./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.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_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:51:19,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:51:19,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:51:19,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:51:19,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:51:19,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:51:19,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:51:19,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:51:19,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:51:19,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:51:19,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:51:19,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:51:19,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:51:19,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:51:19,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:51:19,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:51:19,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:51:20,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:51:20,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:51:20,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:51:20,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:51:20,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:51:20,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:51:20,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:51:20,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:51:20,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:51:20,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:51:20,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:51:20,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:51:20,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:51:20,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:51:20,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:51:20,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:51:20,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:51:20,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:51:20,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:51:20,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:51:20,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:51:20,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:51:20,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:51:20,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:51:20,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:51:20,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:51:20,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:51:20,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:51:20,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:51:20,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:51:20,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:51:20,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:51:20,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:51:20,065 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:51:20,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:51:20,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:51:20,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:51:20,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:51:20,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:51:20,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:51:20,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:51:20,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:51:20,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:51:20,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:51:20,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:51:20,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:51:20,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:20,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:51:20,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:51:20,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:51:20,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:51:20,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:51:20,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:51:20,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:51:20,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:51:20,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:51:20,071 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_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 [2021-11-20 06:51:20,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:51:20,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:51:20,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:51:20,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:51:20,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:51:20,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-20 06:51:20,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/data/4c6617340/f7febbccc7de4e42b6b1ef8d5bf37314/FLAG506784a0d [2021-11-20 06:51:21,634 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:51:21,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-20 06:51:21,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/data/4c6617340/f7febbccc7de4e42b6b1ef8d5bf37314/FLAG506784a0d [2021-11-20 06:51:21,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/data/4c6617340/f7febbccc7de4e42b6b1ef8d5bf37314 [2021-11-20 06:51:21,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:51:21,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:51:21,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:21,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:51:21,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:51:21,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:21" (1/1) ... [2021-11-20 06:51:21,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13717200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:21, skipping insertion in model container [2021-11-20 06:51:21,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:21" (1/1) ... [2021-11-20 06:51:21,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:51:22,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:51:27,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2021-11-20 06:51:27,335 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2021-11-20 06:51:27,335 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2021-11-20 06:51:27,336 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2021-11-20 06:51:27,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:27,474 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:51:28,158 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2021-11-20 06:51:28,159 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2021-11-20 06:51:28,159 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2021-11-20 06:51:28,159 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_5c20263b-d18c-4710-b764-7762746b9586/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2021-11-20 06:51:28,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:28,578 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:51:28,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28 WrapperNode [2021-11-20 06:51:28,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:28,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:28,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:51:28,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:51:28,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:28,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,179 INFO L137 Inliner]: procedures = 603, calls = 5908, calls flagged for inlining = 318, calls inlined = 308, statements flattened = 12748 [2021-11-20 06:51:29,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:29,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:51:29,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:51:29,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:51:29,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:51:29,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:51:29,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:51:29,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:51:29,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (1/1) ... [2021-11-20 06:51:29,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:51:29,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:51:29,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c20263b-d18c-4710-b764-7762746b9586/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:51:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-20 06:51:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-20 06:51:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-20 06:51:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-20 06:51:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 06:51:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 06:51:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-20 06:51:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-20 06:51:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-20 06:51:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-20 06:51:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-20 06:51:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-20 06:51:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 06:51:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 06:51:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:51:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:51:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 06:51:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 06:51:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 06:51:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 06:51:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 06:51:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 06:51:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-20 06:51:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-20 06:51:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:51:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:51:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 06:51:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 06:51:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-20 06:51:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-20 06:51:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-20 06:51:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-20 06:51:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 06:51:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 06:51:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:51:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:51:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 06:51:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 06:51:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:51:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:51:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-20 06:51:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-20 06:51:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-20 06:51:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-20 06:51:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-20 06:51:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-20 06:51:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 06:51:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 06:51:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:51:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:51:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-20 06:51:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-20 06:51:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-20 06:51:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-20 06:51:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:51:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:51:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:51:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:51:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-20 06:51:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-20 06:51:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:51:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:51:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-20 06:51:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-20 06:51:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 06:51:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 06:51:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:51:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:51:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:51:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:51:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:51:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:51:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 06:51:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 06:51:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-20 06:51:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-20 06:51:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:51:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 06:51:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 06:51:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-20 06:51:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-20 06:51:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-20 06:51:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-20 06:51:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 06:51:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 06:51:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-20 06:51:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-20 06:51:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:51:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:51:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:51:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:51:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:51:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:51:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 06:51:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 06:51:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-20 06:51:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-20 06:51:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:51:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 06:51:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 06:51:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:51:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:51:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:51:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:51:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-20 06:51:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-20 06:51:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:51:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:51:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:51:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:51:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:51:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:51:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:51:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:51:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-20 06:51:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-20 06:51:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 06:51:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 06:51:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 06:51:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 06:51:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 06:51:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 06:51:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-20 06:51:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-20 06:51:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-20 06:51:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-20 06:51:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 06:51:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 06:51:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:51:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:51:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-20 06:51:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-20 06:51:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-20 06:51:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-20 06:51:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-20 06:51:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-20 06:51:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-20 06:51:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-20 06:51:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:51:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 06:51:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 06:51:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 06:51:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 06:51:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 06:51:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 06:51:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-20 06:51:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-20 06:51:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-20 06:51:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-20 06:51:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 06:51:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 06:51:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-20 06:51:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-20 06:51:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:51:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 06:51:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 06:51:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-20 06:51:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-20 06:51:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:51:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:51:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:51:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:51:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:51:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:51:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-20 06:51:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-20 06:51:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:51:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:51:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 06:51:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 06:51:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 06:51:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 06:51:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-20 06:51:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-20 06:51:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:51:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:51:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-20 06:51:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-20 06:51:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-20 06:51:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-20 06:51:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-20 06:51:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-20 06:51:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 06:51:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 06:51:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-20 06:51:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-20 06:51:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-20 06:51:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-20 06:51:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 06:51:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 06:51:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:51:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:51:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 06:51:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 06:51:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 06:51:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 06:51:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-20 06:51:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-20 06:51:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-20 06:51:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-20 06:51:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 06:51:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 06:51:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-20 06:51:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-20 06:51:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-20 06:51:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-20 06:51:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 06:51:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 06:51:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:51:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:51:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-20 06:51:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-20 06:51:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 06:51:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 06:51:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-20 06:51:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-20 06:51:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:51:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:51:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 06:51:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 06:51:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-20 06:51:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-20 06:51:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:51:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:51:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-20 06:51:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-20 06:51:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:51:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:51:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:51:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:51:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:51:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:51:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-20 06:51:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-20 06:51:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 06:51:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 06:51:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:51:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:51:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-20 06:51:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-20 06:51:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-20 06:51:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-20 06:51:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 06:51:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-20 06:51:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-20 06:51:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-20 06:51:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-20 06:51:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 06:51:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 06:51:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 06:51:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 06:51:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-20 06:51:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-20 06:51:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-20 06:51:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-20 06:51:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-20 06:51:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-20 06:51:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 06:51:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 06:51:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-20 06:51:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-20 06:51:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:51:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:51:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 06:51:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 06:51:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-20 06:51:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-20 06:51:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-20 06:51:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-20 06:51:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:51:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:51:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 06:51:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 06:51:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 06:51:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 06:51:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-20 06:51:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-20 06:51:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 06:51:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 06:51:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 06:51:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 06:51:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-20 06:51:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-20 06:51:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 06:51:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 06:51:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 06:51:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 06:51:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-20 06:51:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-20 06:51:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:51:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-20 06:51:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-20 06:51:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-20 06:51:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-20 06:51:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:51:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:51:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-20 06:51:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-20 06:51:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:51:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-20 06:51:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-20 06:51:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-20 06:51:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-20 06:51:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:51:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-20 06:51:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-20 06:51:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:51:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:51:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 06:51:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 06:51:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 06:51:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 06:51:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-20 06:51:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-20 06:51:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 06:51:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 06:51:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 06:51:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 06:51:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 06:51:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 06:51:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:51:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:51:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 06:51:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 06:51:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:51:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:51:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-20 06:51:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-20 06:51:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 06:51:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 06:51:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-20 06:51:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-20 06:51:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-20 06:51:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-20 06:51:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-20 06:51:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-20 06:51:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-20 06:51:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-20 06:51:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-20 06:51:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-20 06:51:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-20 06:51:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-20 06:51:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 06:51:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 06:51:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 06:51:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 06:51:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 06:51:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 06:51:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 06:51:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 06:51:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-20 06:51:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-20 06:51:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-20 06:51:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-20 06:51:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:51:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:51:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-20 06:51:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-20 06:51:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-20 06:51:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-20 06:51:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:51:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:51:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-20 06:51:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-20 06:51:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:51:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-20 06:51:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-20 06:51:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-20 06:51:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-20 06:51:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 06:51:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 06:51:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:51:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:51:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-20 06:51:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-20 06:51:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:51:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:51:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-20 06:51:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-20 06:51:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-20 06:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-20 06:51:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-20 06:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-20 06:51:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-20 06:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-20 06:51:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 06:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 06:51:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 06:51:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 06:51:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-20 06:51:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-20 06:51:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-20 06:51:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-20 06:51:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-20 06:51:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-20 06:51:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-20 06:51:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-20 06:51:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-20 06:51:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-20 06:51:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-20 06:51:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-20 06:51:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-20 06:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-20 06:51:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-20 06:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-20 06:51:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:51:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 06:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 06:51:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 06:51:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 06:51:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-20 06:51:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-20 06:51:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-20 06:51:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-20 06:51:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-20 06:51:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-20 06:51:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-20 06:51:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-20 06:51:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 06:51:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 06:51:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-20 06:51:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-20 06:51:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:51:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:51:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-20 06:51:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-20 06:51:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-20 06:51:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-20 06:51:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 06:51:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 06:51:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:51:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-20 06:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-20 06:51:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-20 06:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-20 06:51:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 06:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 06:51:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-20 06:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-20 06:51:31,685 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:51:31,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:51:32,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:05:37,850 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 07:05:38,101 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:05:38,144 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:05:38,145 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 07:05:38,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:05:38 BoogieIcfgContainer [2021-11-20 07:05:38,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:05:38,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:05:38,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:05:38,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:05:38,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:51:21" (1/3) ... [2021-11-20 07:05:38,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685bc78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:05:38, skipping insertion in model container [2021-11-20 07:05:38,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:28" (2/3) ... [2021-11-20 07:05:38,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685bc78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:05:38, skipping insertion in model container [2021-11-20 07:05:38,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:05:38" (3/3) ... [2021-11-20 07:05:38,167 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-20 07:05:38,182 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:05:38,182 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:05:38,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:05:38,297 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:05:38,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 07:05:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 5182 states, 3331 states have (on average 1.3038126688682077) internal successors, (4343), 3450 states have internal predecessors, (4343), 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) [2021-11-20 07:05:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-20 07:05:38,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:38,495 INFO L514 BasicCegarLoop]: trace histogram [25, 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] [2021-11-20 07:05:38,496 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:05:38,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:38,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1503809161, now seen corresponding path program 1 times [2021-11-20 07:05:38,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:38,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592129304] [2021-11-20 07:05:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:38,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:05:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:05:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:05:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:05:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:05:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:05:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:05:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:05:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:05:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:05:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:05:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:05:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:05:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:05:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:05:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:05:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:05:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:05:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:05:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 07:05:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 07:05:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 07:05:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:05:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:05:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:05:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:05:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:41,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-11-20 07:05:41,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:41,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592129304] [2021-11-20 07:05:41,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592129304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:41,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:41,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:05:41,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577791830] [2021-11-20 07:05:41,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:41,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:05:41,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:41,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:05:41,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:05:41,859 INFO L87 Difference]: Start difference. First operand has 5182 states, 3331 states have (on average 1.3038126688682077) internal successors, (4343), 3450 states have internal predecessors, (4343), 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 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-20 07:05:44,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []