./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/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 feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 --- 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 01:55:56,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:55:56,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:55:56,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:55:56,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:55:56,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:55:56,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:55:56,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:55:56,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:55:57,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:55:57,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:55:57,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:55:57,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:55:57,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:55:57,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:55:57,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:55:57,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:55:57,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:55:57,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:55:57,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:55:57,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:55:57,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:55:57,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:55:57,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:55:57,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:55:57,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:55:57,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:55:57,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:55:57,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:55:57,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:55:57,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:55:57,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:55:57,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:55:57,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:55:57,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:55:57,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:55:57,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:55:57,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:55:57,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:55:57,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:55:57,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:55:57,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:55:57,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:55:57,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:55:57,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:55:57,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:55:57,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:55:57,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:55:57,096 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:55:57,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:55:57,097 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:55:57,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:55:57,098 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:55:57,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:55:57,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:55:57,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:55:57,099 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:55:57,099 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:55:57,099 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:55:57,100 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:55:57,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:55:57,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:55:57,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:55:57,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:55:57,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:55:57,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:55:57,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:55:57,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:55:57,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:55:57,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:55:57,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:55:57,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:57,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:55:57,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:55:57,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:55:57,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:55:57,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:55:57,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:55:57,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:55:57,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:55:57,106 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 [2022-11-03 01:55:57,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:55:57,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:55:57,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:55:57,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:55:57,438 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:55:57,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 01:55:57,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/data/b405c506b/55626d2176a841969c6711f5599c28bf/FLAG7c1d8c60f [2022-11-03 01:55:58,662 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:55:58,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 01:55:58,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/data/b405c506b/55626d2176a841969c6711f5599c28bf/FLAG7c1d8c60f [2022-11-03 01:55:58,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/data/b405c506b/55626d2176a841969c6711f5599c28bf [2022-11-03 01:55:58,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:55:58,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:55:58,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:58,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:55:58,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:55:58,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:58" (1/1) ... [2022-11-03 01:55:58,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70426645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:58, skipping insertion in model container [2022-11-03 01:55:58,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:58" (1/1) ... [2022-11-03 01:55:58,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:55:59,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:56:04,558 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2022-11-03 01:56:04,562 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2022-11-03 01:56:04,563 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2022-11-03 01:56:04,564 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2022-11-03 01:56:04,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:56:04,718 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:56:05,312 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2022-11-03 01:56:05,313 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2022-11-03 01:56:05,314 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2022-11-03 01:56:05,314 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_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2022-11-03 01:56:05,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:56:05,799 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:56:05,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05 WrapperNode [2022-11-03 01:56:05,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:56:05,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:56:05,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:56:05,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:56:05,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:05,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,525 INFO L138 Inliner]: procedures = 603, calls = 5908, calls flagged for inlining = 318, calls inlined = 308, statements flattened = 12748 [2022-11-03 01:56:06,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:56:06,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:56:06,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:56:06,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:56:06,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:06,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:07,058 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:07,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:07,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:56:07,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:56:07,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:56:07,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:56:07,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (1/1) ... [2022-11-03 01:56:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:56:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:56:07,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:56:07,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c7856d6-fdb1-4523-8fae-2d223eeb7a80/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:56:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2022-11-03 01:56:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2022-11-03 01:56:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2022-11-03 01:56:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2022-11-03 01:56:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:56:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:56:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2022-11-03 01:56:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2022-11-03 01:56:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2022-11-03 01:56:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2022-11-03 01:56:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2022-11-03 01:56:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2022-11-03 01:56:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:56:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:56:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-03 01:56:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-03 01:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:56:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:56:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2022-11-03 01:56:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2022-11-03 01:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:56:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:56:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2022-11-03 01:56:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2022-11-03 01:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2022-11-03 01:56:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2022-11-03 01:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:56:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:56:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:56:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:56:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2022-11-03 01:56:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2022-11-03 01:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-11-03 01:56:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-11-03 01:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2022-11-03 01:56:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2022-11-03 01:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:56:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:56:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2022-11-03 01:56:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2022-11-03 01:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2022-11-03 01:56:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2022-11-03 01:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:56:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:56:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2022-11-03 01:56:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2022-11-03 01:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:56:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2022-11-03 01:56:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2022-11-03 01:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:56:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:56:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:56:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:56:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:56:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:56:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:56:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:56:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-03 01:56:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-03 01:56:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:56:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:56:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:56:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2022-11-03 01:56:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2022-11-03 01:56:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-03 01:56:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-03 01:56:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 01:56:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 01:56:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-03 01:56:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-03 01:56:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:56:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:56:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:56:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:56:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:56:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:56:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:56:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:56:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2022-11-03 01:56:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2022-11-03 01:56:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:56:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-03 01:56:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-03 01:56:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:56:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:56:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:56:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:56:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2022-11-03 01:56:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2022-11-03 01:56:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:56:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:56:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:56:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:56:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:56:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:56:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:56:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:56:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2022-11-03 01:56:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2022-11-03 01:56:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:56:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:56:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:56:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:56:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:56:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:56:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2022-11-03 01:56:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2022-11-03 01:56:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2022-11-03 01:56:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2022-11-03 01:56:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:56:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:56:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:56:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:56:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2022-11-03 01:56:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2022-11-03 01:56:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2022-11-03 01:56:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2022-11-03 01:56:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2022-11-03 01:56:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2022-11-03 01:56:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2022-11-03 01:56:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2022-11-03 01:56:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:56:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:56:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:56:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:56:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:56:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 01:56:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 01:56:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 01:56:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 01:56:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2022-11-03 01:56:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2022-11-03 01:56:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 01:56:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 01:56:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2022-11-03 01:56:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2022-11-03 01:56:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:56:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:56:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:56:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2022-11-03 01:56:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2022-11-03 01:56:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:56:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:56:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:56:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:56:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:56:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:56:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2022-11-03 01:56:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2022-11-03 01:56:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:56:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:56:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:56:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:56:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 01:56:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 01:56:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-03 01:56:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-03 01:56:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:56:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:56:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2022-11-03 01:56:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2022-11-03 01:56:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:56:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:56:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2022-11-03 01:56:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2022-11-03 01:56:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:56:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:56:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2022-11-03 01:56:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2022-11-03 01:56:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2022-11-03 01:56:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2022-11-03 01:56:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:56:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:56:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:56:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:56:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:56:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:56:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:56:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:56:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2022-11-03 01:56:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2022-11-03 01:56:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-03 01:56:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-03 01:56:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:56:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:56:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2022-11-03 01:56:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2022-11-03 01:56:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2022-11-03 01:56:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2022-11-03 01:56:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:56:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:56:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:56:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:56:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2022-11-03 01:56:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2022-11-03 01:56:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-03 01:56:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-03 01:56:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2022-11-03 01:56:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2022-11-03 01:56:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:56:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:56:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:56:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:56:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2022-11-03 01:56:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2022-11-03 01:56:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:56:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:56:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2022-11-03 01:56:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2022-11-03 01:56:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:56:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:56:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:56:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:56:07,391 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 01:56:07,392 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 01:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2022-11-03 01:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2022-11-03 01:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2022-11-03 01:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2022-11-03 01:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2022-11-03 01:56:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2022-11-03 01:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2022-11-03 01:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2022-11-03 01:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-03 01:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-03 01:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 01:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 01:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2022-11-03 01:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2022-11-03 01:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2022-11-03 01:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2022-11-03 01:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2022-11-03 01:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2022-11-03 01:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 01:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 01:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 01:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 01:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2022-11-03 01:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2022-11-03 01:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 01:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 01:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-03 01:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-03 01:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 01:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2022-11-03 01:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2022-11-03 01:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-03 01:56:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-03 01:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2022-11-03 01:56:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2022-11-03 01:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2022-11-03 01:56:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2022-11-03 01:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2022-11-03 01:56:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2022-11-03 01:56:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:56:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:56:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 01:56:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 01:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 01:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 01:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2022-11-03 01:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2022-11-03 01:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 01:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 01:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:56:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:56:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:56:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2022-11-03 01:56:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2022-11-03 01:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:56:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2022-11-03 01:56:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2022-11-03 01:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2022-11-03 01:56:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2022-11-03 01:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2022-11-03 01:56:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2022-11-03 01:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-03 01:56:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-03 01:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-11-03 01:56:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-11-03 01:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2022-11-03 01:56:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2022-11-03 01:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:56:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:56:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2022-11-03 01:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2022-11-03 01:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2022-11-03 01:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2022-11-03 01:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2022-11-03 01:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2022-11-03 01:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2022-11-03 01:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2022-11-03 01:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2022-11-03 01:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2022-11-03 01:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2022-11-03 01:56:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2022-11-03 01:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:56:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 01:56:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 01:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:56:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2022-11-03 01:56:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2022-11-03 01:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:56:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2022-11-03 01:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-03 01:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2022-11-03 01:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-03 01:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2022-11-03 01:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2022-11-03 01:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2022-11-03 01:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2022-11-03 01:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2022-11-03 01:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2022-11-03 01:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-03 01:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-03 01:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2022-11-03 01:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2022-11-03 01:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2022-11-03 01:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2022-11-03 01:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2022-11-03 01:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2022-11-03 01:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2022-11-03 01:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2022-11-03 01:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:56:07,419 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 01:56:07,420 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 01:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 01:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 01:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2022-11-03 01:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2022-11-03 01:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2022-11-03 01:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2022-11-03 01:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2022-11-03 01:56:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2022-11-03 01:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-03 01:56:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-03 01:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2022-11-03 01:56:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2022-11-03 01:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:56:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2022-11-03 01:56:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2022-11-03 01:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 01:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 01:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2022-11-03 01:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2022-11-03 01:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2022-11-03 01:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2022-11-03 01:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2022-11-03 01:56:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2022-11-03 01:56:09,111 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:56:09,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:56:10,137 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:10:15,377 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:10:15,717 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:10:29,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:10:29,123 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 02:10:29,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:29 BoogieIcfgContainer [2022-11-03 02:10:29,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:10:29,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:10:29,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:10:29,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:10:29,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:55:58" (1/3) ... [2022-11-03 02:10:29,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1f9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:29, skipping insertion in model container [2022-11-03 02:10:29,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:56:05" (2/3) ... [2022-11-03 02:10:29,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1f9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:29, skipping insertion in model container [2022-11-03 02:10:29,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:29" (3/3) ... [2022-11-03 02:10:29,146 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 02:10:29,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:10:29,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 02:10:29,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:10:29,325 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;@4b31f6af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:10:29,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 02:10:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 4157 states, 2306 states have (on average 1.2753686036426712) internal successors, (2941), 2425 states have internal predecessors, (2941), 1639 states have call successors, (1639), 211 states have call predecessors, (1639), 210 states have return successors, (1628), 1598 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-11-03 02:10:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-03 02:10:29,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:29,374 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] [2022-11-03 02:10:29,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:29,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:29,379 INFO L85 PathProgramCache]: Analyzing trace with hash 21114459, now seen corresponding path program 1 times [2022-11-03 02:10:29,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:29,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613331993] [2022-11-03 02:10:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:33,143 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 02:10:33,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:33,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613331993] [2022-11-03 02:10:33,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613331993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:33,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:33,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:10:33,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843400711] [2022-11-03 02:10:33,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:33,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:10:33,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:33,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:10:33,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:33,208 INFO L87 Difference]: Start difference. First operand has 4157 states, 2306 states have (on average 1.2753686036426712) internal successors, (2941), 2425 states have internal predecessors, (2941), 1639 states have call successors, (1639), 211 states have call predecessors, (1639), 210 states have return successors, (1628), 1598 states have call predecessors, (1628), 1628 states have call successors, (1628) 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:10:35,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:39,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:42,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:45,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:53,302 WARN L539 Checker$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 02:10:55,444 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 02:10:56,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:56,956 INFO L93 Difference]: Finished difference Result 12107 states and 18086 transitions. [2022-11-03 02:10:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:10:56,958 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 260 [2022-11-03 02:10:56,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:57,055 INFO L225 Difference]: With dead ends: 12107 [2022-11-03 02:10:57,055 INFO L226 Difference]: Without dead ends: 7982 [2022-11-03 02:10:57,092 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 02:10:57,095 INFO L413 NwaCegarLoop]: 7428 mSDtfsCounter, 5748 mSDsluCounter, 6152 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5756 SdHoareTripleChecker+Valid, 13007 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:57,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5756 Valid, 13007 Invalid, 1204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1191 Invalid, 6 Unknown, 0 Unchecked, 23.1s Time] [2022-11-03 02:10:57,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7982 states. [2022-11-03 02:10:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7982 to 7980. [2022-11-03 02:10:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7980 states, 4434 states have (on average 1.27063599458728) internal successors, (5634), 4657 states have internal predecessors, (5634), 3132 states have call successors, (3132), 415 states have call predecessors, (3132), 412 states have return successors, (3129), 3070 states have call predecessors, (3129), 3129 states have call successors, (3129) [2022-11-03 02:10:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7980 states to 7980 states and 11895 transitions. [2022-11-03 02:10:57,886 INFO L78 Accepts]: Start accepts. Automaton has 7980 states and 11895 transitions. Word has length 260 [2022-11-03 02:10:57,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:57,894 INFO L495 AbstractCegarLoop]: Abstraction has 7980 states and 11895 transitions. [2022-11-03 02:10:57,895 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:10:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7980 states and 11895 transitions. [2022-11-03 02:10:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-03 02:10:57,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:57,918 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:57,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:10:57,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:57,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:57,919 INFO L85 PathProgramCache]: Analyzing trace with hash -298482704, now seen corresponding path program 1 times [2022-11-03 02:10:57,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:57,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345613444] [2022-11-03 02:10:57,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:57,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2259 trivial. 0 not checked. [2022-11-03 02:11:00,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:00,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345613444] [2022-11-03 02:11:00,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345613444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:00,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:00,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:11:00,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227175421] [2022-11-03 02:11:00,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:00,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:11:00,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:00,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:11:00,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:11:00,325 INFO L87 Difference]: Start difference. First operand 7980 states and 11895 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-03 02:11:02,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []