./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef3ce825b6667e16bfc4665f699fd391a0ee0a69894a82ad8db779b4c9f29246 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:22:12,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:22:12,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:22:12,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:22:12,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:22:12,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:22:12,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:22:12,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:22:12,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:22:12,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:22:12,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:22:12,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:22:12,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:22:12,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:22:12,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:22:12,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:22:12,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:22:12,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:22:12,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:22:12,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:22:12,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:22:12,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:22:12,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:22:12,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:22:12,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:22:12,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:22:12,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:22:12,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:22:12,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:22:12,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:22:12,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:22:12,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:22:12,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:22:12,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:22:12,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:22:12,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:22:12,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:22:12,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:22:12,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:22:12,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:22:12,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:22:12,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:22:12,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:22:12,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:22:12,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:22:12,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:22:12,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:22:12,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:22:12,884 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:22:12,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:22:12,884 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:22:12,885 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:22:12,885 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:22:12,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:22:12,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:22:12,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:22:12,886 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:22:12,886 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:22:12,886 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:22:12,890 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:22:12,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:22:12,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:22:12,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:22:12,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:22:12,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:22:12,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:22:12,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:22:12,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:22:12,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:22:12,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:22:12,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:22:12,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:12,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:22:12,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:22:12,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:22:12,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:22:12,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:22:12,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:22:12,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:22:12,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:22:12,897 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_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3ce825b6667e16bfc4665f699fd391a0ee0a69894a82ad8db779b4c9f29246 [2021-11-21 01:22:13,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:22:13,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:22:13,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:22:13,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:22:13,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:22:13,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-21 01:22:13,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/data/505670cf2/6df0798d0576446fbc300f004a8adc44/FLAG8fda2ce78 [2021-11-21 01:22:14,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:22:14,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-21 01:22:14,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/data/505670cf2/6df0798d0576446fbc300f004a8adc44/FLAG8fda2ce78 [2021-11-21 01:22:15,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/data/505670cf2/6df0798d0576446fbc300f004a8adc44 [2021-11-21 01:22:15,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:22:15,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:22:15,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:15,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:22:15,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:22:15,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:15" (1/1) ... [2021-11-21 01:22:15,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c4cee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:15, skipping insertion in model container [2021-11-21 01:22:15,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:15" (1/1) ... [2021-11-21 01:22:15,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:22:15,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:22:25,378 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831475,831488] [2021-11-21 01:22:25,382 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831641,831654] [2021-11-21 01:22:25,382 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831805,831818] [2021-11-21 01:22:25,383 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831970,831983] [2021-11-21 01:22:25,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:25,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:22:26,699 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831475,831488] [2021-11-21 01:22:26,701 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831641,831654] [2021-11-21 01:22:26,701 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831805,831818] [2021-11-21 01:22:26,702 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_6549b8f6-597b-4553-978a-9a7c46465528/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i[831970,831983] [2021-11-21 01:22:26,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:27,127 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:22:27,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27 WrapperNode [2021-11-21 01:22:27,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:27,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:27,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:22:27,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:22:27,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:27,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,164 INFO L137 Inliner]: procedures = 732, calls = 7609, calls flagged for inlining = 375, calls inlined = 368, statements flattened = 19517 [2021-11-21 01:22:28,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:28,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:22:28,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:22:28,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:22:28,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:28,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:29,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:29,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:22:29,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:22:29,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:22:29,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:22:29,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (1/1) ... [2021-11-21 01:22:29,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:29,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:22:29,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:22:29,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:22:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2021-11-21 01:22:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2021-11-21 01:22:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2021-11-21 01:22:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2021-11-21 01:22:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2021-11-21 01:22:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2021-11-21 01:22:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-21 01:22:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-21 01:22:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2021-11-21 01:22:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2021-11-21 01:22:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 01:22:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 01:22:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2021-11-21 01:22:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2021-11-21 01:22:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2021-11-21 01:22:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2021-11-21 01:22:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:22:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:22:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-21 01:22:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-21 01:22:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 01:22:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 01:22:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2021-11-21 01:22:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2021-11-21 01:22:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2021-11-21 01:22:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2021-11-21 01:22:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-21 01:22:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-21 01:22:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-21 01:22:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-21 01:22:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2021-11-21 01:22:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2021-11-21 01:22:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:22:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:22:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2021-11-21 01:22:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2021-11-21 01:22:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2021-11-21 01:22:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2021-11-21 01:22:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-21 01:22:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-21 01:22:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2021-11-21 01:22:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2021-11-21 01:22:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 01:22:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 01:22:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2021-11-21 01:22:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2021-11-21 01:22:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2021-11-21 01:22:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2021-11-21 01:22:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2021-11-21 01:22:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2021-11-21 01:22:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-21 01:22:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-21 01:22:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 01:22:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 01:22:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 01:22:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 01:22:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 01:22:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 01:22:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-21 01:22:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-21 01:22:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-21 01:22:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-21 01:22:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2021-11-21 01:22:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2021-11-21 01:22:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2021-11-21 01:22:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2021-11-21 01:22:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2021-11-21 01:22:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2021-11-21 01:22:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-21 01:22:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-21 01:22:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2021-11-21 01:22:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2021-11-21 01:22:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2021-11-21 01:22:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2021-11-21 01:22:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:22:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:22:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2021-11-21 01:22:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2021-11-21 01:22:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2021-11-21 01:22:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2021-11-21 01:22:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2021-11-21 01:22:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2021-11-21 01:22:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2021-11-21 01:22:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2021-11-21 01:22:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2021-11-21 01:22:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2021-11-21 01:22:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2021-11-21 01:22:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2021-11-21 01:22:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2021-11-21 01:22:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2021-11-21 01:22:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2021-11-21 01:22:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2021-11-21 01:22:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_29 [2021-11-21 01:22:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_29 [2021-11-21 01:22:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 01:22:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 01:22:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:22:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:22:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2021-11-21 01:22:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2021-11-21 01:22:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 01:22:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 01:22:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 01:22:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 01:22:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 01:22:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 01:22:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:22:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:22:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 01:22:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 01:22:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-21 01:22:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-21 01:22:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2021-11-21 01:22:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2021-11-21 01:22:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:22:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-21 01:22:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-21 01:22:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-11-21 01:22:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-11-21 01:22:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2021-11-21 01:22:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2021-11-21 01:22:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 01:22:29,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 01:22:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 01:22:29,412 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 01:22:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 01:22:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 01:22:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2021-11-21 01:22:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2021-11-21 01:22:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2021-11-21 01:22:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2021-11-21 01:22:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:22:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:22:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:22:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:22:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-21 01:22:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-21 01:22:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:22:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 01:22:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 01:22:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2021-11-21 01:22:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2021-11-21 01:22:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2021-11-21 01:22:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2021-11-21 01:22:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2021-11-21 01:22:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2021-11-21 01:22:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 01:22:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 01:22:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-21 01:22:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-21 01:22:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 01:22:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 01:22:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2021-11-21 01:22:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2021-11-21 01:22:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2021-11-21 01:22:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2021-11-21 01:22:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:22:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2021-11-21 01:22:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2021-11-21 01:22:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:22:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:22:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2021-11-21 01:22:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2021-11-21 01:22:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:22:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 01:22:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 01:22:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-21 01:22:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-21 01:22:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:22:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:22:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 01:22:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 01:22:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2021-11-21 01:22:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2021-11-21 01:22:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2021-11-21 01:22:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2021-11-21 01:22:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 01:22:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 01:22:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2021-11-21 01:22:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2021-11-21 01:22:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 01:22:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 01:22:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2021-11-21 01:22:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2021-11-21 01:22:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-21 01:22:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-21 01:22:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 01:22:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 01:22:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2021-11-21 01:22:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2021-11-21 01:22:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2021-11-21 01:22:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2021-11-21 01:22:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-21 01:22:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-21 01:22:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2021-11-21 01:22:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2021-11-21 01:22:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2021-11-21 01:22:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2021-11-21 01:22:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2021-11-21 01:22:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2021-11-21 01:22:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 01:22:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 01:22:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 01:22:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 01:22:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2021-11-21 01:22:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2021-11-21 01:22:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2021-11-21 01:22:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2021-11-21 01:22:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2021-11-21 01:22:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2021-11-21 01:22:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-21 01:22:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-21 01:22:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2021-11-21 01:22:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2021-11-21 01:22:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2021-11-21 01:22:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2021-11-21 01:22:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2021-11-21 01:22:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2021-11-21 01:22:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:22:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 01:22:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 01:22:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 01:22:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 01:22:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-21 01:22:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-21 01:22:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 01:22:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 01:22:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:22:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2021-11-21 01:22:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2021-11-21 01:22:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-21 01:22:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-21 01:22:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:22:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2021-11-21 01:22:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2021-11-21 01:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 01:22:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 01:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:22:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:22:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:22:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:22:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-21 01:22:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-21 01:22:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 01:22:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 01:22:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2021-11-21 01:22:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2021-11-21 01:22:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2021-11-21 01:22:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2021-11-21 01:22:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2021-11-21 01:22:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2021-11-21 01:22:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 01:22:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 01:22:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:22:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:22:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-21 01:22:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-21 01:22:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2021-11-21 01:22:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2021-11-21 01:22:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2021-11-21 01:22:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2021-11-21 01:22:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2021-11-21 01:22:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2021-11-21 01:22:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2021-11-21 01:22:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2021-11-21 01:22:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2021-11-21 01:22:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2021-11-21 01:22:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2021-11-21 01:22:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2021-11-21 01:22:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2021-11-21 01:22:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2021-11-21 01:22:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 01:22:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 01:22:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-21 01:22:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-21 01:22:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2021-11-21 01:22:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2021-11-21 01:22:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2021-11-21 01:22:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2021-11-21 01:22:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 01:22:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 01:22:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 01:22:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 01:22:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2021-11-21 01:22:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2021-11-21 01:22:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-21 01:22:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-21 01:22:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-21 01:22:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-21 01:22:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2021-11-21 01:22:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2021-11-21 01:22:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2021-11-21 01:22:29,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2021-11-21 01:22:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2021-11-21 01:22:29,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2021-11-21 01:22:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2021-11-21 01:22:29,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2021-11-21 01:22:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 01:22:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 01:22:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 01:22:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 01:22:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2021-11-21 01:22:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2021-11-21 01:22:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2021-11-21 01:22:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2021-11-21 01:22:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2021-11-21 01:22:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2021-11-21 01:22:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2021-11-21 01:22:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2021-11-21 01:22:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:22:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:22:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-21 01:22:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-21 01:22:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2021-11-21 01:22:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2021-11-21 01:22:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2021-11-21 01:22:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2021-11-21 01:22:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_27 [2021-11-21 01:22:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_27 [2021-11-21 01:22:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2021-11-21 01:22:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2021-11-21 01:22:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 01:22:29,455 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 01:22:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2021-11-21 01:22:29,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2021-11-21 01:22:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2021-11-21 01:22:29,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2021-11-21 01:22:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2021-11-21 01:22:29,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2021-11-21 01:22:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:22:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:22:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:22:29,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:22:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:22:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:22:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2021-11-21 01:22:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2021-11-21 01:22:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-21 01:22:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-21 01:22:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2021-11-21 01:22:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2021-11-21 01:22:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-21 01:22:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-21 01:22:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 01:22:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 01:22:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-21 01:22:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-21 01:22:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2021-11-21 01:22:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2021-11-21 01:22:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 01:22:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2021-11-21 01:22:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2021-11-21 01:22:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 01:22:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 01:22:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2021-11-21 01:22:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2021-11-21 01:22:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 01:22:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 01:22:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-21 01:22:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-21 01:22:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-21 01:22:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-21 01:22:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2021-11-21 01:22:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2021-11-21 01:22:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2021-11-21 01:22:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2021-11-21 01:22:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2021-11-21 01:22:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2021-11-21 01:22:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-21 01:22:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-21 01:22:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-21 01:22:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-21 01:22:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 01:22:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 01:22:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-21 01:22:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-21 01:22:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:22:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:22:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-21 01:22:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-21 01:22:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2021-11-21 01:22:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2021-11-21 01:22:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2021-11-21 01:22:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2021-11-21 01:22:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2021-11-21 01:22:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2021-11-21 01:22:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-21 01:22:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-21 01:22:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2021-11-21 01:22:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2021-11-21 01:22:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 01:22:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 01:22:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-21 01:22:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-21 01:22:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:22:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2021-11-21 01:22:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2021-11-21 01:22:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 01:22:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 01:22:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2021-11-21 01:22:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2021-11-21 01:22:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-21 01:22:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-21 01:22:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 01:22:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 01:22:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:22:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2021-11-21 01:22:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2021-11-21 01:22:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2021-11-21 01:22:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2021-11-21 01:22:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2021-11-21 01:22:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2021-11-21 01:22:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2021-11-21 01:22:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2021-11-21 01:22:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2021-11-21 01:22:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2021-11-21 01:22:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:22:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 01:22:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 01:22:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2021-11-21 01:22:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2021-11-21 01:22:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2021-11-21 01:22:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2021-11-21 01:22:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2021-11-21 01:22:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2021-11-21 01:22:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 01:22:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 01:22:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 01:22:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 01:22:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-21 01:22:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-21 01:22:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-21 01:22:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-21 01:22:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:22:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:22:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-21 01:22:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-21 01:22:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:22:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:22:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2021-11-21 01:22:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2021-11-21 01:22:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2021-11-21 01:22:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2021-11-21 01:22:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 01:22:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 01:22:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2021-11-21 01:22:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2021-11-21 01:22:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2021-11-21 01:22:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2021-11-21 01:22:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 01:22:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 01:22:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2021-11-21 01:22:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2021-11-21 01:22:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2021-11-21 01:22:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2021-11-21 01:22:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2021-11-21 01:22:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2021-11-21 01:22:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2021-11-21 01:22:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2021-11-21 01:22:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 01:22:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 01:22:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2021-11-21 01:22:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2021-11-21 01:22:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-21 01:22:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-21 01:22:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2021-11-21 01:22:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2021-11-21 01:22:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2021-11-21 01:22:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2021-11-21 01:22:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 01:22:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 01:22:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:22:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:22:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 01:22:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 01:22:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-21 01:22:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-21 01:22:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2021-11-21 01:22:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2021-11-21 01:22:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-11-21 01:22:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-11-21 01:22:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-21 01:22:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-21 01:22:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2021-11-21 01:22:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2021-11-21 01:22:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-21 01:22:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-21 01:22:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:22:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:22:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2021-11-21 01:22:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2021-11-21 01:22:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:22:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:22:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2021-11-21 01:22:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2021-11-21 01:22:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:22:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2021-11-21 01:22:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2021-11-21 01:22:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-21 01:22:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-21 01:22:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:22:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:22:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2021-11-21 01:22:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2021-11-21 01:22:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2021-11-21 01:22:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2021-11-21 01:22:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-21 01:22:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-21 01:22:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:22:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:22:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-21 01:22:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-21 01:22:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 01:22:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 01:22:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-21 01:22:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-21 01:22:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2021-11-21 01:22:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2021-11-21 01:22:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-21 01:22:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-21 01:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2021-11-21 01:22:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2021-11-21 01:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2021-11-21 01:22:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2021-11-21 01:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2021-11-21 01:22:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2021-11-21 01:22:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-21 01:22:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-21 01:22:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2021-11-21 01:22:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2021-11-21 01:22:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2021-11-21 01:22:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2021-11-21 01:22:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2021-11-21 01:22:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2021-11-21 01:22:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-21 01:22:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-21 01:22:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2021-11-21 01:22:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2021-11-21 01:22:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 01:22:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 01:22:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2021-11-21 01:22:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2021-11-21 01:22:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-21 01:22:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-21 01:22:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2021-11-21 01:22:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2021-11-21 01:22:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2021-11-21 01:22:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2021-11-21 01:22:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-21 01:22:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-21 01:22:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:22:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:22:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2021-11-21 01:22:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2021-11-21 01:22:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2021-11-21 01:22:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2021-11-21 01:22:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2021-11-21 01:22:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2021-11-21 01:22:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-21 01:22:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-21 01:22:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:22:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:22:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:22:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:22:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 01:22:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 01:22:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2021-11-21 01:22:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2021-11-21 01:22:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2021-11-21 01:22:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2021-11-21 01:22:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2021-11-21 01:22:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2021-11-21 01:22:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2021-11-21 01:22:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2021-11-21 01:22:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:22:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2021-11-21 01:22:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2021-11-21 01:22:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-21 01:22:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-21 01:22:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 01:22:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 01:22:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-21 01:22:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-21 01:22:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-21 01:22:32,061 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:22:32,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:22:40,135 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:30:42,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 01:30:43,223 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:30:51,607 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:30:51,607 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-21 01:30:51,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:51 BoogieIcfgContainer [2021-11-21 01:30:51,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:30:51,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:30:51,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:30:51,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:30:51,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:22:15" (1/3) ... [2021-11-21 01:30:51,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2199a538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:51, skipping insertion in model container [2021-11-21 01:30:51,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:27" (2/3) ... [2021-11-21 01:30:51,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2199a538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:51, skipping insertion in model container [2021-11-21 01:30:51,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:51" (3/3) ... [2021-11-21 01:30:51,626 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-21 01:30:51,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:30:51,631 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:30:51,698 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:30:51,704 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 [2021-11-21 01:30:51,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:30:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 4656 states, 2974 states have (on average 1.3490248823133826) internal successors, (4012), 3051 states have internal predecessors, (4012), 1399 states have call successors, (1399), 285 states have call predecessors, (1399), 284 states have return successors, (1390), 1370 states have call predecessors, (1390), 1390 states have call successors, (1390) [2021-11-21 01:30:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-21 01:30:51,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:51,826 INFO L514 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:51,826 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] === [2021-11-21 01:30:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash -283870973, now seen corresponding path program 1 times [2021-11-21 01:30:51,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:51,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178454140] [2021-11-21 01:30:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:51,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2021-11-21 01:30:53,287 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:53,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178454140] [2021-11-21 01:30:53,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178454140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:53,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:53,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:30:53,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634344597] [2021-11-21 01:30:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:53,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:30:53,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:53,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:30:53,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:30:53,360 INFO L87 Difference]: Start difference. First operand has 4656 states, 2974 states have (on average 1.3490248823133826) internal successors, (4012), 3051 states have internal predecessors, (4012), 1399 states have call successors, (1399), 285 states have call predecessors, (1399), 284 states have return successors, (1390), 1370 states have call predecessors, (1390), 1390 states have call successors, (1390) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-21 01:30:55,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:58,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:00,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:04,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:06,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:10,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:15,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:17,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:20,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:25,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:31:32,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:34,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:39,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:41,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:44,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:45,416 INFO L93 Difference]: Finished difference Result 13296 states and 19681 transitions. [2021-11-21 01:31:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:31:45,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2021-11-21 01:31:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:45,538 INFO L225 Difference]: With dead ends: 13296 [2021-11-21 01:31:45,538 INFO L226 Difference]: Without dead ends: 8664 [2021-11-21 01:31:45,584 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 [2021-11-21 01:31:45,588 INFO L933 BasicCegarLoop]: 7847 mSDtfsCounter, 5911 mSDsluCounter, 6687 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 11 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5920 SdHoareTripleChecker+Valid, 13726 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:45,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5920 Valid, 13726 Invalid, 1801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1777 Invalid, 13 Unknown, 0 Unchecked, 51.1s Time] [2021-11-21 01:31:45,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2021-11-21 01:31:46,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8660. [2021-11-21 01:31:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8660 states, 5549 states have (on average 1.3476302036402956) internal successors, (7478), 5686 states have internal predecessors, (7478), 2567 states have call successors, (2567), 544 states have call predecessors, (2567), 543 states have return successors, (2568), 2522 states have call predecessors, (2568), 2563 states have call successors, (2568) [2021-11-21 01:31:46,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8660 states to 8660 states and 12613 transitions. [2021-11-21 01:31:46,450 INFO L78 Accepts]: Start accepts. Automaton has 8660 states and 12613 transitions. Word has length 211 [2021-11-21 01:31:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:46,455 INFO L470 AbstractCegarLoop]: Abstraction has 8660 states and 12613 transitions. [2021-11-21 01:31:46,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-21 01:31:46,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8660 states and 12613 transitions. [2021-11-21 01:31:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-21 01:31:46,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:46,495 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:46,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:31:46,497 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] === [2021-11-21 01:31:46,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:46,502 INFO L85 PathProgramCache]: Analyzing trace with hash -332520991, now seen corresponding path program 1 times [2021-11-21 01:31:46,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:46,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561412052] [2021-11-21 01:31:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:46,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-21 01:31:47,526 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:47,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561412052] [2021-11-21 01:31:47,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561412052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:47,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:47,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:31:47,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922708327] [2021-11-21 01:31:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:47,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:31:47,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:47,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:31:47,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:31:47,530 INFO L87 Difference]: Start difference. First operand 8660 states and 12613 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:31:49,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:53,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:58,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:00,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:04,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:10,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:12,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:15,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:19,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:32:21,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:25,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:27,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:30,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:32,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:36,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:38,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:40,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:42,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:32:42,299 INFO L93 Difference]: Finished difference Result 14209 states and 20824 transitions. [2021-11-21 01:32:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:32:42,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 263 [2021-11-21 01:32:42,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:32:42,401 INFO L225 Difference]: With dead ends: 14209 [2021-11-21 01:32:42,402 INFO L226 Difference]: Without dead ends: 9585 [2021-11-21 01:32:42,438 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 [2021-11-21 01:32:42,440 INFO L933 BasicCegarLoop]: 7156 mSDtfsCounter, 877 mSDsluCounter, 7012 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 5 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 13350 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:32:42,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1171 Valid, 13350 Invalid, 1863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1844 Invalid, 14 Unknown, 0 Unchecked, 54.3s Time] [2021-11-21 01:32:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9585 states. [2021-11-21 01:32:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9585 to 8671. [2021-11-21 01:32:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 5560 states have (on average 1.348201438848921) internal successors, (7496), 5697 states have internal predecessors, (7496), 2567 states have call successors, (2567), 544 states have call predecessors, (2567), 543 states have return successors, (2568), 2522 states have call predecessors, (2568), 2563 states have call successors, (2568) [2021-11-21 01:32:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 12631 transitions. [2021-11-21 01:32:43,274 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 12631 transitions. Word has length 263 [2021-11-21 01:32:43,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:32:43,276 INFO L470 AbstractCegarLoop]: Abstraction has 8671 states and 12631 transitions. [2021-11-21 01:32:43,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:32:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 12631 transitions. [2021-11-21 01:32:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 01:32:43,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:32:43,300 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:32:43,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:32:43,301 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] === [2021-11-21 01:32:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:32:43,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2125419854, now seen corresponding path program 1 times [2021-11-21 01:32:43,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:32:43,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500514890] [2021-11-21 01:32:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:32:43,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:32:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:32:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-21 01:32:44,052 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:32:44,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500514890] [2021-11-21 01:32:44,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500514890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:32:44,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:32:44,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:32:44,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913015343] [2021-11-21 01:32:44,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:32:44,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:32:44,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:32:44,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:32:44,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:32:44,055 INFO L87 Difference]: Start difference. First operand 8671 states and 12631 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:32:46,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:49,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:51,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:56,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:58,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:00,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:04,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:09,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:12,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:14,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:16,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:19,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:33:22,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:24,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:26,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:28,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:30,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:34,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:36,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:39,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:39,453 INFO L93 Difference]: Finished difference Result 14223 states and 20844 transitions. [2021-11-21 01:33:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:33:39,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 264 [2021-11-21 01:33:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:39,551 INFO L225 Difference]: With dead ends: 14223 [2021-11-21 01:33:39,551 INFO L226 Difference]: Without dead ends: 9588 [2021-11-21 01:33:39,584 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 [2021-11-21 01:33:39,586 INFO L933 BasicCegarLoop]: 7155 mSDtfsCounter, 865 mSDsluCounter, 7015 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 7 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 13349 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:39,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1159 Valid, 13349 Invalid, 1863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1840 Invalid, 16 Unknown, 0 Unchecked, 54.9s Time] [2021-11-21 01:33:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9588 states. [2021-11-21 01:33:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9588 to 8671. [2021-11-21 01:33:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 5560 states have (on average 1.3476618705035972) internal successors, (7493), 5697 states have internal predecessors, (7493), 2567 states have call successors, (2567), 544 states have call predecessors, (2567), 543 states have return successors, (2568), 2522 states have call predecessors, (2568), 2563 states have call successors, (2568) [2021-11-21 01:33:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 12628 transitions. [2021-11-21 01:33:40,351 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 12628 transitions. Word has length 264 [2021-11-21 01:33:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:40,353 INFO L470 AbstractCegarLoop]: Abstraction has 8671 states and 12628 transitions. [2021-11-21 01:33:40,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:33:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 12628 transitions. [2021-11-21 01:33:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-21 01:33:40,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:40,380 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:40,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:33:40,381 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:40,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:40,381 INFO L85 PathProgramCache]: Analyzing trace with hash -611603974, now seen corresponding path program 1 times [2021-11-21 01:33:40,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:33:40,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640081275] [2021-11-21 01:33:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:40,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:33:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-21 01:33:41,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:33:41,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640081275] [2021-11-21 01:33:41,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640081275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:41,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:41,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:33:41,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301807204] [2021-11-21 01:33:41,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:41,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:33:41,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:33:41,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:33:41,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:33:41,039 INFO L87 Difference]: Start difference. First operand 8671 states and 12628 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:33:43,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:46,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:48,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:53,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:59,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:05,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:07,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:09,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:13,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:34:17,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:19,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:21,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:22,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:24,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:28,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:31,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:34:31,548 INFO L93 Difference]: Finished difference Result 13307 states and 19375 transitions. [2021-11-21 01:34:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:34:31,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 265 [2021-11-21 01:34:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:34:31,604 INFO L225 Difference]: With dead ends: 13307 [2021-11-21 01:34:31,604 INFO L226 Difference]: Without dead ends: 8672 [2021-11-21 01:34:31,636 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 [2021-11-21 01:34:31,637 INFO L933 BasicCegarLoop]: 5920 mSDtfsCounter, 0 mSDsluCounter, 6726 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 0 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11828 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:34:31,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11828 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1656 Invalid, 14 Unknown, 0 Unchecked, 50.2s Time] [2021-11-21 01:34:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8672 states. [2021-11-21 01:34:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8672 to 8672. [2021-11-21 01:34:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8672 states, 5561 states have (on average 1.3475993526344183) internal successors, (7494), 5698 states have internal predecessors, (7494), 2567 states have call successors, (2567), 544 states have call predecessors, (2567), 543 states have return successors, (2568), 2522 states have call predecessors, (2568), 2563 states have call successors, (2568) [2021-11-21 01:34:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8672 states to 8672 states and 12629 transitions. [2021-11-21 01:34:32,193 INFO L78 Accepts]: Start accepts. Automaton has 8672 states and 12629 transitions. Word has length 265 [2021-11-21 01:34:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:34:32,199 INFO L470 AbstractCegarLoop]: Abstraction has 8672 states and 12629 transitions. [2021-11-21 01:34:32,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-21 01:34:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 8672 states and 12629 transitions. [2021-11-21 01:34:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 01:34:32,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:34:32,225 INFO L514 BasicCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:34:32,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:34:32,226 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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] === [2021-11-21 01:34:32,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:34:32,226 INFO L85 PathProgramCache]: Analyzing trace with hash -365930480, now seen corresponding path program 1 times [2021-11-21 01:34:32,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:34:32,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372332108] [2021-11-21 01:34:32,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:34:32,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:34:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:34:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-21 01:34:32,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:34:32,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372332108] [2021-11-21 01:34:32,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372332108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:34:32,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706477623] [2021-11-21 01:34:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:34:32,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:34:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:34:32,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:34:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6549b8f6-597b-4553-978a-9a7c46465528/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:34:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:34:35,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 5790 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:34:35,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:34:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2021-11-21 01:34:36,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:34:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2021-11-21 01:34:37,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706477623] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:34:37,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [749097534] [2021-11-21 01:34:37,875 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2021-11-21 01:34:37,875 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:34:37,884 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:34:37,891 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:34:37,891 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs