./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:59:23,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:59:23,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:59:23,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:59:23,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:59:23,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:59:23,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:59:23,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:59:23,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:59:23,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:59:23,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:59:23,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:59:23,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:59:23,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:59:23,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:59:23,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:59:23,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:59:23,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:59:23,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:59:23,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:59:23,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:59:23,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:59:23,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:59:23,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:59:23,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:59:23,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:59:23,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:59:23,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:59:23,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:59:23,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:59:23,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:59:23,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:59:23,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:59:23,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:59:23,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:59:23,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:59:23,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:59:23,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:59:23,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:59:23,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:59:23,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:59:23,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:59:23,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:59:23,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:59:23,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:59:23,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:59:23,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:59:23,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:59:23,753 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:59:23,753 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:59:23,754 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:59:23,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:59:23,755 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:59:23,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:59:23,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:59:23,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:59:23,756 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:59:23,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:59:23,756 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:59:23,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:59:23,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:59:23,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:59:23,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:59:23,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:59:23,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:59:23,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:59:23,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:59:23,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:59:23,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:59:23,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:59:23,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:59:23,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:59:23,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:59:23,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:59:23,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:59:23,763 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:59:23,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:59:23,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:59:23,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:59:23,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:59:23,764 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 [2021-11-25 19:59:24,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:59:24,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:59:24,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:59:24,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:59:24,078 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:59:24,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 19:59:24,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/data/92e782248/6fcd7e7ea36e4cb8aeb4a1e34902c9f3/FLAG53959ec10 [2021-11-25 19:59:25,137 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:59:25,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 19:59:25,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/data/92e782248/6fcd7e7ea36e4cb8aeb4a1e34902c9f3/FLAG53959ec10 [2021-11-25 19:59:25,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/data/92e782248/6fcd7e7ea36e4cb8aeb4a1e34902c9f3 [2021-11-25 19:59:25,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:59:25,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:59:25,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:59:25,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:59:25,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:59:25,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:59:25" (1/1) ... [2021-11-25 19:59:25,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796ce7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:25, skipping insertion in model container [2021-11-25 19:59:25,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:59:25" (1/1) ... [2021-11-25 19:59:25,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:59:25,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:59:32,649 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:32,653 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:32,660 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:32,661 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:32,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:59:32,823 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:59:33,619 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:33,620 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:33,620 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:33,621 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_c81d2b42-6ae2-49cd-ad0e-927662bbc315/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] [2021-11-25 19:59:33,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:59:34,187 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:59:34,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34 WrapperNode [2021-11-25 19:59:34,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:59:34,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:59:34,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:59:34,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:59:34,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:34,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:34,773 INFO L137 Inliner]: procedures = 796, calls = 5186, calls flagged for inlining = 373, calls inlined = 355, statements flattened = 12937 [2021-11-25 19:59:34,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:59:34,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:59:34,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:59:34,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:59:34,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:34,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:34,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:34,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:35,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:35,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:35,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:35,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:59:35,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:59:35,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:59:35,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:59:35,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (1/1) ... [2021-11-25 19:59:35,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:59:35,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:59:35,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:59:35,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81d2b42-6ae2-49cd-ad0e-927662bbc315/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:59:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-25 19:59:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-25 19:59:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 19:59:35,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 19:59:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-25 19:59:35,517 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-25 19:59:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-25 19:59:35,518 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-25 19:59:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-25 19:59:35,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-25 19:59:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-25 19:59:35,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-25 19:59:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-25 19:59:35,519 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-25 19:59:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-25 19:59:35,519 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-25 19:59:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:59:35,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:59:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-25 19:59:35,520 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-25 19:59:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-25 19:59:35,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-25 19:59:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-25 19:59:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-25 19:59:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-25 19:59:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-25 19:59:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:59:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:59:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:59:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:59:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 19:59:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 19:59:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-25 19:59:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-25 19:59:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:59:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-25 19:59:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-25 19:59:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 19:59:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 19:59:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 19:59:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 19:59:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-25 19:59:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-25 19:59:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 19:59:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 19:59:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-25 19:59:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-25 19:59:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2021-11-25 19:59:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2021-11-25 19:59:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-25 19:59:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-25 19:59:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-25 19:59:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-25 19:59:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-25 19:59:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-25 19:59:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:59:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:59:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-25 19:59:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-25 19:59:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 19:59:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 19:59:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-25 19:59:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-25 19:59:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 19:59:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 19:59:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-25 19:59:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-25 19:59:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:59:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:59:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:59:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:59:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:59:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-25 19:59:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-25 19:59:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 19:59:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 19:59:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-25 19:59:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-25 19:59:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:59:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:59:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:59:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:59:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:59:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:59:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:59:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:59:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-25 19:59:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-25 19:59:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 19:59:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 19:59:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:59:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:59:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-25 19:59:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-25 19:59:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 19:59:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 19:59:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:59:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 19:59:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 19:59:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 19:59:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 19:59:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-25 19:59:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-25 19:59:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 19:59:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 19:59:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-25 19:59:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-25 19:59:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:59:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:59:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:59:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:59:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:59:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:59:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-25 19:59:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-25 19:59:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:59:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 19:59:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 19:59:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-25 19:59:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-25 19:59:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:59:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:59:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-25 19:59:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-25 19:59:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 19:59:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 19:59:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:59:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:59:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 19:59:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 19:59:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-25 19:59:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-25 19:59:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-25 19:59:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-25 19:59:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:59:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:59:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-25 19:59:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-25 19:59:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 19:59:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 19:59:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:59:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:59:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-25 19:59:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-25 19:59:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 19:59:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 19:59:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-25 19:59:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-25 19:59:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:59:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:59:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:59:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 19:59:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 19:59:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:59:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:59:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 19:59:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:59:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:59:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 19:59:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 19:59:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 19:59:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 19:59:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 19:59:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 19:59:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:59:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:59:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 19:59:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 19:59:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:59:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:59:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 19:59:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 19:59:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-25 19:59:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-25 19:59:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:59:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:59:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:59:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-25 19:59:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-25 19:59:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:59:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-25 19:59:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-25 19:59:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-25 19:59:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-25 19:59:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-25 19:59:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-25 19:59:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 19:59:35,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 19:59:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:59:35,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:59:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-25 19:59:35,568 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-25 19:59:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 19:59:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 19:59:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:59:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:59:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-25 19:59:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-25 19:59:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-25 19:59:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-25 19:59:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:59:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:59:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-25 19:59:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-25 19:59:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 19:59:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 19:59:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-25 19:59:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-25 19:59:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 19:59:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 19:59:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-25 19:59:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-25 19:59:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:59:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:59:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:59:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-25 19:59:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-25 19:59:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-25 19:59:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-25 19:59:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:59:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:59:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-25 19:59:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-25 19:59:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_83 [2021-11-25 19:59:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_83 [2021-11-25 19:59:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-25 19:59:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-25 19:59:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-25 19:59:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-25 19:59:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-25 19:59:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-25 19:59:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2021-11-25 19:59:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2021-11-25 19:59:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-25 19:59:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-25 19:59:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 19:59:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 19:59:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-25 19:59:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-25 19:59:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-25 19:59:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-25 19:59:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 19:59:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 19:59:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-25 19:59:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-25 19:59:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:59:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:59:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-25 19:59:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-25 19:59:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 19:59:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 19:59:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-25 19:59:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-25 19:59:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-25 19:59:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-25 19:59:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-25 19:59:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-25 19:59:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:59:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:59:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:59:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:59:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 19:59:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 19:59:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-25 19:59:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-25 19:59:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-25 19:59:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-25 19:59:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:59:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:59:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 19:59:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 19:59:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-25 19:59:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-25 19:59:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-25 19:59:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-25 19:59:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-25 19:59:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-25 19:59:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 19:59:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 19:59:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-25 19:59:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-25 19:59:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-25 19:59:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-25 19:59:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:59:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:59:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-25 19:59:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-25 19:59:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-25 19:59:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-25 19:59:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-25 19:59:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-25 19:59:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:59:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:59:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 19:59:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 19:59:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 19:59:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 19:59:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 19:59:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 19:59:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:59:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:59:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:59:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-25 19:59:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-25 19:59:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-25 19:59:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-25 19:59:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 19:59:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 19:59:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 19:59:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 19:59:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-25 19:59:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-25 19:59:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:59:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:59:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-25 19:59:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-25 19:59:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:59:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:59:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:59:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:59:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:59:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:59:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-25 19:59:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-25 19:59:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:59:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:59:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:59:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:59:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:59:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:59:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 19:59:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 19:59:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-25 19:59:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-25 19:59:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-25 19:59:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-25 19:59:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 19:59:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 19:59:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-25 19:59:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-25 19:59:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:59:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:59:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 19:59:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 19:59:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:59:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:59:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-25 19:59:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-25 19:59:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-25 19:59:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-25 19:59:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-25 19:59:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-25 19:59:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-25 19:59:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-25 19:59:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:59:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:59:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 19:59:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 19:59:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-25 19:59:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-25 19:59:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 19:59:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 19:59:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-25 19:59:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-25 19:59:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-25 19:59:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-25 19:59:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-25 19:59:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-25 19:59:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 19:59:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 19:59:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:59:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:59:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-25 19:59:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-25 19:59:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:59:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:59:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:59:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-25 19:59:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-25 19:59:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-25 19:59:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-25 19:59:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:59:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:59:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-25 19:59:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-25 19:59:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 19:59:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 19:59:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 19:59:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 19:59:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 19:59:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 19:59:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-25 19:59:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-25 19:59:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-25 19:59:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-25 19:59:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 19:59:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 19:59:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-25 19:59:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-25 19:59:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 19:59:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 19:59:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-25 19:59:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-25 19:59:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 19:59:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 19:59:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-25 19:59:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-25 19:59:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-25 19:59:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-25 19:59:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-25 19:59:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-25 19:59:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:59:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-25 19:59:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-25 19:59:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:59:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:59:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 19:59:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 19:59:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-25 19:59:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-25 19:59:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 19:59:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 19:59:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:59:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:59:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-25 19:59:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-25 19:59:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 19:59:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 19:59:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-25 19:59:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-25 19:59:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-25 19:59:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-25 19:59:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-25 19:59:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-25 19:59:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-25 19:59:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-25 19:59:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-25 19:59:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-25 19:59:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_82 [2021-11-25 19:59:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_82 [2021-11-25 19:59:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-25 19:59:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-25 19:59:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-25 19:59:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-25 19:59:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-25 19:59:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-25 19:59:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:59:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:59:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-25 19:59:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-25 19:59:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-25 19:59:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-25 19:59:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 19:59:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 19:59:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:59:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:59:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-25 19:59:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-25 19:59:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-25 19:59:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-25 19:59:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:59:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:59:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-25 19:59:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-25 19:59:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 19:59:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 19:59:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-25 19:59:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-25 19:59:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 19:59:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 19:59:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-25 19:59:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-25 19:59:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-25 19:59:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-25 19:59:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-25 19:59:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-25 19:59:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 19:59:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 19:59:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-25 19:59:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-25 19:59:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:59:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:59:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 19:59:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 19:59:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:59:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:59:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:59:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:59:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:59:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:59:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:59:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-25 19:59:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-25 19:59:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-25 19:59:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-25 19:59:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:59:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:59:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 19:59:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 19:59:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-25 19:59:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-25 19:59:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-25 19:59:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-25 19:59:37,186 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:59:37,213 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:59:37,773 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:11:44,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:11:44,324 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:11:50,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:11:50,209 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 20:11:50,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:50 BoogieIcfgContainer [2021-11-25 20:11:50,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:11:50,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:11:50,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:11:50,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:11:50,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:59:25" (1/3) ... [2021-11-25 20:11:50,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69145c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:50, skipping insertion in model container [2021-11-25 20:11:50,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:34" (2/3) ... [2021-11-25 20:11:50,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69145c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:50, skipping insertion in model container [2021-11-25 20:11:50,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:50" (3/3) ... [2021-11-25 20:11:50,232 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 20:11:50,237 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:11:50,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 20:11:50,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:11:50,304 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:11:50,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 20:11:50,402 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) [2021-11-25 20:11:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-25 20:11:50,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:11:50,424 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] [2021-11-25 20:11:50,425 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)] === [2021-11-25 20:11:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:11:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1933231017, now seen corresponding path program 1 times [2021-11-25 20:11:50,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:11:50,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723366199] [2021-11-25 20:11:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:11:50,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:11:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:11:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-25 20:11:52,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:11:52,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723366199] [2021-11-25 20:11:52,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723366199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:11:52,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:11:52,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:11:52,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672503260] [2021-11-25 20:11:52,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:11:52,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:11:52,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:11:52,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:11:52,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:11:52,392 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) [2021-11-25 20:11:54,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:11:58,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:02,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:04,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:07,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:10,858 INFO L93 Difference]: Finished difference Result 9992 states and 14546 transitions. [2021-11-25 20:12:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:12:10,860 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 [2021-11-25 20:12:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:10,940 INFO L225 Difference]: With dead ends: 9992 [2021-11-25 20:12:10,940 INFO L226 Difference]: Without dead ends: 6637 [2021-11-25 20:12:10,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:10,984 INFO L933 BasicCegarLoop]: 5265 mSDtfsCounter, 4676 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4680 SdHoareTripleChecker+Valid, 9466 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:10,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4680 Valid, 9466 Invalid, 1165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1159 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2021-11-25 20:12:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6637 states. [2021-11-25 20:12:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6637 to 6632. [2021-11-25 20:12:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 4046 states have (on average 1.2926347009391992) internal successors, (5230), 4136 states have internal predecessors, (5230), 2104 states have call successors, (2104), 480 states have call predecessors, (2104), 479 states have return successors, (2105), 2076 states have call predecessors, (2105), 2101 states have call successors, (2105) [2021-11-25 20:12:11,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9439 transitions. [2021-11-25 20:12:11,751 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9439 transitions. Word has length 167 [2021-11-25 20:12:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:11,756 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9439 transitions. [2021-11-25 20:12:11,756 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) [2021-11-25 20:12:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9439 transitions. [2021-11-25 20:12:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-25 20:12:11,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:11,773 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] [2021-11-25 20:12:11,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:12:11,774 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)] === [2021-11-25 20:12:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash -177985700, now seen corresponding path program 1 times [2021-11-25 20:12:11,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:11,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153131976] [2021-11-25 20:12:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:11,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-25 20:12:12,860 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:12,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153131976] [2021-11-25 20:12:12,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153131976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:12,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:12,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:12:12,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203941537] [2021-11-25 20:12:12,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:12,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:12:12,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:12:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:12,863 INFO L87 Difference]: Start difference. First operand 6632 states and 9439 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) [2021-11-25 20:12:15,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:19,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:28,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:29,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:29,242 INFO L93 Difference]: Finished difference Result 18110 states and 25663 transitions. [2021-11-25 20:12:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:12:29,243 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 [2021-11-25 20:12:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:29,340 INFO L225 Difference]: With dead ends: 18110 [2021-11-25 20:12:29,340 INFO L226 Difference]: Without dead ends: 11509 [2021-11-25 20:12:29,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:29,387 INFO L933 BasicCegarLoop]: 4988 mSDtfsCounter, 3460 mSDsluCounter, 4679 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3464 SdHoareTripleChecker+Valid, 9129 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:29,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3464 Valid, 9129 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1201 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2021-11-25 20:12:29,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11509 states. [2021-11-25 20:12:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11509 to 11474. [2021-11-25 20:12:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11474 states, 6997 states have (on average 1.285836787194512) internal successors, (8997), 7159 states have internal predecessors, (8997), 3593 states have call successors, (3593), 882 states have call predecessors, (3593), 881 states have return successors, (3622), 3539 states have call predecessors, (3622), 3590 states have call successors, (3622) [2021-11-25 20:12:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 16212 transitions. [2021-11-25 20:12:30,005 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 16212 transitions. Word has length 177 [2021-11-25 20:12:30,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:30,006 INFO L470 AbstractCegarLoop]: Abstraction has 11474 states and 16212 transitions. [2021-11-25 20:12:30,006 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) [2021-11-25 20:12:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 16212 transitions. [2021-11-25 20:12:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-25 20:12:30,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:30,011 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] [2021-11-25 20:12:30,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:12:30,012 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)] === [2021-11-25 20:12:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:30,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1074012579, now seen corresponding path program 1 times [2021-11-25 20:12:30,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:30,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050036289] [2021-11-25 20:12:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:30,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-25 20:12:31,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:31,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050036289] [2021-11-25 20:12:31,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050036289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:31,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:31,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:12:31,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491731716] [2021-11-25 20:12:31,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:31,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:12:31,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:31,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:12:31,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:31,204 INFO L87 Difference]: Start difference. First operand 11474 states and 16212 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) [2021-11-25 20:12:33,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:39,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:43,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:49,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:50,298 INFO L93 Difference]: Finished difference Result 20080 states and 28285 transitions. [2021-11-25 20:12:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:12:50,299 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 [2021-11-25 20:12:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:50,369 INFO L225 Difference]: With dead ends: 20080 [2021-11-25 20:12:50,370 INFO L226 Difference]: Without dead ends: 8637 [2021-11-25 20:12:50,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:12:50,425 INFO L933 BasicCegarLoop]: 6711 mSDtfsCounter, 3163 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3168 SdHoareTripleChecker+Valid, 10888 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:50,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3168 Valid, 10888 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1521 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2021-11-25 20:12:50,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2021-11-25 20:12:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 8604. [2021-11-25 20:12:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8604 states, 5252 states have (on average 1.2802741812642802) internal successors, (6724), 5375 states have internal predecessors, (6724), 2646 states have call successors, (2646), 704 states have call predecessors, (2646), 703 states have return successors, (2658), 2601 states have call predecessors, (2658), 2643 states have call successors, (2658) [2021-11-25 20:12:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8604 states to 8604 states and 12028 transitions. [2021-11-25 20:12:50,837 INFO L78 Accepts]: Start accepts. Automaton has 8604 states and 12028 transitions. Word has length 185 [2021-11-25 20:12:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:50,839 INFO L470 AbstractCegarLoop]: Abstraction has 8604 states and 12028 transitions. [2021-11-25 20:12:50,840 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-25 20:12:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 8604 states and 12028 transitions. [2021-11-25 20:12:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-25 20:12:50,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:50,846 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:50,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:12:50,846 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-25 20:12:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:50,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2004726800, now seen corresponding path program 1 times [2021-11-25 20:12:50,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:50,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037710379] [2021-11-25 20:12:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:50,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-25 20:12:52,100 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:52,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037710379] [2021-11-25 20:12:52,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037710379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:52,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:52,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:12:52,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113547022] [2021-11-25 20:12:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:52,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:12:52,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:52,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:12:52,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:12:52,103 INFO L87 Difference]: Start difference. First operand 8604 states and 12028 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 20:12:54,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:01,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:08,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:13,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []