./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.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_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/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_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/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_5d8d5180-3408-46a3-b9cf-11c0180145b8/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 c7b7f07053c0f246ab44cf8c11619bb599c3ec00fd9c19c3b42c9a8f7c1bfb5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 23:11:36,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:11:36,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:11:36,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:11:36,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:11:36,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:11:36,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:11:36,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:11:36,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:11:36,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:11:36,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:11:36,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:11:36,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:11:36,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:11:36,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:11:36,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:11:36,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:11:36,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:11:36,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:11:36,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:11:36,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:11:36,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:11:36,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:11:36,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:11:36,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:11:36,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:11:36,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:11:36,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:11:36,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:11:36,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:11:36,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:11:36,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:11:36,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:11:36,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:11:36,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:11:36,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:11:36,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:11:36,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:11:36,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:11:36,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:11:36,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:11:36,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 23:11:36,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:11:36,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:11:36,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:11:36,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:11:36,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:11:36,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:11:36,895 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:11:36,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:11:36,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:11:36,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:11:36,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 23:11:36,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 23:11:36,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 23:11:36,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:11:36,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:11:36,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 23:11:36,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:11:36,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:11:36,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 23:11:36,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:11:36,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:11:36,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 23:11:36,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 23:11:36,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:11:36,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 23:11:36,901 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 23:11:36,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 23:11:36,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 23:11:36,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:11:36,904 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_5d8d5180-3408-46a3-b9cf-11c0180145b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b7f07053c0f246ab44cf8c11619bb599c3ec00fd9c19c3b42c9a8f7c1bfb5b [2021-11-02 23:11:37,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:11:37,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:11:37,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:11:37,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:11:37,232 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:11:37,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i [2021-11-02 23:11:37,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/data/b2b8fcb97/9b9fc8f9eab4484cbb7dc0e849a99b79/FLAG5a85f9035 [2021-11-02 23:11:38,977 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:11:38,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i [2021-11-02 23:11:39,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/data/b2b8fcb97/9b9fc8f9eab4484cbb7dc0e849a99b79/FLAG5a85f9035 [2021-11-02 23:11:39,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8d5180-3408-46a3-b9cf-11c0180145b8/bin/uautomizer-tBqnrhUYjU/data/b2b8fcb97/9b9fc8f9eab4484cbb7dc0e849a99b79 [2021-11-02 23:11:39,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:11:39,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:11:39,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:11:39,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:11:39,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:11:39,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:39" (1/1) ... [2021-11-02 23:11:39,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5b67b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:39, skipping insertion in model container [2021-11-02 23:11:39,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:39" (1/1) ... [2021-11-02 23:11:39,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:11:39,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:12:00,008 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_5d8d5180-3408-46a3-b9cf-11c0180145b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i[1287209,1287222] [2021-11-02 23:12:00,011 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_5d8d5180-3408-46a3-b9cf-11c0180145b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i[1287354,1287367] [2021-11-02 23:12:00,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:12:00,255 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:12:02,591 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_5d8d5180-3408-46a3-b9cf-11c0180145b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i[1287209,1287222] [2021-11-02 23:12:02,592 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_5d8d5180-3408-46a3-b9cf-11c0180145b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-i40e-i40e.cil.i[1287354,1287367] [2021-11-02 23:12:02,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:12:03,482 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:12:03,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:03 WrapperNode [2021-11-02 23:12:03,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:12:03,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:12:03,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:12:03,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:12:03,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:03" (1/1) ... [2021-11-02 23:12:03,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:03" (1/1) ...