./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_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_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 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:43:37,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:43:37,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:43:37,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:43:37,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:43:37,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:43:37,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:43:37,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:43:37,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:43:37,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:43:37,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:43:37,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:43:37,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:43:37,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:43:37,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:43:37,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:43:37,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:43:37,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:43:37,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:43:37,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:43:37,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:43:37,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:43:37,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:43:37,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:43:37,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:43:37,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:43:37,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:43:37,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:43:37,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:43:37,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:43:37,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:43:37,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:43:37,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:43:37,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:43:37,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:43:37,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:43:37,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:43:37,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:43:37,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:43:37,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:43:37,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:43:37,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:43:37,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:43:37,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:43:37,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:43:37,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:43:37,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:43:37,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:43:37,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:43:37,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:43:37,511 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:43:37,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:43:37,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:43:37,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:43:37,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:43:37,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:43:37,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:43:37,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:43:37,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:43:37,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:43:37,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:43:37,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:43:37,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:43:37,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:43:37,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:43:37,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:43:37,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:43:37,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:43:37,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2021-12-15 13:43:37,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:43:37,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:43:37,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:43:37,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:43:37,758 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:43:37,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:43:37,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4844c6ff6/066bf0f63f1943d888f15905cc0d71cc/FLAGda8c7d91d [2021-12-15 13:43:38,561 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:43:38,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:43:38,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4844c6ff6/066bf0f63f1943d888f15905cc0d71cc/FLAGda8c7d91d [2021-12-15 13:43:39,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4844c6ff6/066bf0f63f1943d888f15905cc0d71cc [2021-12-15 13:43:39,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:43:39,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:43:39,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:43:39,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:43:39,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:43:39,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:43:39" (1/1) ... [2021-12-15 13:43:39,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67edd7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:39, skipping insertion in model container [2021-12-15 13:43:39,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:43:39" (1/1) ... [2021-12-15 13:43:39,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:43:39,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:43:42,583 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2021-12-15 13:43:42,587 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2021-12-15 13:43:42,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:43:42,667 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:43:42,992 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2021-12-15 13:43:42,992 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2021-12-15 13:43:42,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:43:43,331 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:43:43,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43 WrapperNode [2021-12-15 13:43:43,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:43:43,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:43:43,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:43:43,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:43:43,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,664 INFO L137 Inliner]: procedures = 547, calls = 2335, calls flagged for inlining = 258, calls inlined = 200, statements flattened = 4937 [2021-12-15 13:43:43,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:43:43,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:43:43,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:43:43,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:43:43,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:43:43,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:43:43,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:43:43,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:43:43,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:43" (1/1) ... [2021-12-15 13:43:43,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:43:43,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:43:43,920 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 13:43:43,947 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 13:43:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:43:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:43:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:43:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:43:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:43:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:43:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:43:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:43:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:43:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:43:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:43:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:43:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:43:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:43:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:43:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:43:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2021-12-15 13:43:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2021-12-15 13:43:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:43:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:43:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:43:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:43:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:43:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:43:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:43:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:43:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:43:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:43:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:43:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:43:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:43:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:43:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:43:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:43:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:43:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:43:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:43:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:43:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:43:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:43:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:43:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:43:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:43:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:43:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:43:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:43:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:43:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:43:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:43:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:43:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:43:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:43:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:43:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:43:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:43:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:43:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:43:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:43:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-15 13:43:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-15 13:43:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:43:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:43:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:43:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:43:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:43:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:43:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:43:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:43:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:43:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:43:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:43:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:43:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:43:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:43:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:43:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:43:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:43:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:43:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2021-12-15 13:43:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2021-12-15 13:43:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:43:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:43:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:43:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:43:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:43:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:43:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2021-12-15 13:43:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2021-12-15 13:43:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:43:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:43:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:43:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:43:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:43:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:43:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:43:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:43:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:43:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:43:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:43:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:43:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:43:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:43:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:43:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:43:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-15 13:43:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-15 13:43:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:43:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:43:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2021-12-15 13:43:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2021-12-15 13:43:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:43:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:43:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:43:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:43:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:43:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:43:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:43:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:43:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:43:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:43:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:43:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:43:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:43:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:43:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:43:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:43:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:43:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:43:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:43:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:43:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:43:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:43:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:43:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:43:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:43:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:43:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:43:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:43:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:43:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:43:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:43:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:43:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2021-12-15 13:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2021-12-15 13:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2021-12-15 13:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2021-12-15 13:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:43:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:43:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:43:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:43:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:43:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:43:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2021-12-15 13:43:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2021-12-15 13:43:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:43:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:43:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:43:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:43:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:43:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:43:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2021-12-15 13:43:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2021-12-15 13:43:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2021-12-15 13:43:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2021-12-15 13:43:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:43:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:43:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:43:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:43:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:43:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:43:44,051 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:43:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:43:44,051 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:43:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:43:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:43:44,839 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:43:44,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:43:44,964 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:43:44,970 INFO L158 Benchmark]: Toolchain (without parser) took 5880.76ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 72.4MB in the beginning and 50.4MB in the end (delta: 22.0MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2021-12-15 13:43:44,971 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:43:44,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4243.06ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 72.4MB in the beginning and 84.8MB in the end (delta: -12.3MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2021-12-15 13:43:44,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.37ms. Allocated memory is still 178.3MB. Free memory was 84.8MB in the beginning and 93.0MB in the end (delta: -8.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-12-15 13:43:44,975 INFO L158 Benchmark]: Boogie Preprocessor took 222.80ms. Allocated memory is still 178.3MB. Free memory was 93.0MB in the beginning and 62.4MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 13:43:45,015 INFO L158 Benchmark]: RCFGBuilder took 1077.62ms. Allocated memory is still 178.3MB. Free memory was 62.4MB in the beginning and 50.4MB in the end (delta: 12.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-15 13:43:45,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4243.06ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 72.4MB in the beginning and 84.8MB in the end (delta: -12.3MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 332.37ms. Allocated memory is still 178.3MB. Free memory was 84.8MB in the beginning and 93.0MB in the end (delta: -8.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 222.80ms. Allocated memory is still 178.3MB. Free memory was 93.0MB in the beginning and 62.4MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.62ms. Allocated memory is still 178.3MB. Free memory was 62.4MB in the beginning and 50.4MB in the end (delta: 12.0MB). Peak memory consumption was 19.1MB. 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 13:43:45,062 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 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_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 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:43:46,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:43:46,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:43:47,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:43:47,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:43:47,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:43:47,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:43:47,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:43:47,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:43:47,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:43:47,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:43:47,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:43:47,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:43:47,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:43:47,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:43:47,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:43:47,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:43:47,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:43:47,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:43:47,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:43:47,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:43:47,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:43:47,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:43:47,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:43:47,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:43:47,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:43:47,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:43:47,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:43:47,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:43:47,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:43:47,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:43:47,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:43:47,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:43:47,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:43:47,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:43:47,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:43:47,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:43:47,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:43:47,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:43:47,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:43:47,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:43:47,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:43:47,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:43:47,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:43:47,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:43:47,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:43:47,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:43:47,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:43:47,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:43:47,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:43:47,147 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:43:47,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:43:47,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:43:47,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:43:47,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:43:47,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:43:47,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:43:47,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:43:47,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:43:47,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:43:47,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:43:47,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:43:47,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:43:47,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:43:47,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:43:47,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:43:47,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:43:47,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:43:47,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:43:47,161 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:43:47,162 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:43:47,162 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:43:47,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:43:47,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:43:47,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:43:47,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:43:47,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2021-12-15 13:43:47,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:43:47,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:43:47,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:43:47,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:43:47,503 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:43:47,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:43:47,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c583ffb5/078001b4c4ab466caf972d222a59d723/FLAG59026a084 [2021-12-15 13:43:48,389 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:43:48,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-15 13:43:48,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c583ffb5/078001b4c4ab466caf972d222a59d723/FLAG59026a084 [2021-12-15 13:43:48,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c583ffb5/078001b4c4ab466caf972d222a59d723 [2021-12-15 13:43:48,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:43:48,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:43:48,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:43:48,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:43:48,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:43:48,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:43:48" (1/1) ... [2021-12-15 13:43:48,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b8ad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:48, skipping insertion in model container [2021-12-15 13:43:48,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:43:48" (1/1) ... [2021-12-15 13:43:48,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:43:48,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:43:52,226 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2021-12-15 13:43:52,229 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2021-12-15 13:43:52,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:43:52,302 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:43:52,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:43:52,652 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2021-12-15 13:43:52,653 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2021-12-15 13:43:52,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:43:52,680 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:43:53,035 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2021-12-15 13:43:53,036 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_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2021-12-15 13:43:53,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:43:53,236 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:43:53,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53 WrapperNode [2021-12-15 13:43:53,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:43:53,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:43:53,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:43:53,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:43:53,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,520 INFO L137 Inliner]: procedures = 560, calls = 2335, calls flagged for inlining = 258, calls inlined = 200, statements flattened = 4762 [2021-12-15 13:43:53,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:43:53,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:43:53,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:43:53,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:43:53,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:43:53,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:43:53,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:43:53,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:43:53,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:43:53" (1/1) ... [2021-12-15 13:43:53,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:43:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:43:53,803 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 13:43:53,828 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 13:43:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:43:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:43:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:43:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:43:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:43:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:43:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:43:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:43:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:43:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:43:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:43:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-15 13:43:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:43:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:43:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:43:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:43:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:43:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:43:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:43:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:43:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:43:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:43:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:43:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-15 13:43:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:43:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:43:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:43:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-15 13:43:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2021-12-15 13:43:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:43:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:43:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:43:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:43:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:43:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:43:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:43:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:43:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:43:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:43:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:43:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:43:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:43:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:43:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:43:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:43:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:43:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:43:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:43:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:43:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:43:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:43:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:43:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:43:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:43:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:43:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:43:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:43:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:43:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:43:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:43:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:43:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:43:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:43:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:43:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:43:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:43:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:43:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:43:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:43:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:43:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:43:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:43:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-15 13:43:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-15 13:43:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:43:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:43:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:43:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:43:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:43:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:43:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-15 13:43:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-15 13:43:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:43:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:43:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:43:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:43:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:43:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:43:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:43:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:43:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:43:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:43:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-15 13:43:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:43:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:43:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:43:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:43:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:43:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2021-12-15 13:43:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2021-12-15 13:43:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:43:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-15 13:43:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:43:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:43:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:43:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:43:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:43:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:43:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:43:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:43:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:43:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:43:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:43:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:43:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:43:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:43:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:43:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:43:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:43:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:43:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:43:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:43:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:43:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-12-15 13:43:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-12-15 13:43:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:43:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:43:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:43:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:43:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:43:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:43:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:43:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:43:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:43:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:43:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:43:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:43:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:43:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:43:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:43:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:43:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:43:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:43:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:43:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:43:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:43:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:43:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:43:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2021-12-15 13:43:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2021-12-15 13:43:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:43:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:43:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2021-12-15 13:43:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2021-12-15 13:43:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:43:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-15 13:43:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:43:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:43:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:43:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:43:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:43:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-12-15 13:43:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2021-12-15 13:43:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2021-12-15 13:43:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:43:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:43:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:43:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:43:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:43:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:43:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2021-12-15 13:43:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2021-12-15 13:43:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2021-12-15 13:43:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2021-12-15 13:43:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:43:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:43:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:43:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:43:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:43:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:43:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:43:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:43:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:43:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:43:54,776 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:43:54,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:43:54,903 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:43:54,909 INFO L158 Benchmark]: Toolchain (without parser) took 6334.87ms. Allocated memory was 54.5MB in the beginning and 308.3MB in the end (delta: 253.8MB). Free memory was 25.3MB in the beginning and 153.9MB in the end (delta: -128.6MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2021-12-15 13:43:54,909 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:43:54,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4660.81ms. Allocated memory was 54.5MB in the beginning and 213.9MB in the end (delta: 159.4MB). Free memory was 25.2MB in the beginning and 77.4MB in the end (delta: -52.2MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2021-12-15 13:43:54,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 283.72ms. Allocated memory is still 213.9MB. Free memory was 77.4MB in the beginning and 99.4MB in the end (delta: -22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:43:54,913 INFO L158 Benchmark]: Boogie Preprocessor took 248.45ms. Allocated memory is still 213.9MB. Free memory was 99.4MB in the beginning and 67.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 13:43:54,915 INFO L158 Benchmark]: RCFGBuilder took 1136.00ms. Allocated memory was 213.9MB in the beginning and 308.3MB in the end (delta: 94.4MB). Free memory was 67.7MB in the beginning and 153.9MB in the end (delta: -86.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-12-15 13:43:54,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4660.81ms. Allocated memory was 54.5MB in the beginning and 213.9MB in the end (delta: 159.4MB). Free memory was 25.2MB in the beginning and 77.4MB in the end (delta: -52.2MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 283.72ms. Allocated memory is still 213.9MB. Free memory was 77.4MB in the beginning and 99.4MB in the end (delta: -22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 248.45ms. Allocated memory is still 213.9MB. Free memory was 99.4MB in the beginning and 67.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1136.00ms. Allocated memory was 213.9MB in the beginning and 308.3MB in the end (delta: 94.4MB). Free memory was 67.7MB in the beginning and 153.9MB in the end (delta: -86.3MB). Peak memory consumption was 22.0MB. 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 13:43:54,963 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable