./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-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:14:43,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:14:43,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:14:43,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:14:43,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:14:43,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:14:43,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:14:43,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:14:43,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:14:43,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:14:43,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:14:43,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:14:43,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:14:43,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:14:43,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:14:43,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:14:43,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:14:43,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:14:43,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:14:43,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:14:43,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:14:43,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:14:43,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:14:43,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:14:43,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:14:43,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:14:43,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:14:43,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:14:43,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:14:43,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:14:43,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:14:43,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:14:43,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:14:43,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:14:43,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:14:43,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:14:43,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:14:43,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:14:43,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:14:43,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:14:43,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:14:43,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:14:43,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:14:43,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:14:43,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:14:43,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:14:43,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:14:43,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:14:43,925 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:14:43,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:14:43,925 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:14:43,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:14:43,926 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:14:43,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:14:43,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:14:43,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:14:43,926 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:14:43,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:14:43,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:14:43,927 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:14:43,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:14:43,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:14:43,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:14:43,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:14:43,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:14:43,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:14:43,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:14:43,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:14:43,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:14:43,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:14:43,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:14:43,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:43,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:14:43,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:14:43,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:14:43,932 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:14:43,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:14:43,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:14:43,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:14:43,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:14:43,933 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e [2021-11-25 20:14:44,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:14:44,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:14:44,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:14:44,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:14:44,259 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:14:44,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:14:44,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/data/7eff02819/27466c40be7c475bb486884ba5af1ef1/FLAG77484e43b [2021-11-25 20:14:45,465 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:14:45,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:14:45,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/data/7eff02819/27466c40be7c475bb486884ba5af1ef1/FLAG77484e43b [2021-11-25 20:14:45,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/data/7eff02819/27466c40be7c475bb486884ba5af1ef1 [2021-11-25 20:14:45,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:14:45,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:14:45,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:45,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:14:45,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:14:45,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:45" (1/1) ... [2021-11-25 20:14:45,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333af798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:45, skipping insertion in model container [2021-11-25 20:14:45,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:45" (1/1) ... [2021-11-25 20:14:45,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:14:46,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:14:52,372 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-11-25 20:14:52,376 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-11-25 20:14:52,377 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-11-25 20:14:52,378 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-11-25 20:14:52,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:52,547 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:14:53,223 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-11-25 20:14:53,223 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-11-25 20:14:53,224 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-11-25 20:14:53,224 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_5bcc1634-4cf2-464e-916c-03a5a93e97e1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-11-25 20:14:53,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:53,713 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:14:53,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53 WrapperNode [2021-11-25 20:14:53,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:53,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:53,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:14:53,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:14:53,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:53,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:54,399 INFO L137 Inliner]: procedures = 606, calls = 5908, calls flagged for inlining = 318, calls inlined = 304, statements flattened = 12720 [2021-11-25 20:14:54,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:54,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:14:54,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:14:54,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:14:54,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:54,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:54,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:54,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:54,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:55,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:55,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:55,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:14:55,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:14:55,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:14:55,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:14:55,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (1/1) ... [2021-11-25 20:14:55,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:55,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:14:55,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcc1634-4cf2-464e-916c-03a5a93e97e1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:14:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-25 20:14:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-25 20:14:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-25 20:14:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-25 20:14:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 20:14:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 20:14:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-25 20:14:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-25 20:14:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-25 20:14:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-25 20:14:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-25 20:14:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-25 20:14:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:14:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:14:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:14:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:14:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:14:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:14:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 20:14:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 20:14:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 20:14:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 20:14:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-25 20:14:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-25 20:14:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:14:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:14:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:14:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:14:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-25 20:14:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-25 20:14:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-25 20:14:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-25 20:14:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 20:14:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 20:14:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:14:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:14:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 20:14:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 20:14:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:14:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:14:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-25 20:14:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-25 20:14:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-25 20:14:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-25 20:14:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-25 20:14:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-25 20:14:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 20:14:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 20:14:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:14:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:14:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-25 20:14:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-25 20:14:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-25 20:14:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-25 20:14:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:14:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:14:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:14:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:14:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-25 20:14:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-25 20:14:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:14:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:14:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-25 20:14:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-25 20:14:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:14:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:14:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 20:14:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 20:14:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:14:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:14:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:14:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:14:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:14:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:14:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 20:14:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 20:14:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-25 20:14:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-25 20:14:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:14:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 20:14:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 20:14:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-25 20:14:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-25 20:14:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-25 20:14:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-25 20:14:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:14:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:14:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-25 20:14:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-25 20:14:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:14:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:14:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:14:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:14:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:14:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:14:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 20:14:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 20:14:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-25 20:14:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-25 20:14:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:14:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 20:14:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 20:14:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:14:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:14:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:14:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:14:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-25 20:14:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-25 20:14:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:14:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:14:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:14:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:14:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:14:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:14:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:14:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:14:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 20:14:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 20:14:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:14:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:14:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:14:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:14:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:14:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:14:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-25 20:14:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-25 20:14:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-25 20:14:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-25 20:14:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 20:14:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 20:14:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:14:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:14:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-25 20:14:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-25 20:14:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-25 20:14:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-25 20:14:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-25 20:14:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-25 20:14:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-25 20:14:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-25 20:14:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:14:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 20:14:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 20:14:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:14:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:14:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 20:14:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 20:14:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 20:14:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 20:14:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-25 20:14:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-25 20:14:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:14:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:14:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-25 20:14:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 20:14:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-25 20:14:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:14:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:14:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:14:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-25 20:14:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:14:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:14:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 20:14:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 20:14:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 20:14:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 20:14:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:14:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:14:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-25 20:14:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-25 20:14:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 20:14:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 20:14:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-25 20:14:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-25 20:14:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:14:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:14:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-25 20:14:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-25 20:14:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-25 20:14:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-25 20:14:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:14:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:14:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:14:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:14:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 20:14:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 20:14:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:14:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:14:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-25 20:14:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-25 20:14:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-25 20:14:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-25 20:14:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 20:14:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 20:14:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-25 20:14:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-25 20:14:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-25 20:14:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-25 20:14:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:14:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:14:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:14:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:14:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-25 20:14:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-25 20:14:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 20:14:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 20:14:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-25 20:14:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-25 20:14:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:14:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:14:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 20:14:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 20:14:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-25 20:14:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-25 20:14:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:14:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:14:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-25 20:14:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-25 20:14:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:14:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:14:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:14:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:14:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:14:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:14:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-25 20:14:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-25 20:14:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:14:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:14:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:14:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:14:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-25 20:14:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-25 20:14:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-25 20:14:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-25 20:14:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:14:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-25 20:14:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-25 20:14:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-25 20:14:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-25 20:14:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:14:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:14:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:14:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:14:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 20:14:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 20:14:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 20:14:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 20:14:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-25 20:14:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-25 20:14:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 20:14:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 20:14:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-25 20:14:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-25 20:14:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:14:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:14:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 20:14:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 20:14:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-25 20:14:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-25 20:14:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 20:14:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 20:14:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 20:14:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 20:14:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 20:14:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 20:14:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 20:14:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 20:14:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-25 20:14:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-25 20:14:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:14:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:14:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:14:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:14:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-25 20:14:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-25 20:14:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:14:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:14:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 20:14:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 20:14:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 20:14:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 20:14:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:14:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-25 20:14:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-25 20:14:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-25 20:14:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-25 20:14:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:14:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:14:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:14:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-25 20:14:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-25 20:14:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-25 20:14:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-25 20:14:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:14:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-25 20:14:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-25 20:14:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:14:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:14:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 20:14:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 20:14:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 20:14:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 20:14:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-25 20:14:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-25 20:14:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 20:14:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 20:14:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 20:14:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 20:14:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 20:14:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 20:14:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:14:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:14:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:14:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:14:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:14:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:14:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-25 20:14:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-25 20:14:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:14:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:14:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-25 20:14:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-25 20:14:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-25 20:14:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-25 20:14:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-25 20:14:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-25 20:14:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-25 20:14:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-25 20:14:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-25 20:14:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-25 20:14:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-25 20:14:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-25 20:14:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 20:14:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 20:14:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:14:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:14:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:14:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:14:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 20:14:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 20:14:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-25 20:14:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-25 20:14:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-25 20:14:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-25 20:14:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:14:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:14:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-25 20:14:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-25 20:14:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-25 20:14:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-25 20:14:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:14:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:14:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-25 20:14:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-25 20:14:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:14:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-25 20:14:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-25 20:14:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 20:14:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 20:14:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 20:14:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 20:14:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:14:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:14:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-25 20:14:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-25 20:14:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:14:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:14:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-25 20:14:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-25 20:14:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-25 20:14:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-25 20:14:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-25 20:14:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-25 20:14:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-25 20:14:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-25 20:14:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:14:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:14:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:14:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:14:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-25 20:14:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-25 20:14:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-25 20:14:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-25 20:14:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-25 20:14:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-25 20:14:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:14:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:14:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-25 20:14:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-25 20:14:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-25 20:14:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-25 20:14:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-25 20:14:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-25 20:14:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-25 20:14:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-25 20:14:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:14:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:14:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:14:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:14:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 20:14:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 20:14:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 20:14:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 20:14:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-25 20:14:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-25 20:14:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-25 20:14:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-25 20:14:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-25 20:14:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-25 20:14:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:14:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:14:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-25 20:14:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-25 20:14:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:14:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:14:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-25 20:14:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-25 20:14:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 20:14:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 20:14:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:14:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:14:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:14:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-25 20:14:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-25 20:14:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-25 20:14:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-25 20:14:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:14:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:14:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-25 20:14:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-25 20:14:56,881 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:14:56,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:14:58,014 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:28:08,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:28:09,127 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:28:20,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:28:20,224 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 20:28:20,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:28:20 BoogieIcfgContainer [2021-11-25 20:28:20,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:28:20,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:28:20,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:28:20,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:28:20,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:14:45" (1/3) ... [2021-11-25 20:28:20,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5f1681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:28:20, skipping insertion in model container [2021-11-25 20:28:20,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:53" (2/3) ... [2021-11-25 20:28:20,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5f1681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:28:20, skipping insertion in model container [2021-11-25 20:28:20,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:28:20" (3/3) ... [2021-11-25 20:28:20,260 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 20:28:20,269 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:28:20,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:28:20,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:28:20,391 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:28:20,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:28:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 4151 states, 2300 states have (on average 1.2747826086956522) internal successors, (2932), 2418 states have internal predecessors, (2932), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) [2021-11-25 20:28:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 20:28:20,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:28:20,565 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:28:20,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:28:20,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:28:20,577 INFO L85 PathProgramCache]: Analyzing trace with hash 321228727, now seen corresponding path program 1 times [2021-11-25 20:28:20,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:28:20,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786935232] [2021-11-25 20:28:20,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:28:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:28:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:28:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 20:28:23,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:28:23,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786935232] [2021-11-25 20:28:23,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786935232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:28:23,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:28:23,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:28:23,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407861062] [2021-11-25 20:28:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:28:23,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:28:23,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:28:23,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:28:23,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:28:23,669 INFO L87 Difference]: Start difference. First operand has 4151 states, 2300 states have (on average 1.2747826086956522) internal successors, (2932), 2418 states have internal predecessors, (2932), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:28:25,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:28:31,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:28:39,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:28:41,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:28:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:28:42,840 INFO L93 Difference]: Finished difference Result 12095 states and 18071 transitions. [2021-11-25 20:28:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:28:42,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 261 [2021-11-25 20:28:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:28:42,966 INFO L225 Difference]: With dead ends: 12095 [2021-11-25 20:28:42,966 INFO L226 Difference]: Without dead ends: 7976 [2021-11-25 20:28:43,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:28:43,015 INFO L933 BasicCegarLoop]: 7140 mSDtfsCounter, 5759 mSDsluCounter, 6147 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 12716 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:28:43,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5759 Valid, 12716 Invalid, 1191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1180 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2021-11-25 20:28:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states. [2021-11-25 20:28:43,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 7976. [2021-11-25 20:28:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7976 states, 4427 states have (on average 1.270612152699345) internal successors, (5625), 4653 states have internal predecessors, (5625), 3135 states have call successors, (3135), 414 states have call predecessors, (3135), 413 states have return successors, (3131), 3072 states have call predecessors, (3131), 3131 states have call successors, (3131) [2021-11-25 20:28:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7976 states to 7976 states and 11891 transitions. [2021-11-25 20:28:43,938 INFO L78 Accepts]: Start accepts. Automaton has 7976 states and 11891 transitions. Word has length 261 [2021-11-25 20:28:43,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:28:43,941 INFO L470 AbstractCegarLoop]: Abstraction has 7976 states and 11891 transitions. [2021-11-25 20:28:43,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 20:28:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7976 states and 11891 transitions. [2021-11-25 20:28:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-25 20:28:43,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:28:43,962 INFO L514 BasicCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 4, 4, 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] [2021-11-25 20:28:43,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:28:43,963 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:28:43,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:28:43,964 INFO L85 PathProgramCache]: Analyzing trace with hash 998570103, now seen corresponding path program 1 times [2021-11-25 20:28:43,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:28:43,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502283132] [2021-11-25 20:28:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:28:43,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:28:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:28:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2021-11-25 20:28:46,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:28:46,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502283132] [2021-11-25 20:28:46,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502283132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:28:46,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:28:46,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:28:46,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949911281] [2021-11-25 20:28:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:28:46,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:28:46,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:28:46,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:28:46,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:28:46,193 INFO L87 Difference]: Start difference. First operand 7976 states and 11891 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-25 20:28:48,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []