./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI --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 caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:41:16,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:16,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:16,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:16,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:16,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:16,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:16,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:16,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:16,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:16,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:16,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:16,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:16,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:16,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:16,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:16,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:16,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:16,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:16,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:16,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:16,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:16,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:16,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:16,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:16,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:16,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:16,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:16,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:16,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:16,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:16,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:16,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:16,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:16,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:16,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:16,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:16,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:16,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:16,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:16,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:16,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:41:16,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:16,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:16,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:16,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:16,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:16,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:16,606 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:16,606 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:16,606 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:16,607 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:41:16,607 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:16,607 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:16,607 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:41:16,607 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:41:16,608 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:16,608 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:41:16,608 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:41:16,608 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:41:16,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:16,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:41:16,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:16,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:16,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:16,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:16,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:16,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:16,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:16,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:16,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:16,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:16,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:16,612 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:41:16,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:16,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:16,613 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:41:16,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:41:16,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:16,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:16,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b [2022-11-03 01:41:16,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:16,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:16,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:16,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:16,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:16,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 01:41:17,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/data/3fb871100/0bc512c6919c40eeb1ac79182405d66e/FLAG30b9048b5 [2022-11-03 01:41:18,112 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:18,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 01:41:18,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/data/3fb871100/0bc512c6919c40eeb1ac79182405d66e/FLAG30b9048b5 [2022-11-03 01:41:18,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/data/3fb871100/0bc512c6919c40eeb1ac79182405d66e [2022-11-03 01:41:18,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:18,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:18,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:18,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:18,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:18,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:18" (1/1) ... [2022-11-03 01:41:18,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14df316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:18, skipping insertion in model container [2022-11-03 01:41:18,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:18" (1/1) ... [2022-11-03 01:41:18,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:18,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:24,655 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2022-11-03 01:41:24,658 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2022-11-03 01:41:24,659 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2022-11-03 01:41:24,660 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2022-11-03 01:41:24,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:24,839 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:41:25,460 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2022-11-03 01:41:25,460 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2022-11-03 01:41:25,461 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2022-11-03 01:41:25,461 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_886d008a-c25b-47dd-a784-cfdf748097fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2022-11-03 01:41:25,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:25,911 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:41:25,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25 WrapperNode [2022-11-03 01:41:25,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:25,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:25,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:41:25,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:41:25,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:26,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:26,564 INFO L138 Inliner]: procedures = 730, calls = 6132, calls flagged for inlining = 368, calls inlined = 339, statements flattened = 12892 [2022-11-03 01:41:26,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:26,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:41:26,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:41:26,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:41:26,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:26,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:26,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:26,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,173 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:41:27,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:41:27,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:41:27,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:41:27,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (1/1) ... [2022-11-03 01:41:27,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:41:27,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:41:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886d008a-c25b-47dd-a784-cfdf748097fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:41:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2022-11-03 01:41:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2022-11-03 01:41:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2022-11-03 01:41:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2022-11-03 01:41:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2022-11-03 01:41:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2022-11-03 01:41:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:41:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:41:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2022-11-03 01:41:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2022-11-03 01:41:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2022-11-03 01:41:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2022-11-03 01:41:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2022-11-03 01:41:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2022-11-03 01:41:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:41:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:41:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:41:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:41:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-03 01:41:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-03 01:41:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:41:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:41:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:41:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:41:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2022-11-03 01:41:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2022-11-03 01:41:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:41:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:41:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:41:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:41:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2022-11-03 01:41:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2022-11-03 01:41:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:41:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:41:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2022-11-03 01:41:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2022-11-03 01:41:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:41:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:41:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:41:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:41:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:41:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:41:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:41:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:41:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2022-11-03 01:41:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2022-11-03 01:41:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-11-03 01:41:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-11-03 01:41:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2022-11-03 01:41:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2022-11-03 01:41:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-03 01:41:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-03 01:41:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2022-11-03 01:41:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2022-11-03 01:41:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:41:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:41:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:41:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:41:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2022-11-03 01:41:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2022-11-03 01:41:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2022-11-03 01:41:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2022-11-03 01:41:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:41:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:41:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:41:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:41:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2022-11-03 01:41:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2022-11-03 01:41:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:41:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:41:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2022-11-03 01:41:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2022-11-03 01:41:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:41:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:41:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:41:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:41:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:41:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:41:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:41:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:41:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-03 01:41:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-03 01:41:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:41:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:41:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:41:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2022-11-03 01:41:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2022-11-03 01:41:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-03 01:41:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-03 01:41:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 01:41:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 01:41:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-03 01:41:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-03 01:41:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:41:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:41:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:41:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:41:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:41:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:41:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2022-11-03 01:41:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2022-11-03 01:41:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:41:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-03 01:41:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-03 01:41:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:41:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:41:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:41:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:41:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2022-11-03 01:41:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2022-11-03 01:41:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:41:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:41:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:41:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:41:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:41:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:41:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:41:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:41:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2022-11-03 01:41:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2022-11-03 01:41:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:41:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:41:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:41:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:41:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:41:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:41:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2022-11-03 01:41:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2022-11-03 01:41:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2022-11-03 01:41:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2022-11-03 01:41:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:41:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:41:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:41:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:41:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2022-11-03 01:41:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2022-11-03 01:41:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2022-11-03 01:41:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2022-11-03 01:41:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2022-11-03 01:41:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2022-11-03 01:41:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:41:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:41:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2022-11-03 01:41:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2022-11-03 01:41:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:41:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:41:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:41:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:41:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:41:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 01:41:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 01:41:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 01:41:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 01:41:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2022-11-03 01:41:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2022-11-03 01:41:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 01:41:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 01:41:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2022-11-03 01:41:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2022-11-03 01:41:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:41:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:41:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:41:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2022-11-03 01:41:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2022-11-03 01:41:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:41:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:41:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:41:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:41:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:41:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:41:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2022-11-03 01:41:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2022-11-03 01:41:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:41:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:41:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2022-11-03 01:41:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2022-11-03 01:41:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-03 01:41:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-03 01:41:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2022-11-03 01:41:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2022-11-03 01:41:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:41:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:41:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2022-11-03 01:41:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2022-11-03 01:41:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:41:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:41:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2022-11-03 01:41:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2022-11-03 01:41:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2022-11-03 01:41:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2022-11-03 01:41:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:41:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:41:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:41:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:41:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:41:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:41:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:41:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:41:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:41:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:41:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2022-11-03 01:41:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2022-11-03 01:41:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-03 01:41:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-03 01:41:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:41:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:41:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2022-11-03 01:41:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2022-11-03 01:41:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2022-11-03 01:41:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2022-11-03 01:41:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2022-11-03 01:41:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2022-11-03 01:41:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:41:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:41:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:41:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:41:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2022-11-03 01:41:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2022-11-03 01:41:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-03 01:41:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-03 01:41:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2022-11-03 01:41:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2022-11-03 01:41:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:41:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:41:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2022-11-03 01:41:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2022-11-03 01:41:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:41:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:41:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2022-11-03 01:41:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2022-11-03 01:41:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:41:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:41:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:41:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:41:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:41:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:41:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2022-11-03 01:41:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2022-11-03 01:41:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:41:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:41:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:41:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:41:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:41:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:41:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 01:41:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 01:41:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2022-11-03 01:41:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2022-11-03 01:41:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2022-11-03 01:41:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2022-11-03 01:41:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:41:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2022-11-03 01:41:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2022-11-03 01:41:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-03 01:41:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-03 01:41:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:41:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:41:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:41:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:41:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 01:41:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 01:41:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:41:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:41:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2022-11-03 01:41:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2022-11-03 01:41:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:41:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:41:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2022-11-03 01:41:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2022-11-03 01:41:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:41:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:41:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:41:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:41:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2022-11-03 01:41:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2022-11-03 01:41:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 01:41:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 01:41:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:41:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:41:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 01:41:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 01:41:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:41:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:41:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2022-11-03 01:41:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2022-11-03 01:41:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 01:41:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 01:41:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:41:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:41:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-03 01:41:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-03 01:41:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:41:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:41:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:41:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:41:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 01:41:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 01:41:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:41:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2022-11-03 01:41:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2022-11-03 01:41:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2022-11-03 01:41:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2022-11-03 01:41:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:41:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:41:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2022-11-03 01:41:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2022-11-03 01:41:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:41:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2022-11-03 01:41:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2022-11-03 01:41:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2022-11-03 01:41:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2022-11-03 01:41:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:41:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2022-11-03 01:41:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2022-11-03 01:41:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:41:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:41:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 01:41:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 01:41:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 01:41:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 01:41:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2022-11-03 01:41:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2022-11-03 01:41:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:41:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:41:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:41:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:41:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:41:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:41:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:41:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:41:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:41:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:41:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2022-11-03 01:41:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2022-11-03 01:41:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:41:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:41:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2022-11-03 01:41:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2022-11-03 01:41:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2022-11-03 01:41:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2022-11-03 01:41:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2022-11-03 01:41:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2022-11-03 01:41:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-03 01:41:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-03 01:41:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-11-03 01:41:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-11-03 01:41:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2022-11-03 01:41:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2022-11-03 01:41:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:41:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:41:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:41:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:41:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:41:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:41:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:41:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:41:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2022-11-03 01:41:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2022-11-03 01:41:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2022-11-03 01:41:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2022-11-03 01:41:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2022-11-03 01:41:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2022-11-03 01:41:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:41:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:41:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2022-11-03 01:41:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2022-11-03 01:41:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2022-11-03 01:41:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2022-11-03 01:41:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:41:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:41:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2022-11-03 01:41:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2022-11-03 01:41:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:41:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2022-11-03 01:41:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2022-11-03 01:41:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:41:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:41:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:41:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:41:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2022-11-03 01:41:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2022-11-03 01:41:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2022-11-03 01:41:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2022-11-03 01:41:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:41:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:41:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2022-11-03 01:41:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2022-11-03 01:41:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-03 01:41:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-03 01:41:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2022-11-03 01:41:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2022-11-03 01:41:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-03 01:41:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-03 01:41:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:41:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:41:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:41:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:41:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-11-03 01:41:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-11-03 01:41:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2022-11-03 01:41:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2022-11-03 01:41:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2022-11-03 01:41:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2022-11-03 01:41:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2022-11-03 01:41:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2022-11-03 01:41:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2022-11-03 01:41:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2022-11-03 01:41:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-03 01:41:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-03 01:41:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2022-11-03 01:41:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2022-11-03 01:41:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2022-11-03 01:41:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2022-11-03 01:41:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2022-11-03 01:41:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2022-11-03 01:41:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2022-11-03 01:41:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2022-11-03 01:41:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:41:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:41:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:41:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:41:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:41:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:41:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 01:41:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 01:41:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2022-11-03 01:41:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2022-11-03 01:41:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2022-11-03 01:41:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2022-11-03 01:41:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2022-11-03 01:41:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2022-11-03 01:41:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-03 01:41:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-03 01:41:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2022-11-03 01:41:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2022-11-03 01:41:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:41:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:41:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2022-11-03 01:41:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2022-11-03 01:41:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 01:41:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 01:41:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:41:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:41:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:41:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2022-11-03 01:41:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2022-11-03 01:41:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2022-11-03 01:41:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2022-11-03 01:41:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:41:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:41:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2022-11-03 01:41:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2022-11-03 01:41:29,068 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:41:29,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:41:29,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:55:21,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:55:21,965 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:55:31,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:55:31,959 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 01:55:31,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:31 BoogieIcfgContainer [2022-11-03 01:55:31,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:55:31,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:55:31,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:55:31,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:55:31,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:41:18" (1/3) ... [2022-11-03 01:55:31,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce05686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:31, skipping insertion in model container [2022-11-03 01:55:31,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:25" (2/3) ... [2022-11-03 01:55:31,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce05686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:31, skipping insertion in model container [2022-11-03 01:55:31,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:31" (3/3) ... [2022-11-03 01:55:31,980 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 01:55:32,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:55:32,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 01:55:32,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:55:32,188 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3820733a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:55:32,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-03 01:55:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 4225 states, 2321 states have (on average 1.2748815165876777) internal successors, (2959), 2441 states have internal predecessors, (2959), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) [2022-11-03 01:55:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-03 01:55:32,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:32,242 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:32,243 INFO L420 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)] === [2022-11-03 01:55:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:32,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1510186769, now seen corresponding path program 1 times [2022-11-03 01:55:32,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:32,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894193317] [2022-11-03 01:55:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:32,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2022-11-03 01:55:36,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:36,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894193317] [2022-11-03 01:55:36,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894193317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:36,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:36,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:36,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576658408] [2022-11-03 01:55:36,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:36,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:36,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:36,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:36,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:36,616 INFO L87 Difference]: Start difference. First operand has 4225 states, 2321 states have (on average 1.2748815165876777) internal successors, (2959), 2441 states have internal predecessors, (2959), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 01:55:38,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:44,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:50,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:55,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:58,160 INFO L93 Difference]: Finished difference Result 12307 states and 18770 transitions. [2022-11-03 01:55:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:58,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 261 [2022-11-03 01:55:58,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:58,272 INFO L225 Difference]: With dead ends: 12307 [2022-11-03 01:55:58,273 INFO L226 Difference]: Without dead ends: 8114 [2022-11-03 01:55:58,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:58,333 INFO L413 NwaCegarLoop]: 7267 mSDtfsCounter, 5846 mSDsluCounter, 6255 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5848 SdHoareTripleChecker+Valid, 12938 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:58,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5848 Valid, 12938 Invalid, 1217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1206 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2022-11-03 01:55:58,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2022-11-03 01:55:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8107. [2022-11-03 01:55:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8107 states, 4465 states have (on average 1.269652855543113) internal successors, (5669), 4693 states have internal predecessors, (5669), 3209 states have call successors, (3209), 430 states have call predecessors, (3209), 429 states have return successors, (3207), 3145 states have call predecessors, (3207), 3205 states have call successors, (3207) [2022-11-03 01:55:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 12085 transitions. [2022-11-03 01:55:59,308 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 12085 transitions. Word has length 261 [2022-11-03 01:55:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:59,316 INFO L495 AbstractCegarLoop]: Abstraction has 8107 states and 12085 transitions. [2022-11-03 01:55:59,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 01:55:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 12085 transitions. [2022-11-03 01:55:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-03 01:55:59,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:59,336 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:59,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:55:59,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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)] === [2022-11-03 01:55:59,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash 881445644, now seen corresponding path program 1 times [2022-11-03 01:55:59,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:59,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192338599] [2022-11-03 01:55:59,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:59,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2022-11-03 01:56:02,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:02,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192338599] [2022-11-03 01:56:02,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192338599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:02,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:02,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:02,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637284534] [2022-11-03 01:56:02,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:02,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:02,959 INFO L87 Difference]: Start difference. First operand 8107 states and 12085 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 01:56:05,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []