:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 23:12:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-20 23:12:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-20 23:12:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-20 23:12:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-20 23:12:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:12:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:12:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:12:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:12:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-20 23:12:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-20 23:12:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:12:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:12:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:12:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:12:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:12:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:12:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:12:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:12:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-20 23:12:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-20 23:12:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-20 23:12:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-20 23:12:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:12:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:12:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-20 23:12:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-20 23:12:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:12:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:12:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-20 23:12:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-20 23:12:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:12:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:12:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-20 23:12:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-20 23:12:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-20 23:12:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-20 23:12:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-20 23:12:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-20 23:12:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-20 23:12:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-20 23:12:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:12:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:12:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 23:12:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 23:12:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:12:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-20 23:12:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 23:12:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 23:12:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-20 23:12:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-20 23:12:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-20 23:12:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-20 23:12:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-20 23:12:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-20 23:12:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-20 23:12:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-20 23:12:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 23:12:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 23:12:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-20 23:12:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-20 23:12:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:12:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:12:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:12:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-20 23:12:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-20 23:12:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-20 23:12:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-20 23:12:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:12:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:12:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-20 23:12:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-20 23:12:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 23:12:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 23:12:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:12:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:12:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 23:12:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 23:12:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:12:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-20 23:12:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-20 23:12:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-20 23:12:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 23:12:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 23:12:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-20 23:12:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-20 23:12:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 23:12:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 23:12:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-20 23:12:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-20 23:12:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:12:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:12:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-20 23:12:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-20 23:12:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-20 23:12:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-20 23:12:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-20 23:12:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-20 23:12:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:12:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-20 23:12:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-20 23:12:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:12:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:12:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 23:12:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 23:12:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-20 23:12:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-20 23:12:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 23:12:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 23:12:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:12:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:12:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-20 23:12:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-20 23:12:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 23:12:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 23:12:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-20 23:12:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-20 23:12:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:12:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-20 23:12:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-20 23:12:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-20 23:12:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-20 23:12:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-20 23:12:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-20 23:12:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-20 23:12:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_82 [2021-11-20 23:12:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_82 [2021-11-20 23:12:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-20 23:12:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-20 23:12:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-20 23:12:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-20 23:12:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-20 23:12:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-20 23:12:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 23:12:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 23:12:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-20 23:12:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-20 23:12:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-20 23:12:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-20 23:12:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 23:12:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 23:12:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:12:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:12:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-20 23:12:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-20 23:12:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-20 23:12:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-20 23:12:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:12:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 23:12:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-20 23:12:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-20 23:12:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 23:12:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 23:12:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-20 23:12:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-20 23:12:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 23:12:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 23:12:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-20 23:12:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-20 23:12:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-20 23:12:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-20 23:12:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-20 23:12:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-20 23:12:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 23:12:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 23:12:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-20 23:12:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-20 23:12:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:12:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:12:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 23:12:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 23:12:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 23:12:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 23:12:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:12:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:12:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:12:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:12:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:12:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-20 23:12:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-20 23:12:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-20 23:12:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-20 23:12:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:12:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:12:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-20 23:12:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-20 23:12:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-20 23:12:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-20 23:12:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-20 23:12:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-20 23:12:49,946 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:12:49,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:12:50,460 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:25:31,060 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:25:31,230 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:25:37,579 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:25:37,579 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 23:25:37,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:37 BoogieIcfgContainer [2021-11-20 23:25:37,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:25:37,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:25:37,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:25:37,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:25:37,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:12:38" (1/3) ... [2021-11-20 23:25:37,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77facc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:25:37, skipping insertion in model container [2021-11-20 23:25:37,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46" (2/3) ... [2021-11-20 23:25:37,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77facc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:25:37, skipping insertion in model container [2021-11-20 23:25:37,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:37" (3/3) ... [2021-11-20 23:25:37,602 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-20 23:25:37,607 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:25:37,607 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 23:25:37,667 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:25:37,673 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 23:25:37,674 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 23:25:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 3376 states, 2051 states have (on average 1.2940029254022427) internal successors, (2654), 2097 states have internal predecessors, (2654), 1081 states have call successors, (1081), 242 states have call predecessors, (1081), 241 states have return successors, (1076), 1064 states have call predecessors, (1076), 1076 states have call successors, (1076) [2021-11-20 23:25:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 23:25:37,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:25:37,782 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 23:25:37,783 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:25:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:25:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1933231017, now seen corresponding path program 1 times [2021-11-20 23:25:37,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:25:37,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496820427] [2021-11-20 23:25:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:25:37,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:25:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:25:39,177 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 23:25:39,179 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:25:39,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496820427] [2021-11-20 23:25:39,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496820427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:25:39,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:25:39,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:25:39,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906124825] [2021-11-20 23:25:39,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:25:39,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:25:39,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:25:39,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:25:39,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:25:39,235 INFO L87 Difference]: Start difference. First operand has 3376 states, 2051 states have (on average 1.2940029254022427) internal successors, (2654), 2097 states have internal predecessors, (2654), 1081 states have call successors, (1081), 242 states have call predecessors, (1081), 241 states have return successors, (1076), 1064 states have call predecessors, (1076), 1076 states have call successors, (1076) 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 23:25:41,418 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 23:25:49,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:25:51,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:25:53,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:25:57,759 WARN L515 Checker$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 23:25:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:25:58,361 INFO L93 Difference]: Finished difference Result 9974 states and 14517 transitions. [2021-11-20 23:25:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:25:58,364 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 23:25:58,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:25:58,440 INFO L225 Difference]: With dead ends: 9974 [2021-11-20 23:25:58,440 INFO L226 Difference]: Without dead ends: 6619 [2021-11-20 23:25:58,475 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 23:25:58,478 INFO L933 BasicCegarLoop]: 5256 mSDtfsCounter, 4645 mSDsluCounter, 4770 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 9457 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:25:58,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4651 Valid, 9457 Invalid, 1164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1158 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2021-11-20 23:25:58,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2021-11-20 23:25:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 6612. [2021-11-20 23:25:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6612 states, 4035 states have (on average 1.2926889714993803) internal successors, (5216), 4124 states have internal predecessors, (5216), 2095 states have call successors, (2095), 480 states have call predecessors, (2095), 479 states have return successors, (2098), 2067 states have call predecessors, (2098), 2092 states have call successors, (2098) [2021-11-20 23:25:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6612 states to 6612 states and 9409 transitions. [2021-11-20 23:25:59,005 INFO L78 Accepts]: Start accepts. Automaton has 6612 states and 9409 transitions. Word has length 167 [2021-11-20 23:25:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:25:59,007 INFO L470 AbstractCegarLoop]: Abstraction has 6612 states and 9409 transitions. [2021-11-20 23:25:59,007 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 23:25:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 6612 states and 9409 transitions. [2021-11-20 23:25:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-20 23:25:59,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:25:59,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:25:59,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:25:59,017 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:25:59,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:25:59,018 INFO L85 PathProgramCache]: Analyzing trace with hash -177985700, now seen corresponding path program 1 times [2021-11-20 23:25:59,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:25:59,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141652335] [2021-11-20 23:25:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:25:59,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:25:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:25:59,817 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 23:25:59,817 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:25:59,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141652335] [2021-11-20 23:25:59,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141652335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:25:59,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:25:59,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:25:59,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969839063] [2021-11-20 23:25:59,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:25:59,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:25:59,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:25:59,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:25:59,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:25:59,820 INFO L87 Difference]: Start difference. First operand 6612 states and 9409 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 23:26:01,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:06,366 WARN L515 Checker$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 23:26:12,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:15,911 WARN L515 Checker$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 23:26:18,444 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 23:26:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:26:18,712 INFO L93 Difference]: Finished difference Result 18050 states and 25575 transitions. [2021-11-20 23:26:18,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:26:18,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 177 [2021-11-20 23:26:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:26:18,819 INFO L225 Difference]: With dead ends: 18050 [2021-11-20 23:26:18,819 INFO L226 Difference]: Without dead ends: 11469 [2021-11-20 23:26:18,863 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 23:26:18,864 INFO L933 BasicCegarLoop]: 4988 mSDtfsCounter, 3460 mSDsluCounter, 4679 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3464 SdHoareTripleChecker+Valid, 9129 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:26:18,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3464 Valid, 9129 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1200 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2021-11-20 23:26:18,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11469 states. [2021-11-20 23:26:19,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11469 to 11435. [2021-11-20 23:26:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11435 states, 6976 states have (on average 1.2858371559633028) internal successors, (8970), 7136 states have internal predecessors, (8970), 3575 states have call successors, (3575), 882 states have call predecessors, (3575), 881 states have return successors, (3610), 3522 states have call predecessors, (3610), 3572 states have call successors, (3610) [2021-11-20 23:26:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11435 states to 11435 states and 16155 transitions. [2021-11-20 23:26:19,473 INFO L78 Accepts]: Start accepts. Automaton has 11435 states and 16155 transitions. Word has length 177 [2021-11-20 23:26:19,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:26:19,475 INFO L470 AbstractCegarLoop]: Abstraction has 11435 states and 16155 transitions. [2021-11-20 23:26:19,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 23:26:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 11435 states and 16155 transitions. [2021-11-20 23:26:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-20 23:26:19,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:26:19,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:26:19,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:26:19,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:26:19,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:26:19,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1074012579, now seen corresponding path program 1 times [2021-11-20 23:26:19,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:26:19,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876177038] [2021-11-20 23:26:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:26:19,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:26:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:26:20,564 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 23:26:20,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:26:20,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876177038] [2021-11-20 23:26:20,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876177038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:26:20,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:26:20,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:26:20,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658427551] [2021-11-20 23:26:20,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:26:20,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:26:20,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:26:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:26:20,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:26:20,567 INFO L87 Difference]: Start difference. First operand 11435 states and 16155 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 23:26:22,729 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 23:26:28,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:35,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:37,890 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 23:26:39,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:26:39,241 INFO L93 Difference]: Finished difference Result 20046 states and 28234 transitions. [2021-11-20 23:26:39,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:26:39,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 185 [2021-11-20 23:26:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:26:39,321 INFO L225 Difference]: With dead ends: 20046 [2021-11-20 23:26:39,321 INFO L226 Difference]: Without dead ends: 8642 [2021-11-20 23:26:39,394 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 23:26:39,395 INFO L933 BasicCegarLoop]: 6712 mSDtfsCounter, 3174 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 10889 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:26:39,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3175 Valid, 10889 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1523 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2021-11-20 23:26:39,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8642 states.