./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_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_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/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_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/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_dda43722-6a2e-441e-aee9-9f253a6f6615/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 181f5b9a97f7cf8062e70af226af12bc222e67b2536d95b282fb684da67802e2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:43:24,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:43:24,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:43:24,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:43:24,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:43:24,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:43:24,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:43:24,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:43:24,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:43:24,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:43:24,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:43:24,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:43:24,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:43:24,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:43:24,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:43:24,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:43:24,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:43:24,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:43:24,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:43:24,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:43:24,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:43:24,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:43:24,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:43:24,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:43:24,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:43:24,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:43:24,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:43:24,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:43:24,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:43:24,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:43:24,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:43:24,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:43:24,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:43:24,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:43:24,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:43:24,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:43:24,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:43:24,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:43:24,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:43:24,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:43:24,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:43:24,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:43:24,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:43:24,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:43:24,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:43:24,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:43:24,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:43:24,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:43:24,404 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:43:24,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:43:24,404 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:43:24,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:43:24,405 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:43:24,405 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:43:24,405 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:43:24,405 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:43:24,405 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:43:24,406 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:43:24,406 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:43:24,406 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:43:24,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:43:24,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:43:24,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:43:24,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:43:24,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:43:24,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:43:24,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:43:24,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:43:24,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:43:24,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:43:24,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:43:24,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:43:24,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:43:24,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:43:24,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:43:24,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:43:24,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:43:24,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:43:24,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:43:24,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:43:24,411 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_dda43722-6a2e-441e-aee9-9f253a6f6615/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 181f5b9a97f7cf8062e70af226af12bc222e67b2536d95b282fb684da67802e2 [2021-11-25 18:43:24,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:43:24,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:43:24,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:43:24,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:43:24,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:43:24,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 18:43:24,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/data/d04a46a76/c0ea0275352d481799618e352ec45a0c/FLAG9637ca3c3 [2021-11-25 18:43:25,847 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:43:25,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 18:43:25,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/data/d04a46a76/c0ea0275352d481799618e352ec45a0c/FLAG9637ca3c3 [2021-11-25 18:43:26,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/data/d04a46a76/c0ea0275352d481799618e352ec45a0c [2021-11-25 18:43:26,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:43:26,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:43:26,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:43:26,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:43:26,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:43:26,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:26" (1/1) ... [2021-11-25 18:43:26,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1979fd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:26, skipping insertion in model container [2021-11-25 18:43:26,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:26" (1/1) ... [2021-11-25 18:43:26,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:43:26,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:43:32,557 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577213,577226] [2021-11-25 18:43:32,560 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577382,577395] [2021-11-25 18:43:32,560 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577549,577562] [2021-11-25 18:43:32,561 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577717,577730] [2021-11-25 18:43:32,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:43:32,709 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:43:33,332 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577213,577226] [2021-11-25 18:43:33,333 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577382,577395] [2021-11-25 18:43:33,333 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577549,577562] [2021-11-25 18:43:33,337 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_dda43722-6a2e-441e-aee9-9f253a6f6615/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577717,577730] [2021-11-25 18:43:33,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:43:33,749 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:43:33,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33 WrapperNode [2021-11-25 18:43:33,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:43:33,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:43:33,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:43:33,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:43:33,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:33,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,411 INFO L137 Inliner]: procedures = 707, calls = 6114, calls flagged for inlining = 338, calls inlined = 309, statements flattened = 12565 [2021-11-25 18:43:34,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:43:34,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:43:34,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:43:34,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:43:34,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:34,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:35,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:35,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:43:35,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:43:35,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:43:35,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:43:35,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (1/1) ... [2021-11-25 18:43:35,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:43:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:43:35,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:43:35,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda43722-6a2e-441e-aee9-9f253a6f6615/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:43:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-25 18:43:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-25 18:43:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-11-25 18:43:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-11-25 18:43:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-25 18:43:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-25 18:43:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_118 [2021-11-25 18:43:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_118 [2021-11-25 18:43:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 18:43:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 18:43:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-25 18:43:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-25 18:43:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-25 18:43:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-25 18:43:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-25 18:43:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-25 18:43:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:43:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:43:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:43:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:43:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 18:43:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 18:43:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 18:43:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 18:43:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-25 18:43:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-25 18:43:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_115 [2021-11-25 18:43:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_115 [2021-11-25 18:43:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:43:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:43:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2021-11-25 18:43:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2021-11-25 18:43:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:43:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:43:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-25 18:43:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-25 18:43:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:43:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:43:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-25 18:43:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-25 18:43:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 18:43:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 18:43:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:43:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:43:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 18:43:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 18:43:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:43:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:43:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-25 18:43:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-25 18:43:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-25 18:43:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-25 18:43:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2021-11-25 18:43:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2021-11-25 18:43:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-25 18:43:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-25 18:43:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-25 18:43:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-25 18:43:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_137 [2021-11-25 18:43:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_137 [2021-11-25 18:43:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 18:43:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 18:43:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_133 [2021-11-25 18:43:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_133 [2021-11-25 18:43:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2021-11-25 18:43:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2021-11-25 18:43:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:43:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:43:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-25 18:43:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-25 18:43:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-25 18:43:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-25 18:43:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:43:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:43:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:43:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:43:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-25 18:43:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-25 18:43:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:43:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:43:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-25 18:43:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-25 18:43:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 18:43:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 18:43:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:43:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:43:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:43:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:43:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 18:43:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 18:43:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-25 18:43:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-25 18:43:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:43:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 18:43:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 18:43:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-25 18:43:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-25 18:43:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-25 18:43:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-25 18:43:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 18:43:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 18:43:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_103 [2021-11-25 18:43:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_103 [2021-11-25 18:43:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_106 [2021-11-25 18:43:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_106 [2021-11-25 18:43:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-25 18:43:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-25 18:43:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:43:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:43:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_stats_poll [2021-11-25 18:43:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_stats_poll [2021-11-25 18:43:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:43:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:43:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:43:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:43:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-25 18:43:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-25 18:43:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:43:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 18:43:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 18:43:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:43:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:43:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:43:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-25 18:43:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:43:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:43:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:43:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:43:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 18:43:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 18:43:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-25 18:43:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-25 18:43:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:43:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 18:43:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 18:43:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-25 18:43:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-25 18:43:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:43:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:43:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-25 18:43:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-25 18:43:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:43:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:43:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:43:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-25 18:43:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-25 18:43:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:43:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:43:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:43:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:43:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:43:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:43:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-25 18:43:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-25 18:43:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:43:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:43:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 18:43:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 18:43:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2021-11-25 18:43:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2021-11-25 18:43:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 18:43:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 18:43:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:43:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:43:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-25 18:43:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-25 18:43:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 18:43:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 18:43:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-25 18:43:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-25 18:43:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:43:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:43:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-25 18:43:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-25 18:43:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-25 18:43:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-25 18:43:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 18:43:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 18:43:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:43:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:43:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:43:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:43:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 18:43:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 18:43:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:43:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:43:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-25 18:43:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-25 18:43:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-25 18:43:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-25 18:43:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 18:43:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 18:43:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-25 18:43:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-25 18:43:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 18:43:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 18:43:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-25 18:43:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-25 18:43:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2021-11-25 18:43:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2021-11-25 18:43:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:43:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:43:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:43:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:43:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-25 18:43:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-25 18:43:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 18:43:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 18:43:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-25 18:43:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-25 18:43:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:43:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:43:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-25 18:43:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-25 18:43:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:43:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:43:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-25 18:43:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-25 18:43:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:43:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:43:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:43:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:43:35,223 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 18:43:35,223 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 18:43:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-25 18:43:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-25 18:43:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:43:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:43:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:43:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:43:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:43:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:43:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-25 18:43:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-25 18:43:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-25 18:43:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-25 18:43:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-25 18:43:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-25 18:43:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:43:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-25 18:43:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-25 18:43:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-25 18:43:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-25 18:43:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:43:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:43:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:43:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:43:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 18:43:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 18:43:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 18:43:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 18:43:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-25 18:43:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-25 18:43:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:43:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:43:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-25 18:43:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-25 18:43:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:43:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:43:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:43:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:43:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-25 18:43:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-25 18:43:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 18:43:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 18:43:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:43:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:43:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 18:43:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 18:43:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 18:43:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 18:43:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-25 18:43:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-25 18:43:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:43:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:43:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:43:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:43:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-25 18:43:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-25 18:43:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:43:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:43:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:43:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:43:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 18:43:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 18:43:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:43:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-25 18:43:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-25 18:43:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-25 18:43:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-25 18:43:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:43:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2021-11-25 18:43:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-25 18:43:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-25 18:43:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:43:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-25 18:43:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-25 18:43:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:43:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:43:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 18:43:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 18:43:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 18:43:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 18:43:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-25 18:43:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-25 18:43:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 18:43:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 18:43:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 18:43:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 18:43:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:43:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:43:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:43:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:43:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:43:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:43:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-25 18:43:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-25 18:43:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2021-11-25 18:43:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2021-11-25 18:43:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:43:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:43:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-25 18:43:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-25 18:43:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-25 18:43:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-25 18:43:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-25 18:43:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-25 18:43:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-25 18:43:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-25 18:43:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-25 18:43:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-25 18:43:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-25 18:43:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-25 18:43:35,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:43:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:43:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:43:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:43:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 18:43:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 18:43:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 18:43:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 18:43:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2021-11-25 18:43:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2021-11-25 18:43:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-25 18:43:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-25 18:43:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-25 18:43:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-25 18:43:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:43:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:43:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-25 18:43:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-25 18:43:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-25 18:43:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-25 18:43:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:43:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:43:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-25 18:43:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-25 18:43:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:43:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-25 18:43:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-25 18:43:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 18:43:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 18:43:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:43:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:43:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2021-11-25 18:43:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2021-11-25 18:43:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-25 18:43:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-25 18:43:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:43:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:43:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-25 18:43:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-25 18:43:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-25 18:43:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-25 18:43:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-25 18:43:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-25 18:43:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-25 18:43:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-25 18:43:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:43:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:43:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:43:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:43:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-11-25 18:43:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-11-25 18:43:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-25 18:43:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-25 18:43:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-25 18:43:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-25 18:43:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-25 18:43:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-25 18:43:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2021-11-25 18:43:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2021-11-25 18:43:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-25 18:43:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-25 18:43:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-25 18:43:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-25 18:43:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-25 18:43:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-25 18:43:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-25 18:43:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-25 18:43:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:43:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:43:35,243 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 18:43:35,244 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 18:43:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:43:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:43:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 18:43:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 18:43:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-25 18:43:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-25 18:43:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-25 18:43:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-25 18:43:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-25 18:43:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-25 18:43:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-25 18:43:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-25 18:43:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:43:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:43:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-25 18:43:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-25 18:43:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 18:43:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 18:43:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:43:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:43:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:43:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-25 18:43:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-25 18:43:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-25 18:43:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-25 18:43:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:43:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:43:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-25 18:43:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-25 18:43:37,117 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:43:37,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:43:38,005 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:56:42,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:56:50,055 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:56:50,055 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:56:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:56:50 BoogieIcfgContainer [2021-11-25 18:56:50,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:56:50,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:56:50,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:56:50,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:56:50,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:43:26" (1/3) ... [2021-11-25 18:56:50,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5272ff46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:56:50, skipping insertion in model container [2021-11-25 18:56:50,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:33" (2/3) ... [2021-11-25 18:56:50,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5272ff46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:56:50, skipping insertion in model container [2021-11-25 18:56:50,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:56:50" (3/3) ... [2021-11-25 18:56:50,071 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 18:56:50,076 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:56:50,076 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-25 18:56:50,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:56:50,165 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 18:56:50,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-25 18:56:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 4019 states, 2159 states have (on average 1.2515053265400649) internal successors, (2702), 2301 states have internal predecessors, (2702), 1630 states have call successors, (1630), 226 states have call predecessors, (1630), 225 states have return successors, (1621), 1587 states have call predecessors, (1621), 1621 states have call successors, (1621) [2021-11-25 18:56:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 18:56:50,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:50,282 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 18:56:50,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 18:56:50,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash 669084075, now seen corresponding path program 1 times [2021-11-25 18:56:50,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:50,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861948135] [2021-11-25 18:56:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:50,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:52,607 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 18:56:52,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:52,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861948135] [2021-11-25 18:56:52,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861948135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:52,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:52,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:56:52,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226461991] [2021-11-25 18:56:52,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:52,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:56:52,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:52,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:56:52,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:52,663 INFO L87 Difference]: Start difference. First operand has 4019 states, 2159 states have (on average 1.2515053265400649) internal successors, (2702), 2301 states have internal predecessors, (2702), 1630 states have call successors, (1630), 226 states have call predecessors, (1630), 225 states have return successors, (1621), 1587 states have call predecessors, (1621), 1621 states have call successors, (1621) 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 18:56:54,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:57,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:01,294 WARN L534 Checker$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 18:57:04,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:06,452 WARN L534 Checker$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 18:57:08,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:11,564 WARN L534 Checker$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 18:57:13,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:18,299 WARN L534 Checker$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 18:57:27,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:57:27,520 INFO L93 Difference]: Finished difference Result 11851 states and 18101 transitions. [2021-11-25 18:57:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:57:27,523 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 18:57:27,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:57:27,617 INFO L225 Difference]: With dead ends: 11851 [2021-11-25 18:57:27,617 INFO L226 Difference]: Without dead ends: 7825 [2021-11-25 18:57:27,661 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 18:57:27,664 INFO L933 BasicCegarLoop]: 8041 mSDtfsCounter, 5749 mSDsluCounter, 23256 mSDsCounter, 0 mSdLazyCounter, 2412 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5762 SdHoareTripleChecker+Valid, 29536 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2412 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:57:27,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5762 Valid, 29536 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2412 Invalid, 9 Unknown, 0 Unchecked, 34.0s Time] [2021-11-25 18:57:27,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2021-11-25 18:57:28,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 7816. [2021-11-25 18:57:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7816 states, 4198 states have (on average 1.2446403049070986) internal successors, (5225), 4462 states have internal predecessors, (5225), 3168 states have call successors, (3168), 448 states have call predecessors, (3168), 446 states have return successors, (3246), 3095 states have call predecessors, (3246), 3162 states have call successors, (3246) [2021-11-25 18:57:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7816 states to 7816 states and 11639 transitions. [2021-11-25 18:57:28,458 INFO L78 Accepts]: Start accepts. Automaton has 7816 states and 11639 transitions. Word has length 35 [2021-11-25 18:57:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:57:28,459 INFO L470 AbstractCegarLoop]: Abstraction has 7816 states and 11639 transitions. [2021-11-25 18:57:28,460 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 18:57:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7816 states and 11639 transitions. [2021-11-25 18:57:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:57:28,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:28,466 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 18:57:28,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:57:28,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-25 18:57:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1475229259, now seen corresponding path program 1 times [2021-11-25 18:57:28,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:28,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928365526] [2021-11-25 18:57:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:28,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:57:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:57:30,379 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 18:57:30,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:57:30,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928365526] [2021-11-25 18:57:30,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928365526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:57:30,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:57:30,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:57:30,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316566426] [2021-11-25 18:57:30,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:57:30,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:57:30,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:57:30,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:57:30,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:57:30,384 INFO L87 Difference]: Start difference. First operand 7816 states and 11639 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 18:57:32,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []