./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a3ce92b4fa97290bfce2585c8e16b416b78b6a9fb4820bd3e1a943e1210b2dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:04:07,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:04:07,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:04:07,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:04:07,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:04:07,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:04:07,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:04:07,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:04:07,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:04:07,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:04:07,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:04:07,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:04:07,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:04:07,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:04:07,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:04:07,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:04:07,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:04:07,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:04:07,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:04:07,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:04:07,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:04:07,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:04:07,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:04:07,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:04:07,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:04:07,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:04:07,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:04:07,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:04:07,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:04:07,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:04:07,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:04:07,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:04:07,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:04:07,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:04:07,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:04:07,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:04:07,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:04:07,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:04:07,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:04:07,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:04:07,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:04:07,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 16:04:07,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:04:07,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:04:07,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:04:07,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:04:07,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:04:07,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:04:07,445 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:04:07,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:04:07,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:04:07,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:04:07,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:04:07,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:04:07,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:04:07,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:04:07,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:04:07,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:04:07,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:04:07,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:04:07,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:04:07,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:04:07,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:04:07,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:04:07,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:04:07,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:04:07,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:04:07,453 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:04:07,453 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:04:07,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:04:07,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:04:07,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3ce92b4fa97290bfce2585c8e16b416b78b6a9fb4820bd3e1a943e1210b2dc [2021-11-22 16:04:07,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:04:07,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:04:07,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:04:07,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:04:07,807 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:04:07,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2021-11-22 16:04:07,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/data/c34631008/4d757774b3a14010bb3810c54c222201/FLAGc90b27983 [2021-11-22 16:04:09,413 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:04:09,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2021-11-22 16:04:09,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/data/c34631008/4d757774b3a14010bb3810c54c222201/FLAGc90b27983 [2021-11-22 16:04:09,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312820b5-cc36-4358-ac55-aa5ea1695a9e/bin/uautomizer-w2VwFs6gM0/data/c34631008/4d757774b3a14010bb3810c54c222201 [2021-11-22 16:04:09,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:04:09,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:04:09,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:04:09,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:04:09,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:04:09,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:04:09" (1/1) ... [2021-11-22 16:04:09,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6c8a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:09, skipping insertion in model container [2021-11-22 16:04:09,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:04:09" (1/1) ... [2021-11-22 16:04:09,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:04:10,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:04:21,208 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_312820b5-cc36-4358-ac55-aa5ea1695a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[851903,851916] [2021-11-22 16:04:21,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:04:21,487 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:04:22,927 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_312820b5-cc36-4358-ac55-aa5ea1695a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[851903,851916] [2021-11-22 16:04:22,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:04:23,493 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:04:23,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:23 WrapperNode [2021-11-22 16:04:23,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:04:23,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:04:23,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:04:23,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:04:23,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:23" (1/1) ... [2021-11-22 16:04:24,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:23" (1/1) ...