./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc --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 01f2864eb14cc52810ddb1661505db9e92eea33bffbcf3f4a5f826d2a7b92a4b --- 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-5e519f3 [2022-11-02 21:07:25,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:25,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:25,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:25,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:25,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:25,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:25,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:25,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:25,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:25,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:25,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:25,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:25,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:25,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:25,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:25,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:25,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:25,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:25,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:25,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:25,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:25,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:25,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:25,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:25,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:25,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:25,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:25,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:25,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:25,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:25,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:25,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:25,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:25,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:25,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:25,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:25,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:25,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:25,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:25,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:25,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:07:25,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:25,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:25,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:25,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:25,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:07:25,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:07:25,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:25,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:25,962 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:25,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:25,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:25,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:25,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:07:25,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:07:25,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:07:25,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:25,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:25,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:07:25,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:25,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:25,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:07:25,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:25,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:25,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:07:25,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:07:25,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:25,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:07:25,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:07:25,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:07:25,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:07:25,968 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01f2864eb14cc52810ddb1661505db9e92eea33bffbcf3f4a5f826d2a7b92a4b [2022-11-02 21:07:26,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:26,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:26,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:26,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:26,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:26,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-11-02 21:07:26,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/data/156820319/32e54d395e11474fb4adcb7da2aa4f97/FLAG2ca7cd043 [2022-11-02 21:07:28,417 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:28,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i [2022-11-02 21:07:28,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/data/156820319/32e54d395e11474fb4adcb7da2aa4f97/FLAG2ca7cd043 [2022-11-02 21:07:28,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/bin/uautomizer-Dbtcem3rbc/data/156820319/32e54d395e11474fb4adcb7da2aa4f97 [2022-11-02 21:07:28,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:28,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:28,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:28,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:28,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:28,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:28" (1/1) ... [2022-11-02 21:07:28,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288666b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:28, skipping insertion in model container [2022-11-02 21:07:28,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:28" (1/1) ... [2022-11-02 21:07:28,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:29,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:13,238 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184594,2184607] [2022-11-02 21:08:13,241 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184760,2184773] [2022-11-02 21:08:13,241 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184924,2184937] [2022-11-02 21:08:13,242 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185089,2185102] [2022-11-02 21:08:13,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:13,545 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:18,086 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184594,2184607] [2022-11-02 21:08:18,088 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184760,2184773] [2022-11-02 21:08:18,088 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2184924,2184937] [2022-11-02 21:08:18,088 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_fb5b0e2e-cfcf-4717-b97a-ebf005885ef8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-ixgbe-ixgbe.cil.i[2185089,2185102] [2022-11-02 21:08:18,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:19,794 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:19,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:19 WrapperNode [2022-11-02 21:08:19,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:19,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:19,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:19,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:19,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:19" (1/1) ... [2022-11-02 21:08:20,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:19" (1/1) ...