./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/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_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/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_cc49fa52-798a-464e-8876-3fd078ba012d/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 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:31:04,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:31:04,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:31:04,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:31:04,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:31:04,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:31:04,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:31:04,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:31:04,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:31:04,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:31:04,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:31:04,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:31:04,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:31:04,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:31:04,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:31:04,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:31:04,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:31:04,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:31:04,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:31:04,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:31:04,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:31:04,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:31:04,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:31:04,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:31:04,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:31:04,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:31:04,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:31:04,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:31:04,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:31:04,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:31:04,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:31:04,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:31:04,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:31:04,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:31:04,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:31:04,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:31:04,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:31:04,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:31:04,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:31:04,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:31:04,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:31:04,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:31:05,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:31:05,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:31:05,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:31:05,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:31:05,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:31:05,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:31:05,015 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:31:05,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:31:05,016 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:31:05,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:31:05,016 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:31:05,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:31:05,017 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:31:05,017 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:31:05,018 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:31:05,018 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:31:05,018 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:31:05,018 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:31:05,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:31:05,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:31:05,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:31:05,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:31:05,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:31:05,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:31:05,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:31:05,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:31:05,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:31:05,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:31:05,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:31:05,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:31:05,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:31:05,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:31:05,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:31:05,024 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:31:05,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:31:05,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:31:05,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:31:05,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:31:05,025 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_cc49fa52-798a-464e-8876-3fd078ba012d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 [2021-11-25 19:31:05,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:31:05,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:31:05,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:31:05,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:31:05,312 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:31:05,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 19:31:05,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/data/3a6592efc/0777fd9f3aee4eb1951ea6df283585b9/FLAG4a698f0bc [2021-11-25 19:31:06,500 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:31:06,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 19:31:06,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/data/3a6592efc/0777fd9f3aee4eb1951ea6df283585b9/FLAG4a698f0bc [2021-11-25 19:31:06,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/data/3a6592efc/0777fd9f3aee4eb1951ea6df283585b9 [2021-11-25 19:31:06,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:31:06,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:31:06,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:31:06,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:31:06,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:31:06,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:06" (1/1) ... [2021-11-25 19:31:06,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d74bed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:06, skipping insertion in model container [2021-11-25 19:31:06,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:06" (1/1) ... [2021-11-25 19:31:06,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:31:07,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:31:13,140 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-25 19:31:13,143 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-25 19:31:13,144 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-25 19:31:13,144 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-25 19:31:13,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:31:13,336 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:31:14,363 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-25 19:31:14,363 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-25 19:31:14,364 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-25 19:31:14,365 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_cc49fa52-798a-464e-8876-3fd078ba012d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-25 19:31:14,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:31:14,821 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:31:14,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14 WrapperNode [2021-11-25 19:31:14,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:31:14,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:31:14,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:31:14,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:31:14,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,525 INFO L137 Inliner]: procedures = 667, calls = 4931, calls flagged for inlining = 350, calls inlined = 343, statements flattened = 12869 [2021-11-25 19:31:15,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:31:15,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:31:15,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:31:15,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:31:15,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:15,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:16,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:16,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:31:16,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:31:16,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:31:16,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:31:16,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (1/1) ... [2021-11-25 19:31:16,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:31:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:31:16,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:31:16,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc49fa52-798a-464e-8876-3fd078ba012d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:31:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-25 19:31:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-25 19:31:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 19:31:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 19:31:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-25 19:31:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-25 19:31:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-25 19:31:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-25 19:31:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:31:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:31:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:31:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:31:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 19:31:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 19:31:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-25 19:31:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-25 19:31:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-25 19:31:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-25 19:31:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-25 19:31:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-25 19:31:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-25 19:31:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-25 19:31:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:31:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:31:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-25 19:31:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-25 19:31:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 19:31:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 19:31:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-25 19:31:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-25 19:31:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-25 19:31:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-25 19:31:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-25 19:31:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-25 19:31:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-25 19:31:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-25 19:31:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-25 19:31:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-25 19:31:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-25 19:31:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-25 19:31:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-25 19:31:16,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-25 19:31:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 19:31:16,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 19:31:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-25 19:31:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-25 19:31:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-25 19:31:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-25 19:31:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:31:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:31:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:31:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:31:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-25 19:31:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-25 19:31:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 19:31:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 19:31:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-25 19:31:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-25 19:31:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:31:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:31:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-25 19:31:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-25 19:31:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-25 19:31:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-25 19:31:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:31:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-25 19:31:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-25 19:31:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-25 19:31:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-25 19:31:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:31:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:31:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 19:31:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 19:31:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 19:31:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 19:31:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 19:31:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 19:31:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 19:31:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 19:31:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 19:31:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-25 19:31:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:31:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:31:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 19:31:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 19:31:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:31:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:31:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-25 19:31:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-25 19:31:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 19:31:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 19:31:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:31:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-25 19:31:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-25 19:31:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-25 19:31:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-25 19:31:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-25 19:31:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-25 19:31:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-25 19:31:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-25 19:31:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-25 19:31:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-25 19:31:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 19:31:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 19:31:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 19:31:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 19:31:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-25 19:31:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-25 19:31:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-25 19:31:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-25 19:31:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:31:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:31:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:31:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:31:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-25 19:31:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-25 19:31:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-25 19:31:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-25 19:31:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 19:31:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 19:31:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-25 19:31:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-25 19:31:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:31:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:31:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:31:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 19:31:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 19:31:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-25 19:31:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-25 19:31:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:31:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:31:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:31:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:31:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:31:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-25 19:31:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-25 19:31:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:31:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:31:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:31:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:31:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:31:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-25 19:31:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-25 19:31:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:31:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:31:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:31:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:31:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 19:31:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 19:31:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 19:31:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 19:31:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-25 19:31:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-25 19:31:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:31:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:31:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:31:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:31:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:31:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:31:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:31:16,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:31:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-25 19:31:16,458 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-25 19:31:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 19:31:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 19:31:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-25 19:31:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-25 19:31:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:31:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:31:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-25 19:31:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-25 19:31:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:31:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 19:31:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 19:31:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 19:31:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 19:31:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-25 19:31:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-25 19:31:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 19:31:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 19:31:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-25 19:31:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-25 19:31:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:31:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 19:31:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 19:31:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-25 19:31:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-25 19:31:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:31:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:31:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:31:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:31:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:31:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-25 19:31:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-25 19:31:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:31:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:31:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:31:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 19:31:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 19:31:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 19:31:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 19:31:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:31:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:31:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-25 19:31:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-25 19:31:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-25 19:31:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-25 19:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-25 19:31:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-25 19:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:31:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:31:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-25 19:31:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-25 19:31:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-25 19:31:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-25 19:31:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-25 19:31:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-25 19:31:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:31:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:31:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 19:31:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 19:31:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 19:31:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 19:31:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:31:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:31:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-25 19:31:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-25 19:31:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 19:31:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 19:31:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-25 19:31:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-25 19:31:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 19:31:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 19:31:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-25 19:31:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-25 19:31:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:31:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:31:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-25 19:31:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-25 19:31:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 19:31:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 19:31:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-25 19:31:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-25 19:31:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-25 19:31:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-25 19:31:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:31:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:31:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-25 19:31:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-25 19:31:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 19:31:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 19:31:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:31:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:31:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-25 19:31:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-25 19:31:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-25 19:31:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-25 19:31:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 19:31:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-25 19:31:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-25 19:31:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-25 19:31:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:31:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:31:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:31:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:31:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-25 19:31:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-25 19:31:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:31:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:31:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 19:31:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 19:31:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-25 19:31:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-25 19:31:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-25 19:31:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-25 19:31:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 19:31:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 19:31:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:31:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:31:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 19:31:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 19:31:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 19:31:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 19:31:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 19:31:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:31:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:31:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-25 19:31:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-25 19:31:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 19:31:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 19:31:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 19:31:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 19:31:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 19:31:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 19:31:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:31:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:31:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 19:31:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-25 19:31:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:31:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:31:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-25 19:31:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-25 19:31:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 19:31:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 19:31:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 19:31:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 19:31:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-25 19:31:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-25 19:31:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-25 19:31:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-25 19:31:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 19:31:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 19:31:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:31:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:31:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:31:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-25 19:31:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-25 19:31:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-25 19:31:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-25 19:31:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 19:31:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 19:31:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:31:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-25 19:31:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-25 19:31:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-25 19:31:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-25 19:31:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-25 19:31:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-25 19:31:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-25 19:31:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-25 19:31:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:31:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-25 19:31:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-25 19:31:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:31:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:31:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-25 19:31:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-25 19:31:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 19:31:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 19:31:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:31:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:31:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 19:31:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 19:31:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-25 19:31:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-25 19:31:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-25 19:31:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-25 19:31:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 19:31:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 19:31:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 19:31:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 19:31:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:31:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:31:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:31:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:31:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-25 19:31:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-25 19:31:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-25 19:31:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-25 19:31:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 19:31:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 19:31:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-25 19:31:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-25 19:31:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:31:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:31:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-25 19:31:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-25 19:31:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-25 19:31:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-25 19:31:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 19:31:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-25 19:31:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-25 19:31:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-25 19:31:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-25 19:31:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-25 19:31:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-25 19:31:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-25 19:31:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-25 19:31:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-25 19:31:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-25 19:31:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-25 19:31:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-25 19:31:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-25 19:31:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-25 19:31:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-25 19:31:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-25 19:31:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-25 19:31:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:31:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:31:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 19:31:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 19:31:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-25 19:31:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-25 19:31:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-25 19:31:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-25 19:31:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-25 19:31:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-25 19:31:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:31:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:31:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 19:31:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 19:31:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:31:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:31:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:31:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-25 19:31:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-25 19:31:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-25 19:31:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-25 19:31:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-25 19:31:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-25 19:31:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-25 19:31:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-25 19:31:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:31:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:31:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-25 19:31:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-25 19:31:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-25 19:31:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-25 19:31:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-25 19:31:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-25 19:31:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:31:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:31:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-25 19:31:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-25 19:31:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-25 19:31:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-25 19:31:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 19:31:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 19:31:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-25 19:31:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-25 19:31:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 19:31:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 19:31:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-25 19:31:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-25 19:31:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-25 19:31:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-25 19:31:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-25 19:31:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-25 19:31:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-25 19:31:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-25 19:31:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 19:31:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 19:31:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-25 19:31:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-25 19:31:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-25 19:31:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-25 19:31:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 19:31:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 19:31:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 19:31:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 19:31:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-25 19:31:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-25 19:31:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-25 19:31:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-25 19:31:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:31:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:31:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 19:31:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 19:31:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:31:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:31:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-25 19:31:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-25 19:31:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 19:31:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 19:31:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:31:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:31:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:31:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:31:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-25 19:31:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-25 19:31:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:31:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:31:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:31:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-25 19:31:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-25 19:31:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-25 19:31:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-25 19:31:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:31:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:31:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 19:31:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 19:31:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-25 19:31:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-25 19:31:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-25 19:31:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-25 19:31:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-25 19:31:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-25 19:31:18,304 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:31:18,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:31:18,734 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:43:36,584 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 19:43:36,758 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:43:43,537 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:43:43,538 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 19:43:43,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:43:43 BoogieIcfgContainer [2021-11-25 19:43:43,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:43:43,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:43:43,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:43:43,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:43:43,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:31:06" (1/3) ... [2021-11-25 19:43:43,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9ed9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:43:43, skipping insertion in model container [2021-11-25 19:43:43,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:14" (2/3) ... [2021-11-25 19:43:43,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9ed9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:43:43, skipping insertion in model container [2021-11-25 19:43:43,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:43:43" (3/3) ... [2021-11-25 19:43:43,554 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-25 19:43:43,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:43:43,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:43:43,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:43:43,628 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 19:43:43,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:43:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) [2021-11-25 19:43:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-25 19:43:43,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:43:43,723 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:43:43,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:43:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:43:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1360575847, now seen corresponding path program 1 times [2021-11-25 19:43:43,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:43:43,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214074715] [2021-11-25 19:43:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:43:43,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:43:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:43:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-25 19:43:45,570 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:43:45,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214074715] [2021-11-25 19:43:45,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214074715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:43:45,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:43:45,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:43:45,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042651811] [2021-11-25 19:43:45,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:43:45,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:43:45,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:43:45,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:43:45,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:43:45,629 INFO L87 Difference]: Start difference. First operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 19:43:47,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:54,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:57,929 WARN L534 Checker$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 19:44:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:01,719 INFO L93 Difference]: Finished difference Result 9779 states and 13947 transitions. [2021-11-25 19:44:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:44:01,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 167 [2021-11-25 19:44:01,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:01,830 INFO L225 Difference]: With dead ends: 9779 [2021-11-25 19:44:01,831 INFO L226 Difference]: Without dead ends: 6498 [2021-11-25 19:44:01,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:44:01,868 INFO L933 BasicCegarLoop]: 5147 mSDtfsCounter, 4590 mSDsluCounter, 4667 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 9254 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:01,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4598 Valid, 9254 Invalid, 1145 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1139 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2021-11-25 19:44:01,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2021-11-25 19:44:02,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 6496. [2021-11-25 19:44:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6496 states, 3990 states have (on average 1.2954887218045112) internal successors, (5169), 4078 states have internal predecessors, (5169), 2043 states have call successors, (2043), 463 states have call predecessors, (2043), 462 states have return successors, (2044), 2015 states have call predecessors, (2044), 2040 states have call successors, (2044) [2021-11-25 19:44:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6496 states to 6496 states and 9256 transitions. [2021-11-25 19:44:02,436 INFO L78 Accepts]: Start accepts. Automaton has 6496 states and 9256 transitions. Word has length 167 [2021-11-25 19:44:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:02,438 INFO L470 AbstractCegarLoop]: Abstraction has 6496 states and 9256 transitions. [2021-11-25 19:44:02,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-25 19:44:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 6496 states and 9256 transitions. [2021-11-25 19:44:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-25 19:44:02,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:02,453 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:02,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:44:02,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:44:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:02,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1406574247, now seen corresponding path program 1 times [2021-11-25 19:44:02,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:02,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835624175] [2021-11-25 19:44:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:02,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-25 19:44:03,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:03,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835624175] [2021-11-25 19:44:03,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835624175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:03,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:44:03,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:44:03,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918251731] [2021-11-25 19:44:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:03,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:44:03,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:03,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:44:03,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:44:03,896 INFO L87 Difference]: Start difference. First operand 6496 states and 9256 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 19:44:06,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:14,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:19,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:22,328 WARN L534 Checker$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 19:44:28,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:28,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:28,692 INFO L93 Difference]: Finished difference Result 6625 states and 9413 transitions. [2021-11-25 19:44:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:44:28,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 205 [2021-11-25 19:44:28,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:28,751 INFO L225 Difference]: With dead ends: 6625 [2021-11-25 19:44:28,751 INFO L226 Difference]: Without dead ends: 6623 [2021-11-25 19:44:28,758 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 19:44:28,759 INFO L933 BasicCegarLoop]: 4144 mSDtfsCounter, 4623 mSDsluCounter, 9583 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 12554 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:28,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4629 Valid, 12554 Invalid, 1754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1751 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2021-11-25 19:44:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2021-11-25 19:44:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6622. [2021-11-25 19:44:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6622 states, 4065 states have (on average 1.2937269372693727) internal successors, (5259), 4155 states have internal predecessors, (5259), 2073 states have call successors, (2073), 483 states have call predecessors, (2073), 483 states have return successors, (2078), 2044 states have call predecessors, (2078), 2070 states have call successors, (2078) [2021-11-25 19:44:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6622 states to 6622 states and 9410 transitions. [2021-11-25 19:44:29,133 INFO L78 Accepts]: Start accepts. Automaton has 6622 states and 9410 transitions. Word has length 205 [2021-11-25 19:44:29,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:29,134 INFO L470 AbstractCegarLoop]: Abstraction has 6622 states and 9410 transitions. [2021-11-25 19:44:29,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 19:44:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6622 states and 9410 transitions. [2021-11-25 19:44:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 19:44:29,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:29,145 INFO L514 BasicCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:29,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:44:29,145 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:44:29,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:29,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2110711881, now seen corresponding path program 1 times [2021-11-25 19:44:29,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:29,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349463189] [2021-11-25 19:44:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:29,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2021-11-25 19:44:30,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:30,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349463189] [2021-11-25 19:44:30,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349463189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:30,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:44:30,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:44:30,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103974838] [2021-11-25 19:44:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:30,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:44:30,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:30,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:44:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:44:30,499 INFO L87 Difference]: Start difference. First operand 6622 states and 9410 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 19:44:32,659 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 19:44:38,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:40,924 WARN L534 Checker$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 19:44:44,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:47,338 WARN L534 Checker$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 19:44:49,780 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 []