./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 46f642dab67f6c4b290934610b0b237cf76052b3a08cf173007dddb6b771d020 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 20:00:17,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 20:00:17,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 20:00:17,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 20:00:17,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 20:00:17,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 20:00:17,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 20:00:17,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 20:00:17,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 20:00:17,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 20:00:17,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 20:00:17,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 20:00:17,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 20:00:17,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 20:00:17,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 20:00:17,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 20:00:17,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 20:00:17,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 20:00:17,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 20:00:17,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 20:00:17,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 20:00:17,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 20:00:17,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 20:00:17,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 20:00:17,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 20:00:17,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 20:00:17,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 20:00:17,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 20:00:17,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 20:00:17,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 20:00:17,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 20:00:17,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 20:00:17,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 20:00:17,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 20:00:17,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 20:00:17,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 20:00:17,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 20:00:17,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 20:00:17,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 20:00:17,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 20:00:17,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 20:00:17,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 20:00:17,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 20:00:17,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 20:00:17,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 20:00:17,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 20:00:17,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 20:00:17,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 20:00:17,170 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 20:00:17,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 20:00:17,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 20:00:17,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 20:00:17,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 20:00:17,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 20:00:17,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 20:00:17,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 20:00:17,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 20:00:17,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 20:00:17,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 20:00:17,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 20:00:17,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 20:00:17,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 20:00:17,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 20:00:17,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 20:00:17,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 20:00:17,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 20:00:17,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 20:00:17,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 20:00:17,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 20:00:17,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 20:00:17,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 20:00:17,176 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46f642dab67f6c4b290934610b0b237cf76052b3a08cf173007dddb6b771d020 [2021-11-06 20:00:17,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 20:00:17,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 20:00:17,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 20:00:17,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 20:00:17,500 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 20:00:17,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-06 20:00:17,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5ed164e/c2752cf7aec2411785eb273fbea2d8ea/FLAG54f5a222f [2021-11-06 20:00:18,586 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 20:00:18,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-06 20:00:18,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5ed164e/c2752cf7aec2411785eb273fbea2d8ea/FLAG54f5a222f [2021-11-06 20:00:18,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5ed164e/c2752cf7aec2411785eb273fbea2d8ea [2021-11-06 20:00:18,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 20:00:18,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 20:00:18,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 20:00:18,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 20:00:18,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 20:00:18,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:00:18" (1/1) ... [2021-11-06 20:00:18,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f90c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:00:18, skipping insertion in model container [2021-11-06 20:00:18,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:00:18" (1/1) ... [2021-11-06 20:00:18,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 20:00:19,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 20:00:25,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591182,591195] [2021-11-06 20:00:25,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591329,591342] [2021-11-06 20:00:25,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591468,591481] [2021-11-06 20:00:25,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591626,591639] [2021-11-06 20:00:25,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 20:00:25,113 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 20:00:25,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591182,591195] [2021-11-06 20:00:25,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591329,591342] [2021-11-06 20:00:25,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591468,591481] [2021-11-06 20:00:25,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-wireless-airo.cil.i[591626,591639] [2021-11-06 20:00:25,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 20:00:25,902 INFO L208 MainTranslator]: Completed translation [2021-11-06 20:00:25,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:00:25 WrapperNode [2021-11-06 20:00:25,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 20:00:25,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 20:00:25,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 20:00:25,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 20:00:25,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:00:25" (1/1) ... [2021-11-06 20:00:26,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:00:25" (1/1) ...