./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/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 30ad131541823a262ed10f0c521cf30e0cb9f24b5b2150e83be16fa2975cd990 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:58:04,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:58:04,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:58:04,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:58:04,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:58:04,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:58:04,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:58:04,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:58:04,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:58:04,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:58:04,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:58:04,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:58:04,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:58:04,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:58:04,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:58:04,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:58:04,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:58:04,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:58:04,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:58:04,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:58:04,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:58:04,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:58:04,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:58:04,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:58:04,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:58:04,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:58:04,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:58:04,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:58:04,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:58:04,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:58:04,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:58:04,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:58:04,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:58:04,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:58:04,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:58:04,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:58:04,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:58:04,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:58:04,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:58:04,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:58:04,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:58:04,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:58:04,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:58:04,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:58:04,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:58:04,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:58:04,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:58:04,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:58:04,858 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:58:04,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:58:04,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:58:04,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:58:04,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:58:04,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:58:04,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:58:04,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:58:04,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:58:04,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:58:04,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:58:04,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:58:04,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:58:04,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:58:04,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:58:04,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:58:04,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:58:04,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:58:04,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:58:04,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:58:04,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:58:04,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:58:04,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:58:04,866 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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30ad131541823a262ed10f0c521cf30e0cb9f24b5b2150e83be16fa2975cd990 [2021-11-22 14:58:05,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:58:05,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:58:05,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:58:05,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:58:05,238 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:58:05,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2021-11-22 14:58:05,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/data/c392ba692/3c186791fa8645048e62bc0ad47d3caf/FLAG24a2216e7 [2021-11-22 14:58:07,421 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:58:07,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2021-11-22 14:58:07,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/data/c392ba692/3c186791fa8645048e62bc0ad47d3caf/FLAG24a2216e7 [2021-11-22 14:58:08,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/bin/uautomizer-w2VwFs6gM0/data/c392ba692/3c186791fa8645048e62bc0ad47d3caf [2021-11-22 14:58:08,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:58:08,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:58:08,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:58:08,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:58:08,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:58:08,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:58:08" (1/1) ... [2021-11-22 14:58:08,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b4062d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:08, skipping insertion in model container [2021-11-22 14:58:08,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:58:08" (1/1) ... [2021-11-22 14:58:08,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:58:08,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:58:51,953 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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2149920,2149933] [2021-11-22 14:58:52,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:58:52,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:58:55,359 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_af2039a2-36a5-4fc2-b3c4-53b2f4395aee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2149920,2149933] [2021-11-22 14:58:55,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:58:57,610 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:58:57,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:57 WrapperNode [2021-11-22 14:58:57,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:58:57,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:58:57,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:58:57,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:58:57,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:57" (1/1) ... [2021-11-22 14:58:58,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:57" (1/1) ...