./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ --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 56cd6d297b091846c3de277e94367b0ed3b65322a1f045bd33d4594e05f33f52 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:22:16,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:22:16,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:22:17,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:22:17,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:22:17,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:22:17,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:22:17,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:22:17,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:22:17,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:22:17,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:22:17,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:22:17,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:22:17,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:22:17,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:22:17,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:22:17,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:22:17,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:22:17,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:22:17,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:22:17,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:22:17,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:22:17,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:22:17,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:22:17,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:22:17,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:22:17,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:22:17,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:22:17,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:22:17,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:22:17,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:22:17,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:22:17,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:22:17,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:22:17,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:22:17,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:22:17,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:22:17,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:22:17,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:22:17,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:22:17,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:22:17,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:22:17,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:22:17,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:22:17,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:22:17,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:22:17,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:22:17,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:22:17,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:22:17,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:22:17,208 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:22:17,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:22:17,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:22:17,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:22:17,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:22:17,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:22:17,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:22:17,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:22:17,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:22:17,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:22:17,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:22:17,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:22:17,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:22:17,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:22:17,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:22:17,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:22:17,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:22:17,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:22:17,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:22:17,214 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:22:17,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:22:17,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:22:17,214 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_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56cd6d297b091846c3de277e94367b0ed3b65322a1f045bd33d4594e05f33f52 [2022-10-17 10:22:17,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:22:17,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:22:17,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:22:17,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:22:17,594 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:22:17,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-10-17 10:22:17,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/data/f82e8e70c/efcec6adad5a49d4930c7e4acc7e42b9/FLAG088e6db05 [2022-10-17 10:22:20,076 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:22:20,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-10-17 10:22:20,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/data/f82e8e70c/efcec6adad5a49d4930c7e4acc7e42b9/FLAG088e6db05 [2022-10-17 10:22:20,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb15ee3-868e-4930-ad20-02b923a8eeb7/bin/uautomizer-J5u9QxTXDZ/data/f82e8e70c/efcec6adad5a49d4930c7e4acc7e42b9 [2022-10-17 10:22:20,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:22:20,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:22:20,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:22:20,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:22:20,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:22:20,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:22:20" (1/1) ... [2022-10-17 10:22:20,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649e8dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:22:20, skipping insertion in model container [2022-10-17 10:22:20,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:22:20" (1/1) ... [2022-10-17 10:22:20,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:22:21,290 INFO L178 MainTranslator]: Built tables and reachable declarations