./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-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:38:43,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:38:43,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:38:43,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:38:43,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:38:43,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:38:43,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:38:43,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:38:43,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:38:43,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:38:43,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:38:43,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:38:43,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:38:43,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:38:43,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:38:43,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:38:43,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:38:43,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:38:43,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:38:43,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:38:43,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:38:43,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:38:43,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:38:43,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:38:43,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:38:43,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:38:43,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:38:43,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:38:43,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:38:43,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:38:43,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:38:43,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:38:43,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:38:43,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:38:43,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:38:43,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:38:43,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:38:43,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:38:43,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:38:43,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:38:43,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:38:43,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:38:43,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:38:43,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:38:43,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:38:43,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:38:43,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:38:43,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:38:43,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:38:43,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:38:43,861 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:38:43,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:38:43,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:38:43,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:38:43,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:38:43,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:38:43,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:38:43,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:38:43,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:43,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:38:43,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:38:43,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:38:43,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:38:43,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:38:43,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:38:43,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:38:43,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:38:43,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:38:43,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2021-12-15 13:38:44,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:38:44,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:38:44,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:38:44,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:38:44,071 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:38:44,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:38:44,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0e486ff/1f7526eaa85b4554a6ce4e8a04603fd8/FLAG4381417e6 [2021-12-15 13:38:44,810 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:38:44,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:38:44,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0e486ff/1f7526eaa85b4554a6ce4e8a04603fd8/FLAG4381417e6 [2021-12-15 13:38:44,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0e486ff/1f7526eaa85b4554a6ce4e8a04603fd8 [2021-12-15 13:38:44,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:38:44,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:38:44,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:44,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:38:44,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:38:44,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:44" (1/1) ... [2021-12-15 13:38:44,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5473c5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:44, skipping insertion in model container [2021-12-15 13:38:44,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:44" (1/1) ... [2021-12-15 13:38:44,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:38:45,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:47,691 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2021-12-15 13:38:47,693 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2021-12-15 13:38:47,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:47,731 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:38:47,992 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2021-12-15 13:38:47,993 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2021-12-15 13:38:47,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:48,120 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:38:48,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48 WrapperNode [2021-12-15 13:38:48,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:48,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:48,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:38:48,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:38:48,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,274 INFO L137 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4537 [2021-12-15 13:38:48,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:48,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:38:48,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:38:48,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:38:48,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:38:48,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:38:48,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:38:48,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:38:48,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:48" (1/1) ... [2021-12-15 13:38:48,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:48,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:38:48,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:38:48,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:38:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:38:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:38:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:38:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:38:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:38:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:38:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:38:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:38:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:38:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:38:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:38:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:38:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:38:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:38:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:38:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:38:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2021-12-15 13:38:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2021-12-15 13:38:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:38:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:38:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:38:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:38:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:38:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:38:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:38:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:38:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:38:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:38:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:38:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:38:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:38:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:38:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:38:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:38:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:38:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:38:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:38:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:38:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:38:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:38:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:38:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:38:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:38:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:38:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:38:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:38:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:38:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:38:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:38:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:38:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:38:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-15 13:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-15 13:38:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:38:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:38:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:38:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:38:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:38:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:38:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:38:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:38:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:38:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:38:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:38:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:38:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:38:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:38:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:38:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:38:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:38:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:38:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:38:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:38:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:38:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:38:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:38:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:38:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:38:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:38:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:38:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:38:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:38:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:38:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:38:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:38:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-15 13:38:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-15 13:38:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:38:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:38:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:38:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:38:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:38:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:38:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:38:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:38:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:38:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:38:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:38:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:38:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:38:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:38:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:38:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:38:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:38:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:38:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:38:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:38:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-15 13:38:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-15 13:38:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:38:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:38:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:38:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:38:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:38:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:38:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:38:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:38:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:38:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2021-12-15 13:38:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2021-12-15 13:38:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:38:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:38:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:38:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:38:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:38:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:38:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:38:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:38:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:38:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:38:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:38:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:38:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:38:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:38:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:38:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:38:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:38:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:38:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:38:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-12-15 13:38:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-12-15 13:38:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:38:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:38:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:38:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:38:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:38:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:38:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:38:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:38:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:38:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:38:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:38:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:38:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:38:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:38:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:38:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:38:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:38:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:38:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:38:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:38:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2021-12-15 13:38:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2021-12-15 13:38:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:38:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:38:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:38:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:38:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:38:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:38:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2021-12-15 13:38:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2021-12-15 13:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:38:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:38:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:38:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:38:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2021-12-15 13:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2021-12-15 13:38:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2021-12-15 13:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2021-12-15 13:38:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:38:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:38:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:38:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:38:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:38:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:38:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:38:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:38:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:38:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:38:49,016 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:38:49,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:38:49,090 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:38:49,094 INFO L158 Benchmark]: Toolchain (without parser) took 4177.21ms. Allocated memory was 88.1MB in the beginning and 232.8MB in the end (delta: 144.7MB). Free memory was 57.6MB in the beginning and 86.4MB in the end (delta: -28.7MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2021-12-15 13:38:49,095 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:38:49,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3200.74ms. Allocated memory was 88.1MB in the beginning and 232.8MB in the end (delta: 144.7MB). Free memory was 57.3MB in the beginning and 127.3MB in the end (delta: -70.0MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2021-12-15 13:38:49,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.81ms. Allocated memory is still 232.8MB. Free memory was 127.3MB in the beginning and 100.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:38:49,096 INFO L158 Benchmark]: Boogie Preprocessor took 175.62ms. Allocated memory is still 232.8MB. Free memory was 100.1MB in the beginning and 130.4MB in the end (delta: -30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:38:49,096 INFO L158 Benchmark]: RCFGBuilder took 641.23ms. Allocated memory is still 232.8MB. Free memory was 130.4MB in the beginning and 86.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-15 13:38:49,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3200.74ms. Allocated memory was 88.1MB in the beginning and 232.8MB in the end (delta: 144.7MB). Free memory was 57.3MB in the beginning and 127.3MB in the end (delta: -70.0MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.81ms. Allocated memory is still 232.8MB. Free memory was 127.3MB in the beginning and 100.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.62ms. Allocated memory is still 232.8MB. Free memory was 100.1MB in the beginning and 130.4MB in the end (delta: -30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 641.23ms. Allocated memory is still 232.8MB. Free memory was 130.4MB in the beginning and 86.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:38:49,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:38:51,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:38:51,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:38:51,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:38:51,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:38:51,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:38:51,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:38:51,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:38:51,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:38:51,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:38:51,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:38:51,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:38:51,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:38:51,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:38:51,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:38:51,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:38:51,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:38:51,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:38:51,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:38:51,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:38:51,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:38:51,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:38:51,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:38:51,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:38:51,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:38:51,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:38:51,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:38:51,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:38:51,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:38:51,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:38:51,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:38:51,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:38:51,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:38:51,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:38:51,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:38:51,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:38:51,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:38:51,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:38:51,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:38:51,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:38:51,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:38:51,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:38:51,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:38:51,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:38:51,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:38:51,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:38:51,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:38:51,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:38:51,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:38:51,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:38:51,252 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:38:51,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:38:51,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:38:51,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:38:51,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:38:51,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:38:51,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:38:51,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:38:51,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:38:51,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:51,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:38:51,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:38:51,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:38:51,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:38:51,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:38:51,264 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2021-12-15 13:38:51,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:38:51,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:38:51,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:38:51,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:38:51,547 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:38:51,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:38:51,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02df40289/5370c318f3464682a82f7d15cc17a738/FLAG9dbb218b5 [2021-12-15 13:38:52,329 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:38:52,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:38:52,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02df40289/5370c318f3464682a82f7d15cc17a738/FLAG9dbb218b5 [2021-12-15 13:38:52,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02df40289/5370c318f3464682a82f7d15cc17a738 [2021-12-15 13:38:52,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:38:52,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:38:52,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:52,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:38:52,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:38:52,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:52" (1/1) ... [2021-12-15 13:38:52,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5b0ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:52, skipping insertion in model container [2021-12-15 13:38:52,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:52" (1/1) ... [2021-12-15 13:38:52,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:38:52,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:55,825 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2021-12-15 13:38:55,827 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2021-12-15 13:38:55,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:55,894 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:38:55,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:56,174 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2021-12-15 13:38:56,175 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2021-12-15 13:38:56,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:56,199 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:38:56,463 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2021-12-15 13:38:56,464 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2021-12-15 13:38:56,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:56,606 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:38:56,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56 WrapperNode [2021-12-15 13:38:56,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:56,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:56,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:38:56,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:38:56,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,754 INFO L137 Inliner]: procedures = 575, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4363 [2021-12-15 13:38:56,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:56,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:38:56,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:38:56,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:38:56,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:38:56,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:38:56,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:38:56,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:38:56,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:56" (1/1) ... [2021-12-15 13:38:56,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:56,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:38:56,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:38:56,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:38:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2021-12-15 13:38:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2021-12-15 13:38:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:38:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:38:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:38:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:38:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:38:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:38:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:38:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:38:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:38:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:38:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:38:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:38:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:38:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:38:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:38:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:38:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:38:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:38:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:38:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:38:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:38:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:38:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:38:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:38:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:38:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-15 13:38:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:38:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:38:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:38:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:38:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:38:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:38:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:38:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:38:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:38:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:38:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:38:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:38:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:38:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:38:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:38:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:38:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-15 13:38:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-15 13:38:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:38:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:38:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:38:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:38:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:38:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:38:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:38:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:38:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:38:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:38:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:38:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:38:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:38:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:38:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:38:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:38:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:38:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:38:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:38:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:38:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:38:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:38:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:38:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:38:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:38:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:38:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:38:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:38:57,634 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:38:57,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:38:57,738 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:38:57,741 INFO L158 Benchmark]: Toolchain (without parser) took 5155.43ms. Allocated memory was 54.5MB in the beginning and 453.0MB in the end (delta: 398.5MB). Free memory was 29.0MB in the beginning and 330.6MB in the end (delta: -301.6MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. [2021-12-15 13:38:57,741 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 41.9MB. Free memory was 24.6MB in the beginning and 24.6MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:38:57,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4020.53ms. Allocated memory was 54.5MB in the beginning and 234.9MB in the end (delta: 180.4MB). Free memory was 28.7MB in the beginning and 104.4MB in the end (delta: -75.7MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. [2021-12-15 13:38:57,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.26ms. Allocated memory is still 234.9MB. Free memory was 104.4MB in the beginning and 134.0MB in the end (delta: -29.6MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-12-15 13:38:57,742 INFO L158 Benchmark]: Boogie Preprocessor took 118.44ms. Allocated memory is still 234.9MB. Free memory was 134.0MB in the beginning and 104.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:38:57,742 INFO L158 Benchmark]: RCFGBuilder took 829.24ms. Allocated memory was 234.9MB in the beginning and 453.0MB in the end (delta: 218.1MB). Free memory was 104.6MB in the beginning and 330.6MB in the end (delta: -226.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-12-15 13:38:57,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 41.9MB. Free memory was 24.6MB in the beginning and 24.6MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4020.53ms. Allocated memory was 54.5MB in the beginning and 234.9MB in the end (delta: 180.4MB). Free memory was 28.7MB in the beginning and 104.4MB in the end (delta: -75.7MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.26ms. Allocated memory is still 234.9MB. Free memory was 104.4MB in the beginning and 134.0MB in the end (delta: -29.6MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.44ms. Allocated memory is still 234.9MB. Free memory was 134.0MB in the beginning and 104.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 829.24ms. Allocated memory was 234.9MB in the beginning and 453.0MB in the end (delta: 218.1MB). Free memory was 104.6MB in the beginning and 330.6MB in the end (delta: -226.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:38:57,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable