./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/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_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/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_33dcee7d-c389-456e-a061-928446e36d64/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 5d8b5395dabd671829ca650f94e01b5609ae7cf50a91d0441ebe3b628ffebe38 --- 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 02:39:25,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:39:25,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:39:25,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:39:25,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:39:25,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:39:25,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:39:25,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:39:25,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:39:25,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:39:25,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:39:25,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:39:25,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:39:25,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:39:25,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:39:25,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:39:25,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:39:25,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:39:25,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:39:25,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:39:25,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:39:25,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:39:25,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:39:25,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:39:25,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:39:25,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:39:25,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:39:25,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:39:25,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:39:25,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:39:25,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:39:25,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:39:25,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:39:25,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:39:25,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:39:25,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:39:25,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:39:25,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:39:25,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:39:25,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:39:25,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:39:25,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:39:25,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:39:25,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:39:25,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:39:25,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:39:25,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:39:25,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:39:25,857 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:39:25,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:39:25,858 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:39:25,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:39:25,859 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:39:25,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:39:25,860 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:39:25,860 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:39:25,860 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:39:25,861 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:39:25,861 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:39:25,861 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:39:25,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:39:25,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:39:25,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:39:25,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:39:25,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:39:25,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:39:25,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:39:25,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:39:25,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:39:25,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:39:25,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:39:25,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:25,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:39:25,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:39:25,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:39:25,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:39:25,866 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:39:25,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:39:25,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:39:25,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:39:25,867 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_33dcee7d-c389-456e-a061-928446e36d64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d8b5395dabd671829ca650f94e01b5609ae7cf50a91d0441ebe3b628ffebe38 [2022-11-03 02:39:26,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:39:26,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:39:26,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:39:26,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:39:26,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:39:26,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 02:39:26,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/data/7202c01fb/06404694b20d4a54857151ece4f4dfeb/FLAGf0d80234c [2022-11-03 02:39:27,278 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:39:27,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 02:39:27,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/data/7202c01fb/06404694b20d4a54857151ece4f4dfeb/FLAGf0d80234c [2022-11-03 02:39:27,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/data/7202c01fb/06404694b20d4a54857151ece4f4dfeb [2022-11-03 02:39:27,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:39:27,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:39:27,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:27,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:39:27,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:39:27,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:27" (1/1) ... [2022-11-03 02:39:27,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6554c7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:27, skipping insertion in model container [2022-11-03 02:39:27,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:27" (1/1) ... [2022-11-03 02:39:27,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:39:27,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:32,905 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533653,533666] [2022-11-03 02:39:32,908 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533800,533813] [2022-11-03 02:39:32,909 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533939,533952] [2022-11-03 02:39:32,910 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[534097,534110] [2022-11-03 02:39:32,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:33,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:39:33,734 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533653,533666] [2022-11-03 02:39:33,734 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533800,533813] [2022-11-03 02:39:33,735 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533939,533952] [2022-11-03 02:39:33,735 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_33dcee7d-c389-456e-a061-928446e36d64/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[534097,534110] [2022-11-03 02:39:33,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:34,173 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:39:34,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34 WrapperNode [2022-11-03 02:39:34,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:34,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:34,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:39:34,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:39:34,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:34,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:34,708 INFO L138 Inliner]: procedures = 580, calls = 5890, calls flagged for inlining = 288, calls inlined = 278, statements flattened = 12000 [2022-11-03 02:39:34,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:34,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:39:34,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:39:34,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:39:34,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:34,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:34,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:34,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:39:35,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:39:35,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:39:35,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:39:35,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (1/1) ... [2022-11-03 02:39:35,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:39:35,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:39:35,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33dcee7d-c389-456e-a061-928446e36d64/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:39:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2022-11-03 02:39:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2022-11-03 02:39:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2022-11-03 02:39:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2022-11-03 02:39:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 02:39:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 02:39:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2022-11-03 02:39:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2022-11-03 02:39:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2022-11-03 02:39:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2022-11-03 02:39:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2022-11-03 02:39:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2022-11-03 02:39:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:39:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:39:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:39:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:39:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:39:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:39:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:39:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:39:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2022-11-03 02:39:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2022-11-03 02:39:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:39:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:39:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2022-11-03 02:39:35,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2022-11-03 02:39:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:39:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:39:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2022-11-03 02:39:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2022-11-03 02:39:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2022-11-03 02:39:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2022-11-03 02:39:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:39:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:39:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:39:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:39:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:39:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:39:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:39:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:39:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2022-11-03 02:39:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2022-11-03 02:39:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-11-03 02:39:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-11-03 02:39:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2022-11-03 02:39:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2022-11-03 02:39:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:39:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:39:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2022-11-03 02:39:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2022-11-03 02:39:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:39:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:39:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_21 [2022-11-03 02:39:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_21 [2022-11-03 02:39:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2022-11-03 02:39:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2022-11-03 02:39:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2022-11-03 02:39:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2022-11-03 02:39:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2022-11-03 02:39:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2022-11-03 02:39:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2022-11-03 02:39:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2022-11-03 02:39:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2022-11-03 02:39:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2022-11-03 02:39:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2022-11-03 02:39:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2022-11-03 02:39:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:39:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:39:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:39:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2022-11-03 02:39:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2022-11-03 02:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:39:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2022-11-03 02:39:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2022-11-03 02:39:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:39:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:39:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:39:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:39:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:39:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:39:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:39:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:39:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-03 02:39:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-03 02:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:39:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2022-11-03 02:39:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2022-11-03 02:39:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-03 02:39:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-03 02:39:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:39:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:39:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-03 02:39:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-03 02:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:39:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_stats_poll [2022-11-03 02:39:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_stats_poll [2022-11-03 02:39:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:39:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:39:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_39 [2022-11-03 02:39:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_39 [2022-11-03 02:39:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:39:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:39:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_38 [2022-11-03 02:39:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_38 [2022-11-03 02:39:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 02:39:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 02:39:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2022-11-03 02:39:35,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2022-11-03 02:39:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:39:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-03 02:39:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-03 02:39:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:39:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:39:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:39:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:39:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2022-11-03 02:39:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2022-11-03 02:39:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:39:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:39:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:39:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:39:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:39:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:39:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:39:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:39:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:39:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:39:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:39:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:39:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2022-11-03 02:39:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2022-11-03 02:39:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2022-11-03 02:39:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2022-11-03 02:39:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:39:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:39:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:39:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:39:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:39:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:39:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:39:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:39:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2022-11-03 02:39:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2022-11-03 02:39:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2022-11-03 02:39:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2022-11-03 02:39:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2022-11-03 02:39:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2022-11-03 02:39:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2022-11-03 02:39:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:39:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2022-11-03 02:39:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:39:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2022-11-03 02:39:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2022-11-03 02:39:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:39:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:39:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:39:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2022-11-03 02:39:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2022-11-03 02:39:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:39:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:39:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:39:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:39:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:39:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:39:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2022-11-03 02:39:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2022-11-03 02:39:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:39:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:39:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 02:39:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 02:39:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-03 02:39:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-03 02:39:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:39:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:39:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2022-11-03 02:39:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2022-11-03 02:39:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 02:39:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 02:39:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2022-11-03 02:39:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2022-11-03 02:39:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:39:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:39:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2022-11-03 02:39:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2022-11-03 02:39:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2022-11-03 02:39:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2022-11-03 02:39:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:39:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:39:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:39:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:39:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:39:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:39:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:39:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:39:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2022-11-03 02:39:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2022-11-03 02:39:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-03 02:39:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-03 02:39:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:39:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:39:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2022-11-03 02:39:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2022-11-03 02:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 02:39:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 02:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2022-11-03 02:39:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2022-11-03 02:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:39:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:39:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2022-11-03 02:39:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2022-11-03 02:39:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-03 02:39:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-03 02:39:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2022-11-03 02:39:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2022-11-03 02:39:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:39:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 02:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 02:39:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2022-11-03 02:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2022-11-03 02:39:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:39:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2022-11-03 02:39:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2022-11-03 02:39:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:39:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:39:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:39:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:39:35,638 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 02:39:35,638 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 02:39:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2022-11-03 02:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2022-11-03 02:39:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:39:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:39:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2022-11-03 02:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2022-11-03 02:39:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2022-11-03 02:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2022-11-03 02:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2022-11-03 02:39:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2022-11-03 02:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-03 02:39:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-03 02:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:39:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:39:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 02:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 02:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2022-11-03 02:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2022-11-03 02:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2022-11-03 02:39:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:39:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:39:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2022-11-03 02:39:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2022-11-03 02:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 02:39:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 02:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:39:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 02:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 02:39:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:39:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2022-11-03 02:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2022-11-03 02:39:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 02:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 02:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:39:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-03 02:39:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-03 02:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:39:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:39:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:39:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2022-11-03 02:39:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2022-11-03 02:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2022-11-03 02:39:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2022-11-03 02:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:39:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-03 02:39:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-03 02:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2022-11-03 02:39:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2022-11-03 02:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2022-11-03 02:39:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2022-11-03 02:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2022-11-03 02:39:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2022-11-03 02:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:39:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:39:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:39:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 02:39:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 02:39:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2022-11-03 02:39:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2022-11-03 02:39:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:39:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:39:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 02:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 02:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:39:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2022-11-03 02:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2022-11-03 02:39:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2022-11-03 02:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2022-11-03 02:39:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2022-11-03 02:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2022-11-03 02:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2022-11-03 02:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2022-11-03 02:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2022-11-03 02:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2022-11-03 02:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-03 02:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-03 02:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-11-03 02:39:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-11-03 02:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2022-11-03 02:39:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2022-11-03 02:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:39:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:39:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:39:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:39:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:39:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:39:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:39:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2022-11-03 02:39:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2022-11-03 02:39:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2022-11-03 02:39:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2022-11-03 02:39:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:39:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:39:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2022-11-03 02:39:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2022-11-03 02:39:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2022-11-03 02:39:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2022-11-03 02:39:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:39:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:39:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2022-11-03 02:39:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2022-11-03 02:39:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:39:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2022-11-03 02:39:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2022-11-03 02:39:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 02:39:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 02:39:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 02:39:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 02:39:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:39:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:39:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2022-11-03 02:39:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2022-11-03 02:39:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:39:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:39:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2022-11-03 02:39:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2022-11-03 02:39:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-03 02:39:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-03 02:39:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2022-11-03 02:39:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2022-11-03 02:39:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-03 02:39:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-03 02:39:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:39:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:39:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:39:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:39:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2022-11-03 02:39:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2022-11-03 02:39:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2022-11-03 02:39:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2022-11-03 02:39:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2022-11-03 02:39:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2022-11-03 02:39:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2022-11-03 02:39:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2022-11-03 02:39:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2022-11-03 02:39:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2022-11-03 02:39:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2022-11-03 02:39:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2022-11-03 02:39:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2022-11-03 02:39:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2022-11-03 02:39:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:39:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:39:35,660 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 02:39:35,661 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 02:39:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:39:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:39:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 02:39:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 02:39:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2022-11-03 02:39:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2022-11-03 02:39:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2022-11-03 02:39:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2022-11-03 02:39:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2022-11-03 02:39:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2022-11-03 02:39:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2022-11-03 02:39:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2022-11-03 02:39:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:39:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:39:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2022-11-03 02:39:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2022-11-03 02:39:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:39:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:39:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:39:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:39:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:39:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2022-11-03 02:39:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2022-11-03 02:39:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2022-11-03 02:39:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2022-11-03 02:39:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:39:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:39:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2022-11-03 02:39:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2022-11-03 02:39:37,242 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:39:37,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:39:38,247 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:52:52,566 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:06,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:06,815 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 02:53:06,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:06 BoogieIcfgContainer [2022-11-03 02:53:06,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:06,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:06,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:06,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:06,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:39:27" (1/3) ... [2022-11-03 02:53:06,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4964eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:06, skipping insertion in model container [2022-11-03 02:53:06,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:34" (2/3) ... [2022-11-03 02:53:06,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4964eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:06, skipping insertion in model container [2022-11-03 02:53:06,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:06" (3/3) ... [2022-11-03 02:53:06,834 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-03 02:53:06,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:06,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 02:53:07,007 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:07,016 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;@28f26930, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:07,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 02:53:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 3951 states, 2144 states have (on average 1.251865671641791) internal successors, (2684), 2285 states have internal predecessors, (2684), 1587 states have call successors, (1587), 218 states have call predecessors, (1587), 217 states have return successors, (1578), 1544 states have call predecessors, (1578), 1578 states have call successors, (1578) [2022-11-03 02:53:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-03 02:53:07,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:07,042 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:07,043 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 02:53:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash -926704671, now seen corresponding path program 1 times [2022-11-03 02:53:07,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:07,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512746616] [2022-11-03 02:53:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:53:11,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:11,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512746616] [2022-11-03 02:53:11,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512746616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:11,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:11,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530273838] [2022-11-03 02:53:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:11,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:11,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:11,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:11,729 INFO L87 Difference]: Start difference. First operand has 3951 states, 2144 states have (on average 1.251865671641791) internal successors, (2684), 2285 states have internal predecessors, (2684), 1587 states have call successors, (1587), 218 states have call predecessors, (1587), 217 states have return successors, (1578), 1544 states have call predecessors, (1578), 1578 states have call successors, (1578) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:53:14,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:16,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:20,122 WARN L539 Checker$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 02:53:22,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:25,035 WARN L539 Checker$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 02:53:33,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:33,389 INFO L93 Difference]: Finished difference Result 10758 states and 15837 transitions. [2022-11-03 02:53:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:53:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2022-11-03 02:53:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:33,458 INFO L225 Difference]: With dead ends: 10758 [2022-11-03 02:53:33,459 INFO L226 Difference]: Without dead ends: 6794 [2022-11-03 02:53:33,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:53:33,491 INFO L413 NwaCegarLoop]: 6500 mSDtfsCounter, 4166 mSDsluCounter, 12804 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 18334 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:33,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 18334 Invalid, 1474 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1468 Invalid, 5 Unknown, 0 Unchecked, 20.9s Time] [2022-11-03 02:53:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2022-11-03 02:53:34,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 6791. [2022-11-03 02:53:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6791 states, 3702 states have (on average 1.2396002160994057) internal successors, (4589), 3934 states have internal predecessors, (4589), 2679 states have call successors, (2679), 409 states have call predecessors, (2679), 408 states have return successors, (2679), 2617 states have call predecessors, (2679), 2677 states have call successors, (2679) [2022-11-03 02:53:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6791 states to 6791 states and 9947 transitions. [2022-11-03 02:53:34,140 INFO L78 Accepts]: Start accepts. Automaton has 6791 states and 9947 transitions. Word has length 34 [2022-11-03 02:53:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:34,141 INFO L495 AbstractCegarLoop]: Abstraction has 6791 states and 9947 transitions. [2022-11-03 02:53:34,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:53:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 6791 states and 9947 transitions. [2022-11-03 02:53:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 02:53:34,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:34,145 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:53:34,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:53:34,145 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 02:53:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash -637670483, now seen corresponding path program 1 times [2022-11-03 02:53:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:34,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933269481] [2022-11-03 02:53:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-03 02:53:37,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:37,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933269481] [2022-11-03 02:53:37,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933269481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:37,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:37,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630391089] [2022-11-03 02:53:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:37,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:37,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:37,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:37,936 INFO L87 Difference]: Start difference. First operand 6791 states and 9947 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:53:40,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:43,022 WARN L539 Checker$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 02:53:45,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:47,994 WARN L539 Checker$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 02:53:51,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:55,641 WARN L539 Checker$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 02:54:01,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:01,936 INFO L93 Difference]: Finished difference Result 6804 states and 9961 transitions. [2022-11-03 02:54:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:54:01,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 85 [2022-11-03 02:54:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:01,996 INFO L225 Difference]: With dead ends: 6804 [2022-11-03 02:54:01,996 INFO L226 Difference]: Without dead ends: 6537 [2022-11-03 02:54:02,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:54:02,006 INFO L413 NwaCegarLoop]: 6481 mSDtfsCounter, 4123 mSDsluCounter, 12767 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 18275 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:02,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 18275 Invalid, 1474 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1468 Invalid, 5 Unknown, 0 Unchecked, 23.6s Time] [2022-11-03 02:54:02,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6537 states. [2022-11-03 02:54:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6537 to 6532. [2022-11-03 02:54:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6532 states, 3542 states have (on average 1.235460191981931) internal successors, (4376), 3763 states have internal predecessors, (4376), 2583 states have call successors, (2583), 406 states have call predecessors, (2583), 405 states have return successors, (2581), 2527 states have call predecessors, (2581), 2581 states have call successors, (2581) [2022-11-03 02:54:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 9540 transitions. [2022-11-03 02:54:02,444 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 9540 transitions. Word has length 85 [2022-11-03 02:54:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:02,444 INFO L495 AbstractCegarLoop]: Abstraction has 6532 states and 9540 transitions. [2022-11-03 02:54:02,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:54:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 9540 transitions. [2022-11-03 02:54:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-03 02:54:02,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:02,461 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:54:02,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:54:02,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1771612973, now seen corresponding path program 1 times [2022-11-03 02:54:02,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:02,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165696965] [2022-11-03 02:54:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:02,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-03 02:54:05,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:05,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165696965] [2022-11-03 02:54:05,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165696965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:05,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:05,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:54:05,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930259818] [2022-11-03 02:54:05,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:05,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:54:05,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:05,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:54:05,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:54:05,836 INFO L87 Difference]: Start difference. First operand 6532 states and 9540 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:54:08,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:10,628 WARN L539 Checker$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 02:54:13,312 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 []