./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-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_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/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_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/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_dce70867-ffd0-4533-9b40-67f8e40b72da/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 a32ccda748c013e88b728e99f9bbc885448a8efba78a0d5ce67d1b43434e1d01 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:27:47,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:27:47,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:27:47,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:27:47,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:27:47,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:27:47,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:27:47,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:27:47,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:27:47,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:27:47,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:27:47,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:27:47,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:27:47,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:27:47,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:27:47,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:27:47,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:27:47,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:27:47,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:27:47,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:27:47,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:27:47,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:27:47,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:27:47,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:27:47,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:27:47,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:27:47,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:27:47,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:27:47,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:27:47,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:27:47,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:27:47,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:27:47,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:27:47,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:27:47,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:27:47,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:27:47,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:27:47,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:27:47,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:27:47,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:27:47,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:27:47,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:27:47,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:27:47,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:27:47,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:27:47,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:27:47,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:27:47,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:27:47,738 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:27:47,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:27:47,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:27:47,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:27:47,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:27:47,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:27:47,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:27:47,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:27:47,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:27:47,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:27:47,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:27:47,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:27:47,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:27:47,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:27:47,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:27:47,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:27:47,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:27:47,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:27:47,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:27:47,744 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:27:47,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:27:47,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:27:47,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:27:47,746 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_dce70867-ffd0-4533-9b40-67f8e40b72da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32ccda748c013e88b728e99f9bbc885448a8efba78a0d5ce67d1b43434e1d01 [2021-11-22 14:27:48,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:27:48,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:27:48,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:27:48,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:27:48,076 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:27:48,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2021-11-22 14:27:48,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/data/a8bca6e7a/a7adad26affc40a3a9d03d482ad582f7/FLAG42c07da04 [2021-11-22 14:27:50,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:27:50,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2021-11-22 14:27:50,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/data/a8bca6e7a/a7adad26affc40a3a9d03d482ad582f7/FLAG42c07da04 [2021-11-22 14:27:50,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce70867-ffd0-4533-9b40-67f8e40b72da/bin/uautomizer-w2VwFs6gM0/data/a8bca6e7a/a7adad26affc40a3a9d03d482ad582f7 [2021-11-22 14:27:50,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:27:50,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:27:50,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:27:50,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:27:51,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:27:51,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:27:50" (1/1) ... [2021-11-22 14:27:51,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1837348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:51, skipping insertion in model container [2021-11-22 14:27:51,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:27:50" (1/1) ... [2021-11-22 14:27:51,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:27:51,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:28:41,422 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185227,2185240] [2021-11-22 14:28:41,426 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185374,2185387] [2021-11-22 14:28:41,427 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185513,2185526] [2021-11-22 14:28:41,427 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185671,2185684] [2021-11-22 14:28:41,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:28:41,732 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:28:46,571 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185227,2185240] [2021-11-22 14:28:46,572 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185374,2185387] [2021-11-22 14:28:46,572 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185513,2185526] [2021-11-22 14:28:46,573 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_dce70867-ffd0-4533-9b40-67f8e40b72da/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185671,2185684] [2021-11-22 14:28:46,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:28:48,782 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:28:48,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:48 WrapperNode [2021-11-22 14:28:48,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:28:48,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:28:48,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:28:48,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:28:48,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:48" (1/1) ... [2021-11-22 14:28:49,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:48" (1/1) ...