./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:37:42,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:37:42,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:37:42,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:37:42,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:37:42,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:37:42,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:37:42,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:37:42,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:37:42,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:37:42,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:37:42,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:37:42,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:37:42,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:37:42,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:37:42,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:37:42,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:37:42,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:37:42,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:37:42,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:37:42,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:37:42,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:37:42,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:37:42,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:37:42,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:37:42,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:37:42,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:37:42,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:37:42,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:37:42,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:37:42,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:37:42,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:37:42,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:37:42,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:37:42,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:37:42,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:37:42,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:37:42,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:37:42,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:37:42,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:37:42,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:37:42,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:37:42,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:37:42,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:37:42,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:37:42,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:37:42,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:37:42,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:37:42,487 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:37:42,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:37:42,495 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:37:42,496 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:37:42,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:37:42,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:37:42,498 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:37:42,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:37:42,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:37:42,499 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:37:42,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:37:42,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:37:42,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:37:42,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:37:42,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:37:42,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:37:42,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:37:42,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:37:42,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:37:42,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:37:42,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:37:42,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:37:42,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:37:42,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:37:42,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:37:42,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:37:42,513 INFO L138 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_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-19 14:37:42,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:37:42,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:37:42,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:37:42,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:37:42,875 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:37:42,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 14:37:42,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/29eb3c76f/7546f1322d0043cb8dd289763ccaf328/FLAG559fb5854 [2021-11-19 14:37:44,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:37:44,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 14:37:44,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/29eb3c76f/7546f1322d0043cb8dd289763ccaf328/FLAG559fb5854 [2021-11-19 14:37:44,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/29eb3c76f/7546f1322d0043cb8dd289763ccaf328 [2021-11-19 14:37:44,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:37:44,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:37:44,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:37:44,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:37:44,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:37:44,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:44" (1/1) ... [2021-11-19 14:37:44,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a73ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:44, skipping insertion in model container [2021-11-19 14:37:44,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:44" (1/1) ... [2021-11-19 14:37:44,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:37:45,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:37:47,738 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,747 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,801 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,801 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,802 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,811 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,812 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,812 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:47,813 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,485 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,500 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,518 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,531 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,544 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,608 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,641 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,656 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,661 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,666 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,672 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,674 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,679 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,686 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,708 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,729 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,745 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,749 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,752 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,761 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,769 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,794 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,845 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,890 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,891 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,897 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,908 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,912 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,915 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,918 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,920 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,923 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,928 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,933 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,938 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,940 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,945 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,948 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,950 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,951 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,955 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,960 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,965 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,973 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,975 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,976 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,981 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:48,985 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,005 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,012 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,073 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,092 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,099 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,108 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,109 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,116 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,121 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,130 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,145 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,156 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,165 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,176 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,191 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,201 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,218 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,239 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,243 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,245 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,253 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,256 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,258 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,286 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,296 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,304 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:49,318 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:50,030 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:50,100 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:50,100 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:50,125 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:50,142 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:37:51,235 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 14:37:51,239 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 14:37:51,240 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 14:37:51,247 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 14:37:51,293 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:37:51,375 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:37:51,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fe62734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:51, skipping insertion in model container [2021-11-19 14:37:51,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:37:51,377 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:37:51,380 INFO L158 Benchmark]: Toolchain (without parser) took 6507.33ms. Allocated memory was 100.7MB in the beginning and 182.5MB in the end (delta: 81.8MB). Free memory was 58.4MB in the beginning and 91.7MB in the end (delta: -33.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-11-19 14:37:51,381 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:37:51,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6504.39ms. Allocated memory was 100.7MB in the beginning and 182.5MB in the end (delta: 81.8MB). Free memory was 58.4MB in the beginning and 91.7MB in the end (delta: -33.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-11-19 14:37:51,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6504.39ms. Allocated memory was 100.7MB in the beginning and 182.5MB in the end (delta: 81.8MB). Free memory was 58.4MB in the beginning and 91.7MB in the end (delta: -33.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5904]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:37:54,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:37:54,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:37:54,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:37:54,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:37:54,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:37:54,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:37:54,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:37:54,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:37:54,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:37:54,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:37:54,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:37:54,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:37:54,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:37:54,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:37:54,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:37:54,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:37:54,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:37:54,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:37:54,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:37:54,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:37:54,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:37:54,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:37:54,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:37:54,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:37:54,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:37:54,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:37:54,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:37:54,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:37:54,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:37:54,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:37:54,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:37:54,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:37:54,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:37:54,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:37:54,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:37:54,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:37:54,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:37:54,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:37:54,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:37:54,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:37:54,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:37:54,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:37:54,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:37:54,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:37:54,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:37:54,537 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:37:54,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:37:54,538 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:37:54,538 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:37:54,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:37:54,538 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:37:54,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:37:54,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:37:54,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:37:54,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:37:54,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:37:54,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:37:54,541 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:37:54,541 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:37:54,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:37:54,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:37:54,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:37:54,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:37:54,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:37:54,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:37:54,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:37:54,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:37:54,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:37:54,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:37:54,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:37:54,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:37:54,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:37:54,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:37:54,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:37:54,546 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-19 14:37:55,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:37:55,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:37:55,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:37:55,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:37:55,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:37:55,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 14:37:55,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/9a6cfad0b/52b8757d6d244e66a74d629063aca7d4/FLAGddbe7386a [2021-11-19 14:37:56,760 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:37:56,762 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 14:37:56,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/9a6cfad0b/52b8757d6d244e66a74d629063aca7d4/FLAGddbe7386a [2021-11-19 14:37:57,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/data/9a6cfad0b/52b8757d6d244e66a74d629063aca7d4 [2021-11-19 14:37:57,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:37:57,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:37:57,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:37:57,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:37:57,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:37:57,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:57" (1/1) ... [2021-11-19 14:37:57,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9264e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:57, skipping insertion in model container [2021-11-19 14:37:57,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:57" (1/1) ... [2021-11-19 14:37:57,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:37:57,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:38:03,777 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 14:38:03,781 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 14:38:03,782 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 14:38:03,783 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 14:38:03,823 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:38:03,876 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:38:04,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:38:04,803 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 14:38:04,804 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 14:38:04,805 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 14:38:04,806 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 14:38:04,814 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:38:04,863 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:38:05,804 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 14:38:05,804 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 14:38:05,805 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 14:38:05,806 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_f743bdef-ac11-4c81-8503-d43cb283074b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 14:38:05,818 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:38:06,254 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:38:06,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06 WrapperNode [2021-11-19 14:38:06,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:38:06,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:38:06,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:38:06,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:38:06,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:06,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:06,881 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8338 [2021-11-19 14:38:06,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:38:06,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:38:06,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:38:06,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:38:06,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:06,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:06,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:06,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:07,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:07,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:07,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:07,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:38:07,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:38:07,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:38:07,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:38:07,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (1/1) ... [2021-11-19 14:38:07,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:38:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:38:07,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:38:07,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:38:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-19 14:38:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-19 14:38:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:38:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:38:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:38:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:38:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:38:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:38:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-19 14:38:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-19 14:38:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-19 14:38:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-19 14:38:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 14:38:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 14:38:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-19 14:38:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-19 14:38:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:38:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:38:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-19 14:38:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-19 14:38:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-19 14:38:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-19 14:38:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-19 14:38:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-19 14:38:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:38:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:38:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-19 14:38:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-19 14:38:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-11-19 14:38:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-11-19 14:38:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:38:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:38:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-19 14:38:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-19 14:38:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-19 14:38:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-19 14:38:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:38:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:38:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-19 14:38:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-19 14:38:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 14:38:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 14:38:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-19 14:38:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-19 14:38:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 14:38:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 14:38:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:38:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:38:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-19 14:38:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-19 14:38:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-19 14:38:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-19 14:38:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:38:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:38:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:38:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:38:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-19 14:38:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-19 14:38:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-19 14:38:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:38:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-19 14:38:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-19 14:38:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:38:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 14:38:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 14:38:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:38:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:38:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-19 14:38:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-19 14:38:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-19 14:38:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-19 14:38:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:38:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:38:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 14:38:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 14:38:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:38:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:38:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-19 14:38:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-19 14:38:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-19 14:38:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-19 14:38:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:38:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:38:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:38:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:38:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:38:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:38:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-19 14:38:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-19 14:38:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:38:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:38:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:38:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:38:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:38:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:38:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:38:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:38:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-19 14:38:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-19 14:38:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:38:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:38:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-19 14:38:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-19 14:38:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:38:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:38:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 14:38:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 14:38:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-19 14:38:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-19 14:38:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:38:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:38:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 14:38:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 14:38:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-19 14:38:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-19 14:38:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:38:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:38:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:38:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:38:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:38:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-19 14:38:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-19 14:38:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:38:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-19 14:38:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-19 14:38:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:38:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:38:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:38:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:38:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:38:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:38:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:38:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:38:07,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:38:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:38:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-19 14:38:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-19 14:38:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 14:38:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 14:38:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-19 14:38:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-19 14:38:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-19 14:38:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-19 14:38:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-19 14:38:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-19 14:38:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:38:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:38:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-19 14:38:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-19 14:38:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:38:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:38:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-19 14:38:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-19 14:38:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:38:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:38:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 14:38:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 14:38:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:38:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-19 14:38:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-19 14:38:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-19 14:38:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-19 14:38:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:38:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:38:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-19 14:38:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-19 14:38:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:38:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:38:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:38:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:38:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-19 14:38:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-19 14:38:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:38:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:38:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:38:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:38:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:38:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:38:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-19 14:38:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-19 14:38:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:38:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:38:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 14:38:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 14:38:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-19 14:38:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-19 14:38:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-19 14:38:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-19 14:38:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:38:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:38:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-19 14:38:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-19 14:38:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-19 14:38:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-19 14:38:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-19 14:38:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-19 14:38:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-19 14:38:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-19 14:38:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-19 14:38:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-19 14:38:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:38:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:38:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-19 14:38:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-19 14:38:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:38:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:38:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-19 14:38:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-19 14:38:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 14:38:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 14:38:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-19 14:38:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-19 14:38:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-19 14:38:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-19 14:38:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 14:38:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 14:38:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-19 14:38:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-19 14:38:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:38:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-19 14:38:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-19 14:38:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-19 14:38:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-19 14:38:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-19 14:38:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-19 14:38:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-19 14:38:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-19 14:38:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:38:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-19 14:38:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-19 14:38:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-19 14:38:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:38:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:38:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:38:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-19 14:38:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-19 14:38:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-19 14:38:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-19 14:38:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-19 14:38:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-19 14:38:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-19 14:38:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-19 14:38:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:38:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:38:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 14:38:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 14:38:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 14:38:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 14:38:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-19 14:38:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-19 14:38:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:38:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:38:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-19 14:38:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-19 14:38:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-19 14:38:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-19 14:38:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-19 14:38:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-19 14:38:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-19 14:38:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-19 14:38:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-19 14:38:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-19 14:38:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 14:38:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 14:38:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:38:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:38:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:38:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:38:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-19 14:38:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-19 14:38:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:38:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:38:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 14:38:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 14:38:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-11-19 14:38:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-11-19 14:38:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-19 14:38:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-19 14:38:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-19 14:38:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-19 14:38:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:38:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:38:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:38:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:38:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:38:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:38:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-19 14:38:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-19 14:38:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:38:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:38:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-19 14:38:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-19 14:38:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 14:38:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 14:38:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-19 14:38:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-19 14:38:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-19 14:38:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-19 14:38:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-19 14:38:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-19 14:38:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-19 14:38:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-19 14:38:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:38:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:38:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-19 14:38:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-19 14:38:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-19 14:38:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-19 14:38:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-19 14:38:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-19 14:38:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-19 14:38:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-19 14:38:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-19 14:38:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-19 14:38:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-19 14:38:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-19 14:38:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 14:38:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 14:38:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-19 14:38:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-19 14:38:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-19 14:38:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-19 14:38:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-19 14:38:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-19 14:38:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-19 14:38:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-19 14:38:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-19 14:38:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-19 14:38:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-19 14:38:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-19 14:38:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:38:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:38:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 14:38:09,450 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:38:09,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:38:13,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:39:43,848 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:39:44,605 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:39:44,642 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:39:44,642 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-19 14:39:44,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:44 BoogieIcfgContainer [2021-11-19 14:39:44,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:39:44,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:39:44,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:39:44,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:39:44,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:37:57" (1/3) ... [2021-11-19 14:39:44,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44789b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:39:44, skipping insertion in model container [2021-11-19 14:39:44,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:06" (2/3) ... [2021-11-19 14:39:44,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44789b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:39:44, skipping insertion in model container [2021-11-19 14:39:44,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:44" (3/3) ... [2021-11-19 14:39:44,667 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 14:39:44,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:39:44,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:39:44,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:39:44,763 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:39:44,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:39:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-11-19 14:39:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-19 14:39:44,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:39:44,884 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:39:44,885 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:39:44,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:39:44,891 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2021-11-19 14:39:44,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:39:44,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54433375] [2021-11-19 14:39:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:39:44,913 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:39:44,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:39:44,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:39:44,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:39:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:39:47,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:39:47,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:39:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 14:39:47,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:39:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 14:39:48,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:39:48,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54433375] [2021-11-19 14:39:48,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54433375] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:39:48,533 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:39:48,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:39:48,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665237384] [2021-11-19 14:39:48,536 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:39:48,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:39:48,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:39:48,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:39:48,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:39:48,588 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-19 14:39:50,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:40:19,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:19,124 INFO L93 Difference]: Finished difference Result 15466 states and 23296 transitions. [2021-11-19 14:40:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:40:19,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 189 [2021-11-19 14:40:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:19,294 INFO L225 Difference]: With dead ends: 15466 [2021-11-19 14:40:19,294 INFO L226 Difference]: Without dead ends: 11519 [2021-11-19 14:40:19,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:19,381 INFO L933 BasicCegarLoop]: 7613 mSDtfsCounter, 14919 mSDsluCounter, 9313 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 1885 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14919 SdHoareTripleChecker+Valid, 16926 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:19,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14919 Valid, 16926 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1885 Valid, 1949 Invalid, 1 Unknown, 0 Unchecked, 29.3s Time] [2021-11-19 14:40:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-11-19 14:40:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11492. [2021-11-19 14:40:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11492 states, 8201 states have (on average 1.3531276673576393) internal successors, (11097), 8337 states have internal predecessors, (11097), 2837 states have call successors, (2837), 452 states have call predecessors, (2837), 451 states have return successors, (2834), 2792 states have call predecessors, (2834), 2834 states have call successors, (2834) [2021-11-19 14:40:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11492 states to 11492 states and 16768 transitions. [2021-11-19 14:40:20,490 INFO L78 Accepts]: Start accepts. Automaton has 11492 states and 16768 transitions. Word has length 189 [2021-11-19 14:40:20,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:20,492 INFO L470 AbstractCegarLoop]: Abstraction has 11492 states and 16768 transitions. [2021-11-19 14:40:20,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-19 14:40:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 11492 states and 16768 transitions. [2021-11-19 14:40:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-19 14:40:20,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:20,502 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:20,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:40:20,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:40:20,717 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:40:20,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:20,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2021-11-19 14:40:20,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:40:20,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696375730] [2021-11-19 14:40:20,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:20,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:40:20,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:40:20,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:40:20,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:40:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:22,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:40:22,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:40:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 14:40:23,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:40:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 14:40:24,554 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:40:24,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696375730] [2021-11-19 14:40:24,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696375730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:24,555 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:24,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:40:24,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56946647] [2021-11-19 14:40:24,555 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:24,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:40:24,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:40:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:40:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:24,559 INFO L87 Difference]: Start difference. First operand 11492 states and 16768 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:40:26,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:40:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:51,909 INFO L93 Difference]: Finished difference Result 44591 states and 66043 transitions. [2021-11-19 14:40:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:40:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 195 [2021-11-19 14:40:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:52,337 INFO L225 Difference]: With dead ends: 44591 [2021-11-19 14:40:52,338 INFO L226 Difference]: Without dead ends: 33134 [2021-11-19 14:40:52,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:52,469 INFO L933 BasicCegarLoop]: 7698 mSDtfsCounter, 10888 mSDsluCounter, 14232 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10888 SdHoareTripleChecker+Valid, 21930 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:52,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10888 Valid, 21930 Invalid, 1890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1873 Invalid, 1 Unknown, 0 Unchecked, 25.4s Time] [2021-11-19 14:40:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33134 states. [2021-11-19 14:40:54,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33134 to 33058. [2021-11-19 14:40:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33058 states, 23559 states have (on average 1.3549386646292287) internal successors, (31921), 23981 states have internal predecessors, (31921), 8163 states have call successors, (8163), 1346 states have call predecessors, (8163), 1333 states have return successors, (9132), 8000 states have call predecessors, (9132), 8160 states have call successors, (9132) [2021-11-19 14:40:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33058 states to 33058 states and 49216 transitions. [2021-11-19 14:40:55,154 INFO L78 Accepts]: Start accepts. Automaton has 33058 states and 49216 transitions. Word has length 195 [2021-11-19 14:40:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:55,155 INFO L470 AbstractCegarLoop]: Abstraction has 33058 states and 49216 transitions. [2021-11-19 14:40:55,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:40:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 33058 states and 49216 transitions. [2021-11-19 14:40:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-19 14:40:55,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:55,166 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:55,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:40:55,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:40:55,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:40:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:55,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2021-11-19 14:40:55,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:40:55,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131438284] [2021-11-19 14:40:55,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:55,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:40:55,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:40:55,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:40:55,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:40:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:57,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:40:57,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:40:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 14:40:58,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:40:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 14:40:59,163 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:40:59,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131438284] [2021-11-19 14:40:59,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131438284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:59,163 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:59,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:40:59,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596390329] [2021-11-19 14:40:59,164 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:59,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:40:59,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:40:59,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:40:59,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:59,166 INFO L87 Difference]: Start difference. First operand 33058 states and 49216 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:41:01,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:41:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:04,576 INFO L93 Difference]: Finished difference Result 98714 states and 147020 transitions. [2021-11-19 14:41:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:41:04,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 207 [2021-11-19 14:41:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:05,296 INFO L225 Difference]: With dead ends: 98714 [2021-11-19 14:41:05,296 INFO L226 Difference]: Without dead ends: 65691 [2021-11-19 14:41:05,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:05,660 INFO L933 BasicCegarLoop]: 6640 mSDtfsCounter, 5552 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:05,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 14:41:05,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65691 states. [2021-11-19 14:41:09,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65691 to 65647. [2021-11-19 14:41:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65647 states, 46773 states have (on average 1.3552263057746992) internal successors, (63388), 47615 states have internal predecessors, (63388), 16206 states have call successors, (16206), 2690 states have call predecessors, (16206), 2665 states have return successors, (18162), 15881 states have call predecessors, (18162), 16203 states have call successors, (18162) [2021-11-19 14:41:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65647 states to 65647 states and 97756 transitions. [2021-11-19 14:41:11,207 INFO L78 Accepts]: Start accepts. Automaton has 65647 states and 97756 transitions. Word has length 207 [2021-11-19 14:41:11,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:11,209 INFO L470 AbstractCegarLoop]: Abstraction has 65647 states and 97756 transitions. [2021-11-19 14:41:11,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:41:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 65647 states and 97756 transitions. [2021-11-19 14:41:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-19 14:41:11,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:11,221 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:11,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:11,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:11,445 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:41:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2021-11-19 14:41:11,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:11,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252276365] [2021-11-19 14:41:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:11,450 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:11,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:11,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:41:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:13,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:41:13,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 14:41:14,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 14:41:15,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:15,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252276365] [2021-11-19 14:41:15,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252276365] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:15,613 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:15,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:41:15,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065323905] [2021-11-19 14:41:15,614 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:15,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:41:15,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:41:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:15,617 INFO L87 Difference]: Start difference. First operand 65647 states and 97756 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:41:17,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:41:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:23,613 INFO L93 Difference]: Finished difference Result 196091 states and 292136 transitions. [2021-11-19 14:41:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:41:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 205 [2021-11-19 14:41:23,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:24,620 INFO L225 Difference]: With dead ends: 196091 [2021-11-19 14:41:24,620 INFO L226 Difference]: Without dead ends: 130479 [2021-11-19 14:41:25,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:25,236 INFO L933 BasicCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 12283 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:25,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 14:41:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130479 states. [2021-11-19 14:41:32,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130479 to 130423. [2021-11-19 14:41:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130423 states, 92889 states have (on average 1.355402684925018) internal successors, (125902), 94571 states have internal predecessors, (125902), 32202 states have call successors, (32202), 5378 states have call predecessors, (32202), 5329 states have return successors, (36171), 31553 states have call predecessors, (36171), 32199 states have call successors, (36171) [2021-11-19 14:41:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130423 states to 130423 states and 194275 transitions. [2021-11-19 14:41:33,930 INFO L78 Accepts]: Start accepts. Automaton has 130423 states and 194275 transitions. Word has length 205 [2021-11-19 14:41:33,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:33,931 INFO L470 AbstractCegarLoop]: Abstraction has 130423 states and 194275 transitions. [2021-11-19 14:41:33,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:41:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 130423 states and 194275 transitions. [2021-11-19 14:41:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-19 14:41:33,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:33,939 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:33,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:34,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:34,165 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:41:34,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2021-11-19 14:41:34,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:34,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273248432] [2021-11-19 14:41:34,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:34,168 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:34,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:34,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:34,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f743bdef-ac11-4c81-8503-d43cb283074b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:41:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:36,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1718 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:41:36,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 14:41:37,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 14:41:38,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:38,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273248432] [2021-11-19 14:41:38,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273248432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:38,015 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:38,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:41:38,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476883023] [2021-11-19 14:41:38,015 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:38,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:41:38,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:41:38,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:38,017 INFO L87 Difference]: Start difference. First operand 130423 states and 194275 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:41:40,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []