./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sfc-sfc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sfc-sfc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --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 735556a879e734ba70a2740498982f9d93eedcf181deb74aeb792a9ba054a866 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:30,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:30,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:30,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:30,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:30,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:30,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:30,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:30,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:30,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:30,200 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:30,201 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:30,201 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:30,201 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:30,202 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:30,202 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:30,202 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:30,203 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:30,203 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:30,205 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:30,206 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:30,207 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:30,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:30,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:30,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:30,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:30,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:30,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:30,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:30,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:30,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:30,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:30,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:30,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:30,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:30,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:30,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:30,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:30,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:30,216 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:30,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:30,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:30,217 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:30,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:30,218 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 735556a879e734ba70a2740498982f9d93eedcf181deb74aeb792a9ba054a866 [2024-11-02 12:27:30,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:30,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:30,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:30,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:30,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:30,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sfc-sfc.cil.i Unable to find full path for "g++" [2024-11-02 12:27:32,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:34,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:34,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sfc-sfc.cil.i [2024-11-02 12:27:34,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/data/c91471613/74411229161b4f84aab4811701ab07c8/FLAGc863887f0 [2024-11-02 12:27:34,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15425da6-9a57-418b-87fc-fb23ddf65f76/bin/utaipan-verify-DbMuA5NWw2/data/c91471613/74411229161b4f84aab4811701ab07c8 [2024-11-02 12:27:34,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:34,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:34,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:34,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:34,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:34,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d573bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34, skipping insertion in model container [2024-11-02 12:27:34,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:35,591 INFO L175 MainTranslator]: Built tables and reachable declarations