./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU --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 32f9916f7f9134b7b5b1f7f2f6a1f8d1a864f890408a96f53f3c67d79fc8ddd5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:22:14,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:22:14,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:22:14,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:22:14,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:22:14,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:22:14,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:22:14,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:22:14,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:22:14,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:22:14,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:22:14,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:22:14,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:22:14,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:22:14,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:22:14,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:22:14,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:22:14,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:22:14,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:22:14,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:22:14,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:22:14,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:22:14,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:22:14,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:22:14,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:22:14,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:22:14,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:22:14,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:22:14,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:22:14,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:22:14,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:22:14,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:22:14,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:22:14,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:22:14,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:22:14,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:22:14,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:22:14,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:22:14,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:22:14,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:22:14,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:22:14,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:22:14,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:22:14,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:22:14,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:22:14,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:22:14,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:22:14,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:22:14,696 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:22:14,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:22:14,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:22:14,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:22:14,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:22:14,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:22:14,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:22:14,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:22:14,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:22:14,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:22:14,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:22:14,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:22:14,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:22:14,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:22:14,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:22:14,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:22:14,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:22:14,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:22:14,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:22:14,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:22:14,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:22:14,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:22:14,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:22:14,703 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f9916f7f9134b7b5b1f7f2f6a1f8d1a864f890408a96f53f3c67d79fc8ddd5 [2021-11-02 22:22:14,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:22:15,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:22:15,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:22:15,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:22:15,007 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:22:15,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i [2021-11-02 22:22:15,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/data/f0feb1f0b/725acac1f4804f98b26f87f88b1277ce/FLAG62d8d754f [2021-11-02 22:22:16,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:22:16,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i [2021-11-02 22:22:16,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/data/f0feb1f0b/725acac1f4804f98b26f87f88b1277ce/FLAG62d8d754f [2021-11-02 22:22:16,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b4f4bd-59ab-4c7f-a221-3f1480a645be/bin/uautomizer-tBqnrhUYjU/data/f0feb1f0b/725acac1f4804f98b26f87f88b1277ce [2021-11-02 22:22:16,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:22:16,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:22:16,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:22:16,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:22:16,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:22:16,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:16" (1/1) ... [2021-11-02 22:22:16,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36da4f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:16, skipping insertion in model container [2021-11-02 22:22:16,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:16" (1/1) ... [2021-11-02 22:22:16,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:22:17,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:22:28,740 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837360,837373] [2021-11-02 22:22:28,743 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837529,837542] [2021-11-02 22:22:28,743 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837696,837709] [2021-11-02 22:22:28,744 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837864,837877] [2021-11-02 22:22:28,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:22:28,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:22:29,735 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837360,837373] [2021-11-02 22:22:29,737 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837529,837542] [2021-11-02 22:22:29,737 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837696,837709] [2021-11-02 22:22:29,738 WARN L228 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_11b4f4bd-59ab-4c7f-a221-3f1480a645be/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837864,837877] [2021-11-02 22:22:29,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:22:30,522 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:22:30,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:30 WrapperNode [2021-11-02 22:22:30,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:22:30,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:22:30,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:22:30,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:22:30,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:30" (1/1) ... [2021-11-02 22:22:30,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:30" (1/1) ... [2021-11-02 22:23:11,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:23:11,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:23:11,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:23:11,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:23:11,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:30" (1/1) ... [2021-11-02 22:23:11,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:30" (1/1) ...