./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.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_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/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_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/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_48d6e8bc-a832-4f22-8bec-6731786d887f/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 c7a7833df7d339fd3a0beeb885fc525f74575db66c7db7a66a400d6bf4b1189c --- 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 03:35:06,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:35:06,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:35:06,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:35:06,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:35:06,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:35:06,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:35:06,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:35:06,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:35:06,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:35:06,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:35:06,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:35:06,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:35:06,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:35:06,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:35:06,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:35:06,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:35:06,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:35:06,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:35:06,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:35:06,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:35:06,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:35:06,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:35:06,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:35:06,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:35:06,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:35:06,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:35:06,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:35:06,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:35:06,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:35:06,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:35:06,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:35:06,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:35:06,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:35:06,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:35:06,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:35:06,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:35:06,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:35:06,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:35:06,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:35:06,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:35:06,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:35:06,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:35:06,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:35:06,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:35:06,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:35:06,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:35:06,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:35:06,764 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:35:06,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:35:06,764 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:35:06,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:35:06,765 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:35:06,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:35:06,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:35:06,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:35:06,766 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:35:06,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:35:06,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:35:06,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:35:06,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:35:06,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:35:06,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:35:06,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:35:06,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:35:06,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:35:06,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:35:06,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:35:06,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:35:06,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:35:06,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:35:06,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:35:06,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:35:06,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:35:06,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:35:06,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:35:06,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:35:06,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:35:06,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:35:06,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:35:06,775 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_48d6e8bc-a832-4f22-8bec-6731786d887f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7a7833df7d339fd3a0beeb885fc525f74575db66c7db7a66a400d6bf4b1189c [2022-11-03 03:35:07,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:35:07,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:35:07,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:35:07,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:35:07,109 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:35:07,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-11-03 03:35:07,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/data/2b61d19be/89b6dbc6c0584a4a993e94b9135fdc99/FLAG3f04095f0 [2022-11-03 03:35:09,288 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:35:09,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-11-03 03:35:09,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/data/2b61d19be/89b6dbc6c0584a4a993e94b9135fdc99/FLAG3f04095f0 [2022-11-03 03:35:09,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d6e8bc-a832-4f22-8bec-6731786d887f/bin/utaipan-7li7fVZpFI/data/2b61d19be/89b6dbc6c0584a4a993e94b9135fdc99 [2022-11-03 03:35:09,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:35:09,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:35:09,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:35:09,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:35:09,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:35:09,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:09,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9c7c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:35:09, skipping insertion in model container [2022-11-03 03:35:09,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:35:09" (1/1) ... [2022-11-03 03:35:09,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:35:10,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:35:54,672 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2155980,2155993] [2022-11-03 03:35:54,676 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156127,2156140] [2022-11-03 03:35:54,677 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156266,2156279] [2022-11-03 03:35:54,678 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156424,2156437] [2022-11-03 03:35:54,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:35:54,959 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:36:00,686 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2155980,2155993] [2022-11-03 03:36:00,709 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156127,2156140] [2022-11-03 03:36:00,710 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156266,2156279] [2022-11-03 03:36:00,710 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_48d6e8bc-a832-4f22-8bec-6731786d887f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2156424,2156437] [2022-11-03 03:36:00,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:36:03,061 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:36:03,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:36:03 WrapperNode [2022-11-03 03:36:03,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:36:03,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:36:03,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:36:03,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:36:03,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:36:03" (1/1) ... [2022-11-03 03:36:03,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:36:03" (1/1) ...