./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/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 73f101526b33e5f10b251e7a447b1a9d4ad6e1a0a49c040c0e548967272c8fbb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:00:13,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:00:13,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:00:13,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:00:13,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:00:13,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:00:13,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:00:13,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:00:13,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:00:13,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:00:13,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:00:13,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:00:13,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:00:13,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:00:13,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:00:13,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:00:13,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:00:13,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:00:13,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:00:13,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:00:13,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:00:13,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:00:13,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:00:13,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:00:13,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:00:13,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:00:13,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:00:13,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:00:13,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:00:13,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:00:13,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:00:13,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:00:13,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:00:13,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:00:13,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:00:13,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:00:13,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:00:13,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:00:13,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:00:13,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:00:13,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:00:13,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:00:13,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:00:13,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:00:13,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:00:13,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:00:13,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:00:13,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:00:13,837 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:00:13,837 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:00:13,837 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:00:13,837 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:00:13,837 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:00:13,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:00:13,838 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:00:13,838 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:00:13,838 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:00:13,838 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:00:13,839 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:00:13,839 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:00:13,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:00:13,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:00:13,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:00:13,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:00:13,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:00:13,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:00:13,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:00:13,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:00:13,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:00:13,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:00:13,842 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:00:13,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:00:13,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:00:13,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:00:13,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:00:13,847 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f101526b33e5f10b251e7a447b1a9d4ad6e1a0a49c040c0e548967272c8fbb [2021-11-25 20:00:14,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:00:14,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:00:14,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:00:14,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:00:14,154 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:00:14,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 20:00:14,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/data/d88f7c262/d40e541784404939866305926efc3870/FLAGd0346ba7b [2021-11-25 20:00:15,380 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:00:15,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 20:00:15,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/data/d88f7c262/d40e541784404939866305926efc3870/FLAGd0346ba7b [2021-11-25 20:00:15,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/data/d88f7c262/d40e541784404939866305926efc3870 [2021-11-25 20:00:15,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:00:15,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:00:15,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:00:15,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:00:15,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:00:15,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:00:15" (1/1) ... [2021-11-25 20:00:15,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f90965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:15, skipping insertion in model container [2021-11-25 20:00:15,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:00:15" (1/1) ... [2021-11-25 20:00:15,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:00:15,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:00:22,730 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564438,564451] [2021-11-25 20:00:22,732 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564607,564620] [2021-11-25 20:00:22,733 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564774,564787] [2021-11-25 20:00:22,733 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564942,564955] [2021-11-25 20:00:22,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:00:22,873 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:00:23,683 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564438,564451] [2021-11-25 20:00:23,683 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564607,564620] [2021-11-25 20:00:23,684 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564774,564787] [2021-11-25 20:00:23,684 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_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564942,564955] [2021-11-25 20:00:23,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:00:24,117 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:00:24,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24 WrapperNode [2021-11-25 20:00:24,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:00:24,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:00:24,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:00:24,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:00:24,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:24,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:24,721 INFO L137 Inliner]: procedures = 782, calls = 5181, calls flagged for inlining = 355, calls inlined = 337, statements flattened = 12880 [2021-11-25 20:00:24,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:00:24,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:00:24,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:00:24,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:00:24,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:24,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:24,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:24,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:25,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:25,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:25,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:25,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:00:25,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:00:25,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:00:25,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:00:25,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (1/1) ... [2021-11-25 20:00:25,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:00:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:00:25,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:00:25,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef359e27-d5c5-415a-9e5a-98cff08f4cfa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:00:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-25 20:00:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-25 20:00:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 20:00:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 20:00:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-25 20:00:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-25 20:00:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-25 20:00:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-25 20:00:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-25 20:00:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-25 20:00:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer [2021-11-25 20:00:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer [2021-11-25 20:00:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-25 20:00:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-25 20:00:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-25 20:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-25 20:00:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-25 20:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-25 20:00:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-25 20:00:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-25 20:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-25 20:00:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-25 20:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-25 20:00:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-25 20:00:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-25 20:00:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-25 20:00:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:00:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:00:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:00:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:00:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 20:00:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 20:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-25 20:00:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-25 20:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-25 20:00:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-25 20:00:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:00:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:00:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 20:00:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 20:00:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-25 20:00:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-25 20:00:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 20:00:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 20:00:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-25 20:00:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-25 20:00:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2021-11-25 20:00:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2021-11-25 20:00:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-25 20:00:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-25 20:00:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-25 20:00:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-25 20:00:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-25 20:00:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-25 20:00:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:00:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:00:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-25 20:00:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-25 20:00:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 20:00:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 20:00:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-25 20:00:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-25 20:00:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 20:00:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 20:00:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-25 20:00:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-25 20:00:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:00:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:00:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:00:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:00:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:00:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-25 20:00:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-25 20:00:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 20:00:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 20:00:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-25 20:00:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-25 20:00:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:00:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:00:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 20:00:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 20:00:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 20:00:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 20:00:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:00:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:00:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-25 20:00:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-25 20:00:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 20:00:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 20:00:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:00:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:00:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-25 20:00:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-25 20:00:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 20:00:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 20:00:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:00:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2021-11-25 20:00:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2021-11-25 20:00:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-25 20:00:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-25 20:00:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:00:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:00:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-25 20:00:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-25 20:00:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:00:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:00:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:00:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:00:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:00:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:00:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-25 20:00:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-25 20:00:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:00:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:00:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:00:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-25 20:00:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-25 20:00:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:00:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:00:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-25 20:00:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-25 20:00:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 20:00:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 20:00:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:00:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:00:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:00:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:00:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-25 20:00:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-25 20:00:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 20:00:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 20:00:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-25 20:00:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-25 20:00:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:00:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:00:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-25 20:00:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-25 20:00:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 20:00:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 20:00:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:00:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:00:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-25 20:00:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-25 20:00:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 20:00:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 20:00:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-25 20:00:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-25 20:00:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:00:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:00:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:00:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 20:00:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 20:00:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:00:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:00:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:00:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:00:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:00:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 20:00:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 20:00:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 20:00:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 20:00:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 20:00:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 20:00:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:00:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:00:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 20:00:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 20:00:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 20:00:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 20:00:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:00:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:00:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-25 20:00:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-25 20:00:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:00:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:00:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:00:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-25 20:00:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-25 20:00:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:00:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-25 20:00:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-25 20:00:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-25 20:00:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-25 20:00:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-25 20:00:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-25 20:00:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 20:00:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 20:00:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:00:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:00:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-25 20:00:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-25 20:00:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:00:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:00:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 20:00:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 20:00:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-25 20:00:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-25 20:00:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-25 20:00:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-25 20:00:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:00:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:00:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-25 20:00:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-25 20:00:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 20:00:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 20:00:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-25 20:00:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-25 20:00:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:00:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:00:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-25 20:00:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-25 20:00:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:00:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:00:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:00:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-25 20:00:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-25 20:00:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-25 20:00:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-25 20:00:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:00:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:00:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-25 20:00:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-25 20:00:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_83 [2021-11-25 20:00:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_83 [2021-11-25 20:00:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-25 20:00:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-25 20:00:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-25 20:00:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-25 20:00:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-25 20:00:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-25 20:00:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2021-11-25 20:00:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2021-11-25 20:00:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-25 20:00:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-25 20:00:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 20:00:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 20:00:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-25 20:00:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-25 20:00:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-25 20:00:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-25 20:00:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 20:00:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 20:00:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-25 20:00:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-25 20:00:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:00:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:00:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-25 20:00:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-25 20:00:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-25 20:00:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-25 20:00:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-25 20:00:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-25 20:00:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-25 20:00:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-25 20:00:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:00:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:00:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:00:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:00:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-25 20:00:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-25 20:00:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-25 20:00:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-25 20:00:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:00:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:00:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:00:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:00:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2021-11-25 20:00:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2021-11-25 20:00:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-25 20:00:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-25 20:00:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-25 20:00:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-25 20:00:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-25 20:00:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-25 20:00:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 20:00:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 20:00:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-25 20:00:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-25 20:00:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-25 20:00:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-25 20:00:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:00:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:00:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-25 20:00:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-25 20:00:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-25 20:00:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-25 20:00:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-25 20:00:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-25 20:00:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:00:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:00:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 20:00:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 20:00:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:00:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:00:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 20:00:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 20:00:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:00:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:00:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:00:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-25 20:00:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-25 20:00:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-25 20:00:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-25 20:00:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:00:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:00:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 20:00:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 20:00:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-25 20:00:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-25 20:00:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:00:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:00:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-25 20:00:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-25 20:00:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 20:00:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 20:00:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:00:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:00:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:00:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:00:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-25 20:00:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-25 20:00:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:00:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:00:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:00:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:00:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:00:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:00:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:00:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:00:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2021-11-25 20:00:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2021-11-25 20:00:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 20:00:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 20:00:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-25 20:00:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-25 20:00:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-25 20:00:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-25 20:00:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_9_2 [2021-11-25 20:00:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_9_2 [2021-11-25 20:00:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 20:00:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 20:00:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 20:00:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 20:00:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-25 20:00:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-25 20:00:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:00:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:00:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 20:00:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 20:00:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:00:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:00:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-25 20:00:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-25 20:00:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-25 20:00:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-25 20:00:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-25 20:00:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-25 20:00:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-25 20:00:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-25 20:00:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 20:00:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 20:00:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:00:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:00:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-25 20:00:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-25 20:00:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 20:00:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 20:00:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-25 20:00:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-25 20:00:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-25 20:00:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-25 20:00:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 20:00:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 20:00:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-25 20:00:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:00:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:00:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-25 20:00:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-25 20:00:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:00:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-25 20:00:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:00:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:00:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-25 20:00:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:00:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-25 20:00:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:00:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-25 20:00:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-25 20:00:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-25 20:00:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-25 20:00:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-25 20:00:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:00:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 20:00:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-25 20:00:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-25 20:00:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:00:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:00:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-25 20:00:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:00:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-25 20:00:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-25 20:00:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_82 [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_82 [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-25 20:00:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-25 20:00:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-25 20:00:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-25 20:00:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:00:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:00:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-25 20:00:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-25 20:00:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-25 20:00:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-25 20:00:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 20:00:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 20:00:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:00:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:00:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-25 20:00:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-25 20:00:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-25 20:00:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-25 20:00:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:00:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:00:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-25 20:00:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-25 20:00:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:00:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:00:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-25 20:00:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-25 20:00:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:00:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:00:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-25 20:00:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-25 20:00:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-25 20:00:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-25 20:00:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-25 20:00:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-25 20:00:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 20:00:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 20:00:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-25 20:00:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-25 20:00:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:00:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:00:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 20:00:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 20:00:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:00:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:00:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:00:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:00:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:00:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:00:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:00:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-25 20:00:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-25 20:00:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-25 20:00:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-25 20:00:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:00:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:00:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 20:00:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 20:00:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-25 20:00:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-25 20:00:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-25 20:00:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-25 20:00:27,245 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:00:27,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:00:27,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:12:00,465 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:12:06,487 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:12:06,487 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 20:12:06,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:06 BoogieIcfgContainer [2021-11-25 20:12:06,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:12:06,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:12:06,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:12:06,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:12:06,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:00:15" (1/3) ... [2021-11-25 20:12:06,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c78554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:12:06, skipping insertion in model container [2021-11-25 20:12:06,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:24" (2/3) ... [2021-11-25 20:12:06,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c78554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:12:06, skipping insertion in model container [2021-11-25 20:12:06,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:12:06" (3/3) ... [2021-11-25 20:12:06,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 20:12:06,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:12:06,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 20:12:06,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:12:06,593 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 20:12:06,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 20:12:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 3276 states, 1969 states have (on average 1.281868969019807) internal successors, (2524), 2029 states have internal predecessors, (2524), 1058 states have call successors, (1058), 246 states have call predecessors, (1058), 245 states have return successors, (1054), 1039 states have call predecessors, (1054), 1054 states have call successors, (1054) [2021-11-25 20:12:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 20:12:06,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:06,702 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:06,703 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 20:12:06,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:06,708 INFO L85 PathProgramCache]: Analyzing trace with hash -123632324, now seen corresponding path program 1 times [2021-11-25 20:12:06,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:06,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143001834] [2021-11-25 20:12:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 20:12:09,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:09,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143001834] [2021-11-25 20:12:09,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143001834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:09,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:09,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:12:09,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986532537] [2021-11-25 20:12:09,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:09,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:12:09,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:12:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:12:09,151 INFO L87 Difference]: Start difference. First operand has 3276 states, 1969 states have (on average 1.281868969019807) internal successors, (2524), 2029 states have internal predecessors, (2524), 1058 states have call successors, (1058), 246 states have call predecessors, (1058), 245 states have return successors, (1054), 1039 states have call predecessors, (1054), 1054 states have call successors, (1054) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 20:12:11,313 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 20:12:17,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:22,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:28,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:33,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:37,448 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 20:12:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:39,575 INFO L93 Difference]: Finished difference Result 9581 states and 13908 transitions. [2021-11-25 20:12:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:12:39,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2021-11-25 20:12:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:39,656 INFO L225 Difference]: With dead ends: 9581 [2021-11-25 20:12:39,657 INFO L226 Difference]: Without dead ends: 6308 [2021-11-25 20:12:39,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:12:39,703 INFO L933 BasicCegarLoop]: 5828 mSDtfsCounter, 4330 mSDsluCounter, 17500 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 21555 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:39,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4347 Valid, 21555 Invalid, 2434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2427 Invalid, 4 Unknown, 0 Unchecked, 29.5s Time] [2021-11-25 20:12:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2021-11-25 20:12:40,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 6298. [2021-11-25 20:12:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6298 states, 3798 states have (on average 1.2819905213270142) internal successors, (4869), 3910 states have internal predecessors, (4869), 2023 states have call successors, (2023), 477 states have call predecessors, (2023), 474 states have return successors, (2043), 1984 states have call predecessors, (2043), 2017 states have call successors, (2043) [2021-11-25 20:12:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6298 states to 6298 states and 8935 transitions. [2021-11-25 20:12:40,183 INFO L78 Accepts]: Start accepts. Automaton has 6298 states and 8935 transitions. Word has length 35 [2021-11-25 20:12:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:40,185 INFO L470 AbstractCegarLoop]: Abstraction has 6298 states and 8935 transitions. [2021-11-25 20:12:40,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 20:12:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 6298 states and 8935 transitions. [2021-11-25 20:12:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 20:12:40,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:40,189 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:40,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:12:40,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:12:40,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:40,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1059023015, now seen corresponding path program 1 times [2021-11-25 20:12:40,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:40,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482428871] [2021-11-25 20:12:40,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:40,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 20:12:41,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:41,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482428871] [2021-11-25 20:12:41,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482428871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:41,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:41,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:12:41,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851519511] [2021-11-25 20:12:41,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:41,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:12:41,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:12:41,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:12:41,413 INFO L87 Difference]: Start difference. First operand 6298 states and 8935 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 20:12:43,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:49,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:56,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:03,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:04,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:05,242 INFO L93 Difference]: Finished difference Result 6544 states and 9230 transitions. [2021-11-25 20:13:05,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:13:05,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2021-11-25 20:13:05,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:05,298 INFO L225 Difference]: With dead ends: 6544 [2021-11-25 20:13:05,299 INFO L226 Difference]: Without dead ends: 6542 [2021-11-25 20:13:05,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:13:05,308 INFO L933 BasicCegarLoop]: 4145 mSDtfsCounter, 4563 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4582 SdHoareTripleChecker+Valid, 12586 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:05,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4582 Valid, 12586 Invalid, 1644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1640 Invalid, 2 Unknown, 0 Unchecked, 23.1s Time] [2021-11-25 20:13:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2021-11-25 20:13:05,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 6535. [2021-11-25 20:13:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6535 states, 3936 states have (on average 1.2792174796747968) internal successors, (5035), 4054 states have internal predecessors, (5035), 2078 states have call successors, (2078), 521 states have call predecessors, (2078), 518 states have return successors, (2102), 2035 states have call predecessors, (2102), 2072 states have call successors, (2102) [2021-11-25 20:13:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6535 states to 6535 states and 9215 transitions. [2021-11-25 20:13:05,716 INFO L78 Accepts]: Start accepts. Automaton has 6535 states and 9215 transitions. Word has length 40 [2021-11-25 20:13:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:05,717 INFO L470 AbstractCegarLoop]: Abstraction has 6535 states and 9215 transitions. [2021-11-25 20:13:05,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 20:13:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6535 states and 9215 transitions. [2021-11-25 20:13:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 20:13:05,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:05,727 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-25 20:13:05,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:13:05,727 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:13:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash -137505453, now seen corresponding path program 1 times [2021-11-25 20:13:05,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:05,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194819502] [2021-11-25 20:13:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:05,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:13:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 20:13:06,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:06,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194819502] [2021-11-25 20:13:06,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194819502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:13:06,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:13:06,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:13:06,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815372593] [2021-11-25 20:13:06,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:13:06,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:13:06,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:06,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:13:06,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:13:06,877 INFO L87 Difference]: Start difference. First operand 6535 states and 9215 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 20:13:09,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:14,322 WARN L534 Checker$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 20:13:21,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:28,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:30,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:33,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:35,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:36,108 INFO L93 Difference]: Finished difference Result 9525 states and 13146 transitions. [2021-11-25 20:13:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:13:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2021-11-25 20:13:36,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:36,188 INFO L225 Difference]: With dead ends: 9525 [2021-11-25 20:13:36,189 INFO L226 Difference]: Without dead ends: 9523 [2021-11-25 20:13:36,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:13:36,201 INFO L933 BasicCegarLoop]: 4524 mSDtfsCounter, 3345 mSDsluCounter, 13280 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3365 SdHoareTripleChecker+Valid, 16373 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:36,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3365 Valid, 16373 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1974 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2021-11-25 20:13:36,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9523 states. [2021-11-25 20:13:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9523 to 9512. [2021-11-25 20:13:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9512 states, 5713 states have (on average 1.2671100997724487) internal successors, (7239), 5878 states have internal predecessors, (7239), 2927 states have call successors, (2927), 873 states have call predecessors, (2927), 869 states have return successors, (2962), 2870 states have call predecessors, (2962), 2921 states have call successors, (2962) [2021-11-25 20:13:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9512 states to 9512 states and 13128 transitions. [2021-11-25 20:13:36,728 INFO L78 Accepts]: Start accepts. Automaton has 9512 states and 13128 transitions. Word has length 46 [2021-11-25 20:13:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:36,729 INFO L470 AbstractCegarLoop]: Abstraction has 9512 states and 13128 transitions. [2021-11-25 20:13:36,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 20:13:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9512 states and 13128 transitions. [2021-11-25 20:13:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 20:13:36,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:36,733 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:36,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:13:36,734 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 20:13:36,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:36,734 INFO L85 PathProgramCache]: Analyzing trace with hash -100134663, now seen corresponding path program 1 times [2021-11-25 20:13:36,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:36,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176581264] [2021-11-25 20:13:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:36,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:13:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-25 20:13:37,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:37,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176581264] [2021-11-25 20:13:37,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176581264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:13:37,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:13:37,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:13:37,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084340247] [2021-11-25 20:13:37,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:13:37,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:13:37,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:13:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:13:37,774 INFO L87 Difference]: Start difference. First operand 9512 states and 13128 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:13:39,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:45,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:52,723 WARN L534 Checker$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 20:13:56,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:01,691 WARN L534 Checker$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 20:14:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:02,151 INFO L93 Difference]: Finished difference Result 9533 states and 13152 transitions. [2021-11-25 20:14:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:14:02,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2021-11-25 20:14:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:02,223 INFO L225 Difference]: With dead ends: 9533 [2021-11-25 20:14:02,224 INFO L226 Difference]: Without dead ends: 9531 [2021-11-25 20:14:02,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:14:02,234 INFO L933 BasicCegarLoop]: 4524 mSDtfsCounter, 3346 mSDsluCounter, 13277 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3365 SdHoareTripleChecker+Valid, 16373 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:02,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3365 Valid, 16373 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1973 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2021-11-25 20:14:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9531 states. [2021-11-25 20:14:02,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9531 to 9520. [2021-11-25 20:14:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9520 states, 5719 states have (on average 1.266829865361077) internal successors, (7245), 5884 states have internal predecessors, (7245), 2927 states have call successors, (2927), 875 states have call predecessors, (2927), 871 states have return successors, (2962), 2870 states have call predecessors, (2962), 2921 states have call successors, (2962) [2021-11-25 20:14:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9520 states to 9520 states and 13134 transitions. [2021-11-25 20:14:02,715 INFO L78 Accepts]: Start accepts. Automaton has 9520 states and 13134 transitions. Word has length 50 [2021-11-25 20:14:02,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:02,716 INFO L470 AbstractCegarLoop]: Abstraction has 9520 states and 13134 transitions. [2021-11-25 20:14:02,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:14:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 9520 states and 13134 transitions. [2021-11-25 20:14:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 20:14:02,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:02,719 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:02,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:14:02,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 20:14:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:02,730 INFO L85 PathProgramCache]: Analyzing trace with hash 599007484, now seen corresponding path program 1 times [2021-11-25 20:14:02,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:02,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337442301] [2021-11-25 20:14:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:02,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat