./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 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d8b5395dabd671829ca650f94e01b5609ae7cf50a91d0441ebe3b628ffebe38 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 23:03:56,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 23:03:56,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 23:03:56,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 23:03:56,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 23:03:56,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 23:03:56,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 23:03:56,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 23:03:56,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 23:03:56,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 23:03:56,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 23:03:56,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 23:03:56,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 23:03:56,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 23:03:56,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 23:03:56,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 23:03:56,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 23:03:56,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 23:03:56,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 23:03:56,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 23:03:56,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 23:03:56,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 23:03:56,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 23:03:56,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 23:03:56,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 23:03:56,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 23:03:56,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 23:03:56,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 23:03:56,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 23:03:56,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 23:03:56,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 23:03:56,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 23:03:56,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 23:03:56,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 23:03:56,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 23:03:56,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 23:03:56,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 23:03:56,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 23:03:56,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 23:03:56,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 23:03:56,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 23:03:56,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 23:03:56,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 23:03:56,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 23:03:56,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 23:03:56,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 23:03:56,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 23:03:56,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 23:03:56,661 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 23:03:56,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 23:03:56,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 23:03:56,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 23:03:56,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 23:03:56,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 23:03:56,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 23:03:56,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 23:03:56,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 23:03:56,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 23:03:56,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 23:03:56,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 23:03:56,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 23:03:56,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:03:56,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 23:03:56,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 23:03:56,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 23:03:56,665 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d8b5395dabd671829ca650f94e01b5609ae7cf50a91d0441ebe3b628ffebe38 [2021-11-05 23:03:56,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 23:03:56,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 23:03:56,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 23:03:56,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 23:03:56,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 23:03:56,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-05 23:03:56,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc7e4e9c/8c21e3847c014bd2a7a0b1971c59a94e/FLAG38af45307 [2021-11-05 23:03:57,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 23:03:57,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-05 23:03:57,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc7e4e9c/8c21e3847c014bd2a7a0b1971c59a94e/FLAG38af45307 [2021-11-05 23:03:58,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc7e4e9c/8c21e3847c014bd2a7a0b1971c59a94e [2021-11-05 23:03:58,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 23:03:58,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 23:03:58,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 23:03:58,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 23:03:58,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 23:03:58,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:03:58" (1/1) ... [2021-11-05 23:03:58,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eac709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:03:58, skipping insertion in model container [2021-11-05 23:03:58,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:03:58" (1/1) ... [2021-11-05 23:03:58,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 23:03:58,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 23:04:01,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533653,533666] [2021-11-05 23:04:01,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533800,533813] [2021-11-05 23:04:01,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533939,533952] [2021-11-05 23:04:01,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[534097,534110] [2021-11-05 23:04:01,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:04:01,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 23:04:02,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533653,533666] [2021-11-05 23:04:02,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533800,533813] [2021-11-05 23:04:02,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[533939,533952] [2021-11-05 23:04:02,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[534097,534110] [2021-11-05 23:04:02,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:04:02,510 INFO L208 MainTranslator]: Completed translation [2021-11-05 23:04:02,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02 WrapperNode [2021-11-05 23:04:02,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 23:04:02,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 23:04:02,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 23:04:02,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 23:04:02,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ... [2021-11-05 23:04:02,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ... [2021-11-05 23:14:17,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 23:14:17,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 23:14:17,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 23:14:17,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 23:14:17,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ... [2021-11-05 23:14:17,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ... [2021-11-05 23:14:25,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ... [2021-11-05 23:14:25,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:04:02" (1/1) ...