./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/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_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/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_52295b28-89ed-461f-bef1-1f1c01b0ef80/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 183ebd7ff454bafd300089bd7e9f353ab600116bfbc2959d4a41374c5efbb799 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:55:22,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:55:22,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:55:22,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:55:22,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:55:22,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:55:22,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:55:22,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:55:22,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:55:22,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:55:22,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:55:22,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:55:22,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:55:22,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:55:22,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:55:22,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:55:22,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:55:22,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:55:22,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:55:22,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:55:22,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:55:22,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:55:22,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:55:22,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:55:22,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:55:22,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:55:22,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:55:22,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:55:22,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:55:22,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:55:22,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:55:22,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:55:22,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:55:22,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:55:22,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:55:22,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:55:22,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:55:22,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:55:22,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:55:22,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:55:22,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:55:22,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:55:22,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:55:22,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:55:22,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:55:22,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:55:22,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:55:22,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:55:22,343 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:55:22,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:55:22,344 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:55:22,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:55:22,345 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:55:22,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:55:22,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:55:22,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:55:22,346 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:55:22,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:55:22,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:55:22,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:55:22,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:55:22,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:55:22,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:55:22,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:55:22,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:55:22,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:55:22,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:55:22,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:55:22,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:55:22,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:55:22,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:55:22,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:55:22,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:55:22,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:55:22,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:55:22,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:55:22,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:55:22,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:55:22,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:55:22,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:55:22,354 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 183ebd7ff454bafd300089bd7e9f353ab600116bfbc2959d4a41374c5efbb799 [2021-11-25 17:55:22,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:55:22,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:55:22,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:55:22,675 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:55:22,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:55:22,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 17:55:22,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/data/eabb08f1b/cfede3c6519049b796a153a9f80a3e49/FLAG07646dfae [2021-11-25 17:55:24,072 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:55:24,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 17:55:24,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/data/eabb08f1b/cfede3c6519049b796a153a9f80a3e49/FLAG07646dfae [2021-11-25 17:55:24,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/data/eabb08f1b/cfede3c6519049b796a153a9f80a3e49 [2021-11-25 17:55:24,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:55:24,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:55:24,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:55:24,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:55:24,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:55:24,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:55:24" (1/1) ... [2021-11-25 17:55:24,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eca8c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:24, skipping insertion in model container [2021-11-25 17:55:24,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:55:24" (1/1) ... [2021-11-25 17:55:24,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:55:24,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:55:30,773 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536246,536259] [2021-11-25 17:55:30,777 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536412,536425] [2021-11-25 17:55:30,777 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536576,536589] [2021-11-25 17:55:30,778 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536741,536754] [2021-11-25 17:55:30,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:55:30,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:55:31,728 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536246,536259] [2021-11-25 17:55:31,729 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536412,536425] [2021-11-25 17:55:31,729 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_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536576,536589] [2021-11-25 17:55:31,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[536741,536754] [2021-11-25 17:55:31,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:55:32,292 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:55:32,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32 WrapperNode [2021-11-25 17:55:32,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:55:32,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:55:32,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:55:32,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:55:32,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:32,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:32,989 INFO L137 Inliner]: procedures = 583, calls = 5890, calls flagged for inlining = 288, calls inlined = 274, statements flattened = 11972 [2021-11-25 17:55:32,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:55:32,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:55:32,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:55:32,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:55:33,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:55:33,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:55:33,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:55:33,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:55:33,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (1/1) ... [2021-11-25 17:55:33,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:55:33,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:55:33,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:55:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52295b28-89ed-461f-bef1-1f1c01b0ef80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:55:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-25 17:55:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-25 17:55:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-25 17:55:33,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-25 17:55:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 17:55:33,770 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 17:55:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-25 17:55:33,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-25 17:55:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-25 17:55:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-25 17:55:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-25 17:55:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-25 17:55:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 17:55:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 17:55:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:55:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:55:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 17:55:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 17:55:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 17:55:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 17:55:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-25 17:55:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-25 17:55:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:55:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:55:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2021-11-25 17:55:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2021-11-25 17:55:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 17:55:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 17:55:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-25 17:55:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-25 17:55:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-25 17:55:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-25 17:55:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 17:55:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 17:55:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 17:55:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 17:55:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 17:55:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 17:55:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 17:55:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 17:55:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-25 17:55:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-25 17:55:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-25 17:55:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-25 17:55:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-25 17:55:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-25 17:55:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 17:55:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 17:55:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2021-11-25 17:55:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2021-11-25 17:55:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 17:55:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 17:55:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_21 [2021-11-25 17:55:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_21 [2021-11-25 17:55:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-11-25 17:55:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-11-25 17:55:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2021-11-25 17:55:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2021-11-25 17:55:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_22 [2021-11-25 17:55:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_22 [2021-11-25 17:55:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-25 17:55:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-25 17:55:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-25 17:55:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-25 17:55:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 17:55:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 17:55:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:55:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:55:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-25 17:55:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-25 17:55:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 17:55:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 17:55:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-25 17:55:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-25 17:55:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_18 [2021-11-25 17:55:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_18 [2021-11-25 17:55:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 17:55:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 17:55:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 17:55:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 17:55:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:55:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:55:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 17:55:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 17:55:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 17:55:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 17:55:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 17:55:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 17:55:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-25 17:55:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-25 17:55:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:55:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 17:55:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 17:55:33,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-25 17:55:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-25 17:55:33,789 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-25 17:55:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-25 17:55:33,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 17:55:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 17:55:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-25 17:55:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-25 17:55:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 17:55:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 17:55:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_stats_poll [2021-11-25 17:55:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_stats_poll [2021-11-25 17:55:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 17:55:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 17:55:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 17:55:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 17:55:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 17:55:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 17:55:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_36 [2021-11-25 17:55:33,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_36 [2021-11-25 17:55:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_35 [2021-11-25 17:55:33,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_35 [2021-11-25 17:55:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-25 17:55:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-25 17:55:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 17:55:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 17:55:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 17:55:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 17:55:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 17:55:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 17:55:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 17:55:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-25 17:55:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-25 17:55:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 17:55:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:55:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:55:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:55:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 17:55:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 17:55:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 17:55:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 17:55:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 17:55:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 17:55:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 17:55:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 17:55:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 17:55:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 17:55:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-25 17:55:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-25 17:55:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-25 17:55:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-25 17:55:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 17:55:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 17:55:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 17:55:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 17:55:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 17:55:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 17:55:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 17:55:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 17:55:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-25 17:55:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-25 17:55:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-25 17:55:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-25 17:55:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-25 17:55:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-25 17:55:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-25 17:55:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-25 17:55:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:55:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 17:55:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 17:55:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-25 17:55:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-25 17:55:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 17:55:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 17:55:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-25 17:55:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-25 17:55:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:55:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 17:55:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 17:55:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-25 17:55:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-25 17:55:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:55:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:55:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 17:55:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 17:55:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:55:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 17:55:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-25 17:55:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-25 17:55:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:55:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:55:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 17:55:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 17:55:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 17:55:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 17:55:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 17:55:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 17:55:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:55:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:55:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-25 17:55:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-25 17:55:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 17:55:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 17:55:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-25 17:55:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-25 17:55:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 17:55:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 17:55:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-25 17:55:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-25 17:55:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-25 17:55:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-25 17:55:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 17:55:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 17:55:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:55:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:55:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 17:55:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 17:55:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 17:55:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 17:55:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-25 17:55:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-25 17:55:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-25 17:55:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-25 17:55:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 17:55:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 17:55:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-25 17:55:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-25 17:55:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 17:55:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 17:55:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-25 17:55:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-25 17:55:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 17:55:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 17:55:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 17:55:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 17:55:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-25 17:55:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-25 17:55:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 17:55:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 17:55:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-25 17:55:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-25 17:55:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:55:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:55:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 17:55:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 17:55:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-25 17:55:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-25 17:55:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 17:55:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 17:55:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-25 17:55:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-25 17:55:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 17:55:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 17:55:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:55:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:55:33,854 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 17:55:33,854 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 17:55:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-25 17:55:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-25 17:55:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 17:55:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 17:55:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 17:55:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 17:55:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-25 17:55:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-25 17:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-25 17:55:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-25 17:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 17:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-25 17:55:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-25 17:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-25 17:55:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-25 17:55:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 17:55:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 17:55:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 17:55:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 17:55:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 17:55:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 17:55:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 17:55:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 17:55:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-25 17:55:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-25 17:55:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 17:55:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 17:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-25 17:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-25 17:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 17:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 17:55:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-25 17:55:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-25 17:55:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 17:55:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 17:55:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 17:55:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 17:55:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 17:55:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 17:55:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 17:55:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 17:55:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-25 17:55:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-25 17:55:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 17:55:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 17:55:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 17:55:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 17:55:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-25 17:55:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-25 17:55:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 17:55:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 17:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 17:55:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 17:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 17:55:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 17:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-25 17:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-25 17:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-25 17:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-25 17:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 17:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 17:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:55:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-25 17:55:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-25 17:55:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-25 17:55:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-25 17:55:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:55:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-25 17:55:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-25 17:55:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:55:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:55:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 17:55:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 17:55:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 17:55:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 17:55:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-25 17:55:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-25 17:55:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 17:55:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 17:55:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 17:55:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 17:55:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 17:55:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 17:55:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 17:55:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 17:55:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 17:55:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 17:55:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:55:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:55:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-25 17:55:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-25 17:55:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2021-11-25 17:55:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2021-11-25 17:55:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 17:55:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 17:55:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-25 17:55:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-25 17:55:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-25 17:55:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-25 17:55:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-25 17:55:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-25 17:55:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-25 17:55:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-25 17:55:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-25 17:55:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-25 17:55:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-25 17:55:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-25 17:55:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 17:55:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 17:55:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 17:55:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 17:55:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 17:55:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 17:55:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 17:55:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 17:55:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-25 17:55:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-25 17:55:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-25 17:55:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-25 17:55:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 17:55:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 17:55:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-25 17:55:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-25 17:55:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-25 17:55:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-25 17:55:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:55:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:55:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-25 17:55:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-25 17:55:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:55:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-25 17:55:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-25 17:55:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 17:55:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 17:55:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 17:55:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 17:55:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:55:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:55:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-25 17:55:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-25 17:55:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:55:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:55:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-25 17:55:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-25 17:55:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-25 17:55:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-25 17:55:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-25 17:55:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-25 17:55:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-25 17:55:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-25 17:55:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 17:55:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 17:55:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 17:55:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 17:55:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-25 17:55:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-25 17:55:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-25 17:55:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-25 17:55:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-25 17:55:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-25 17:55:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-25 17:55:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-25 17:55:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-25 17:55:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-25 17:55:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-25 17:55:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-25 17:55:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-25 17:55:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-25 17:55:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:55:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:55:33,893 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 17:55:33,894 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 17:55:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 17:55:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 17:55:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 17:55:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 17:55:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-25 17:55:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-25 17:55:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-25 17:55:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-25 17:55:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-25 17:55:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-25 17:55:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-25 17:55:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-25 17:55:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 17:55:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 17:55:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-25 17:55:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-25 17:55:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 17:55:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 17:55:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 17:55:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 17:55:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:55:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-25 17:55:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-25 17:55:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-25 17:55:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-25 17:55:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 17:55:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 17:55:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-25 17:55:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-25 17:55:35,610 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:55:35,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:55:36,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:08:09,502 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:08:18,781 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:08:18,781 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:08:18,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:18 BoogieIcfgContainer [2021-11-25 18:08:18,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:08:18,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:08:18,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:08:18,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:08:18,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:55:24" (1/3) ... [2021-11-25 18:08:18,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17445b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:18, skipping insertion in model container [2021-11-25 18:08:18,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:32" (2/3) ... [2021-11-25 18:08:18,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17445b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:18, skipping insertion in model container [2021-11-25 18:08:18,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:18" (3/3) ... [2021-11-25 18:08:18,801 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 18:08:18,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:08:18,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:08:18,894 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:08:18,906 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 18:08:18,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:08:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 3945 states, 2138 states have (on average 1.2511693171188025) internal successors, (2675), 2278 states have internal predecessors, (2675), 1588 states have call successors, (1588), 218 states have call predecessors, (1588), 217 states have return successors, (1579), 1545 states have call predecessors, (1579), 1579 states have call successors, (1579) [2021-11-25 18:08:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 18:08:19,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:19,043 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:19,044 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 18:08:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:19,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1148106897, now seen corresponding path program 1 times [2021-11-25 18:08:19,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:19,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667222752] [2021-11-25 18:08:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:19,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:08:21,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:21,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667222752] [2021-11-25 18:08:21,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667222752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:21,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:21,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:08:21,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669947192] [2021-11-25 18:08:21,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:21,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:08:21,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:21,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:08:21,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:21,520 INFO L87 Difference]: Start difference. First operand has 3945 states, 2138 states have (on average 1.2511693171188025) internal successors, (2675), 2278 states have internal predecessors, (2675), 1588 states have call successors, (1588), 218 states have call predecessors, (1588), 217 states have return successors, (1579), 1545 states have call predecessors, (1579), 1579 states have call successors, (1579) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:08:23,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:26,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:29,117 WARN L534 Checker$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 18:08:32,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:34,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:37,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:41,596 WARN L534 Checker$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 18:08:48,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:48,668 INFO L93 Difference]: Finished difference Result 6833 states and 10021 transitions. [2021-11-25 18:08:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:08:48,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2021-11-25 18:08:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:48,776 INFO L225 Difference]: With dead ends: 6833 [2021-11-25 18:08:48,776 INFO L226 Difference]: Without dead ends: 6795 [2021-11-25 18:08:48,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:08:48,795 INFO L933 BasicCegarLoop]: 6498 mSDtfsCounter, 4169 mSDsluCounter, 19782 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4172 SdHoareTripleChecker+Valid, 24824 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:48,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4172 Valid, 24824 Invalid, 1961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1953 Invalid, 6 Unknown, 0 Unchecked, 26.4s Time] [2021-11-25 18:08:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6795 states. [2021-11-25 18:08:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6795 to 6793. [2021-11-25 18:08:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6793 states, 3699 states have (on average 1.2400648824006488) internal successors, (4587), 3932 states have internal predecessors, (4587), 2684 states have call successors, (2684), 411 states have call predecessors, (2684), 409 states have return successors, (2678), 2619 states have call predecessors, (2678), 2678 states have call successors, (2678) [2021-11-25 18:08:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6793 states to 6793 states and 9949 transitions. [2021-11-25 18:08:49,765 INFO L78 Accepts]: Start accepts. Automaton has 6793 states and 9949 transitions. Word has length 35 [2021-11-25 18:08:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:49,766 INFO L470 AbstractCegarLoop]: Abstraction has 6793 states and 9949 transitions. [2021-11-25 18:08:49,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:08:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6793 states and 9949 transitions. [2021-11-25 18:08:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:08:49,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:49,772 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:49,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:08:49,773 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 18:08:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1575513701, now seen corresponding path program 1 times [2021-11-25 18:08:49,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:49,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427761393] [2021-11-25 18:08:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:49,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:08:52,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:52,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427761393] [2021-11-25 18:08:52,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427761393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:52,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:52,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:08:52,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370990335] [2021-11-25 18:08:52,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:52,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:08:52,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:08:52,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:52,356 INFO L87 Difference]: Start difference. First operand 6793 states and 9949 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:08:54,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:57,904 WARN L534 Checker$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 18:09:01,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:09:05,232 WARN L534 Checker$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 18:09:07,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:09:12,222 WARN L534 Checker$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 18:09:18,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:18,076 INFO L93 Difference]: Finished difference Result 6801 states and 9955 transitions. [2021-11-25 18:09:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:09:18,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2021-11-25 18:09:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:18,150 INFO L225 Difference]: With dead ends: 6801 [2021-11-25 18:09:18,151 INFO L226 Difference]: Without dead ends: 6797 [2021-11-25 18:09:18,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:09:18,167 INFO L933 BasicCegarLoop]: 6475 mSDtfsCounter, 4144 mSDsluCounter, 19707 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4145 SdHoareTripleChecker+Valid, 24726 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:18,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4145 Valid, 24726 Invalid, 1961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1953 Invalid, 6 Unknown, 0 Unchecked, 25.1s Time] [2021-11-25 18:09:18,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6797 states.