./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:23:04,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:23:04,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:23:04,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:23:04,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:23:04,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:23:04,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:23:04,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:23:05,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:23:05,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:23:05,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:23:05,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:23:05,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:23:05,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:23:05,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:23:05,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:23:05,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:23:05,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:23:05,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:23:05,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:23:05,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:23:05,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:23:05,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:23:05,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:23:05,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:23:05,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:23:05,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:23:05,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:23:05,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:23:05,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:23:05,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:23:05,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:23:05,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:23:05,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:23:05,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:23:05,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:23:05,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:23:05,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:23:05,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:23:05,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:23:05,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:23:05,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:23:05,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:23:05,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:23:05,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:23:05,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:23:05,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:23:05,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:23:05,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:23:05,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:23:05,065 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:23:05,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:23:05,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:23:05,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:23:05,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:23:05,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:23:05,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:23:05,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:23:05,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:23:05,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:23:05,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:23:05,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:23:05,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:23:05,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:23:05,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:23:05,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:23:05,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:23:05,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:23:05,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:23:05,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:23:05,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:23:05,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:23:05,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:23:05,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-12-15 13:23:05,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:23:05,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:23:05,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:23:05,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:23:05,290 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:23:05,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:23:05,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b3ee198/5c29bd3e98854eeb8d14bc05cc4381c0/FLAGc3c437427 [2021-12-15 13:23:06,100 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:23:06,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:23:06,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b3ee198/5c29bd3e98854eeb8d14bc05cc4381c0/FLAGc3c437427 [2021-12-15 13:23:06,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b3ee198/5c29bd3e98854eeb8d14bc05cc4381c0 [2021-12-15 13:23:06,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:23:06,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:23:06,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:23:06,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:23:06,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:23:06,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:06" (1/1) ... [2021-12-15 13:23:06,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3efb5dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:06, skipping insertion in model container [2021-12-15 13:23:06,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:06" (1/1) ... [2021-12-15 13:23:06,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:23:06,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:23:08,558 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-15 13:23:08,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:23:08,641 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:23:09,015 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-15 13:23:09,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:23:09,173 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:23:09,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09 WrapperNode [2021-12-15 13:23:09,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:23:09,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:23:09,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:23:09,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:23:09,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,441 INFO L137 Inliner]: procedures = 336, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4619 [2021-12-15 13:23:09,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:23:09,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:23:09,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:23:09,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:23:09,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:23:09,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:23:09,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:23:09,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:23:09,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:09" (1/1) ... [2021-12-15 13:23:09,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:23:09,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:23:09,760 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 13:23:09,789 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 13:23:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:23:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:23:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:23:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:23:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:23:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:23:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:23:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:23:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:23:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:23:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-15 13:23:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-15 13:23:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:23:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:23:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:23:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:23:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:23:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:23:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:23:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:23:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:23:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:23:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:23:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:23:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-12-15 13:23:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-12-15 13:23:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:23:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:23:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:23:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:23:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-15 13:23:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-15 13:23:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-12-15 13:23:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-12-15 13:23:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:23:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:23:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-12-15 13:23:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-12-15 13:23:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-12-15 13:23:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-12-15 13:23:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:23:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:23:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:23:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:23:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:23:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:23:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:23:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:23:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:23:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:23:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:23:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:23:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:23:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:23:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:23:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:23:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-15 13:23:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-15 13:23:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:23:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:23:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:23:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:23:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-15 13:23:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-15 13:23:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:23:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:23:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:23:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:23:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:23:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:23:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:23:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:23:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-15 13:23:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-15 13:23:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:23:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:23:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:23:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:23:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:23:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:23:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:23:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:23:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:23:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:23:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:23:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:23:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:23:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:23:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:23:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:23:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:23:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:23:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:23:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:23:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:23:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:23:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:23:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:23:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:23:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:23:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-15 13:23:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-15 13:23:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:23:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:23:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:23:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:23:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-15 13:23:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-15 13:23:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:23:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:23:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:23:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:23:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:23:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:23:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:23:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:23:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:23:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:23:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:23:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:23:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:23:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:23:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-12-15 13:23:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-12-15 13:23:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:23:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:23:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:23:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:23:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-12-15 13:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-12-15 13:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-12-15 13:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-12-15 13:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-15 13:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-15 13:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:23:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-15 13:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-15 13:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-15 13:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-15 13:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-12-15 13:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-12-15 13:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-15 13:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-15 13:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-15 13:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-15 13:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-15 13:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-12-15 13:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-12-15 13:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-12-15 13:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-12-15 13:23:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:23:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:23:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:23:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-15 13:23:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-15 13:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-15 13:23:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-15 13:23:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:23:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:23:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-12-15 13:23:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-12-15 13:23:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:23:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:23:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:23:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:23:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:23:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:23:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:23:10,537 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:23:10,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:23:11,181 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:23:11,189 INFO L158 Benchmark]: Toolchain (without parser) took 4863.75ms. Allocated memory was 98.6MB in the beginning and 352.3MB in the end (delta: 253.8MB). Free memory was 61.4MB in the beginning and 244.1MB in the end (delta: -182.7MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2021-12-15 13:23:11,190 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:23:11,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2849.99ms. Allocated memory was 98.6MB in the beginning and 224.4MB in the end (delta: 125.8MB). Free memory was 61.2MB in the beginning and 140.5MB in the end (delta: -79.3MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2021-12-15 13:23:11,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 265.53ms. Allocated memory is still 224.4MB. Free memory was 140.5MB in the beginning and 114.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:23:11,197 INFO L158 Benchmark]: Boogie Preprocessor took 243.19ms. Allocated memory is still 224.4MB. Free memory was 114.3MB in the beginning and 87.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:23:11,197 INFO L158 Benchmark]: RCFGBuilder took 1500.87ms. Allocated memory was 224.4MB in the beginning and 352.3MB in the end (delta: 127.9MB). Free memory was 85.9MB in the beginning and 244.1MB in the end (delta: -158.2MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-12-15 13:23:11,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2849.99ms. Allocated memory was 98.6MB in the beginning and 224.4MB in the end (delta: 125.8MB). Free memory was 61.2MB in the beginning and 140.5MB in the end (delta: -79.3MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 265.53ms. Allocated memory is still 224.4MB. Free memory was 140.5MB in the beginning and 114.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 243.19ms. Allocated memory is still 224.4MB. Free memory was 114.3MB in the beginning and 87.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1500.87ms. Allocated memory was 224.4MB in the beginning and 352.3MB in the end (delta: 127.9MB). Free memory was 85.9MB in the beginning and 244.1MB in the end (delta: -158.2MB). Peak memory consumption was 29.5MB. 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 13:23:11,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:23:13,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:23:13,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:23:13,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:23:13,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:23:13,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:23:13,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:23:13,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:23:13,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:23:13,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:23:13,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:23:13,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:23:13,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:23:13,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:23:13,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:23:13,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:23:13,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:23:13,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:23:13,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:23:13,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:23:13,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:23:13,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:23:13,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:23:13,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:23:13,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:23:13,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:23:13,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:23:13,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:23:13,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:23:13,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:23:13,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:23:13,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:23:13,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:23:13,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:23:13,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:23:13,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:23:13,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:23:13,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:23:13,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:23:13,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:23:13,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:23:13,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:23:13,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:23:13,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:23:13,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:23:13,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:23:13,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:23:13,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:23:13,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:23:13,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:23:13,270 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:23:13,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:23:13,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:23:13,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:23:13,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:23:13,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:23:13,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:23:13,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:23:13,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:23:13,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:23:13,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:23:13,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:23:13,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:23:13,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:23:13,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:23:13,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:23:13,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:23:13,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:23:13,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:23:13,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:23:13,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:23:13,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:23:13,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:23:13,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:23:13,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:23:13,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:23:13,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-12-15 13:23:13,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:23:13,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:23:13,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:23:13,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:23:13,648 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:23:13,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:23:13,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63830a3c/d6b65608ed26496b8e12d25e259c3895/FLAGa59dd7464 [2021-12-15 13:23:14,658 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:23:14,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:23:14,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63830a3c/d6b65608ed26496b8e12d25e259c3895/FLAGa59dd7464 [2021-12-15 13:23:15,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63830a3c/d6b65608ed26496b8e12d25e259c3895 [2021-12-15 13:23:15,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:23:15,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:23:15,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:23:15,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:23:15,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:23:15,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:15" (1/1) ... [2021-12-15 13:23:15,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf23541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:15, skipping insertion in model container [2021-12-15 13:23:15,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:15" (1/1) ... [2021-12-15 13:23:15,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:23:15,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:23:17,377 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-15 13:23:17,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:23:17,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:23:17,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:23:17,857 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-15 13:23:17,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:23:17,907 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:23:18,319 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-15 13:23:18,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:23:18,524 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:23:18,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18 WrapperNode [2021-12-15 13:23:18,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:23:18,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:23:18,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:23:18,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:23:18,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,752 INFO L137 Inliner]: procedures = 350, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4470 [2021-12-15 13:23:18,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:23:18,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:23:18,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:23:18,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:23:18,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:23:18,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:23:18,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:23:18,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:23:18,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:18" (1/1) ... [2021-12-15 13:23:18,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:23:18,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:23:18,978 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 13:23:19,002 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 13:23:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:23:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:23:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:23:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:23:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:23:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:23:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:23:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:23:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:23:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:23:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:23:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:23:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:23:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:23:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-15 13:23:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:23:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:23:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:23:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:23:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:23:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:23:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:23:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:23:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:23:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:23:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:23:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:23:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:23:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:23:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-15 13:23:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:23:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:23:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:23:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:23:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-15 13:23:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-15 13:23:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:23:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:23:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:23:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:23:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:23:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:23:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:23:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:23:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:23:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:23:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:23:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:23:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:23:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:23:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:23:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:23:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:23:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-12-15 13:23:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-12-15 13:23:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:23:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:23:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:23:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:23:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:23:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:23:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-12-15 13:23:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-12-15 13:23:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:23:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:23:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:23:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:23:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:23:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:23:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:23:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:23:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:23:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:23:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:23:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:23:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:23:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:23:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-12-15 13:23:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-12-15 13:23:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-15 13:23:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-15 13:23:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:23:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:23:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:23:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:23:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:23:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:23:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-15 13:23:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-15 13:23:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:23:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:23:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:23:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:23:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:23:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:23:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-15 13:23:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-15 13:23:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-12-15 13:23:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-12-15 13:23:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:23:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:23:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:23:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:23:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:23:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:23:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:23:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:23:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:23:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:23:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-15 13:23:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-15 13:23:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:23:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:23:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:23:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:23:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-15 13:23:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-15 13:23:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:23:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-15 13:23:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:23:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:23:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-12-15 13:23:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-12-15 13:23:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:23:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:23:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:23:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:23:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:23:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:23:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:23:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:23:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-12-15 13:23:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-12-15 13:23:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:23:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:23:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:23:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:23:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:23:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:23:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-15 13:23:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-15 13:23:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-15 13:23:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-15 13:23:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:23:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:23:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-12-15 13:23:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-12-15 13:23:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:23:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:23:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:23:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:23:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:23:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:23:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:23:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:23:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:23:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:23:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:23:19,851 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:23:19,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:23:30,867 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:23:30,870 INFO L158 Benchmark]: Toolchain (without parser) took 15705.77ms. Allocated memory was 58.7MB in the beginning and 574.6MB in the end (delta: 515.9MB). Free memory was 30.9MB in the beginning and 465.2MB in the end (delta: -434.4MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2021-12-15 13:23:30,871 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:23:30,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3358.05ms. Allocated memory was 58.7MB in the beginning and 251.7MB in the end (delta: 192.9MB). Free memory was 30.7MB in the beginning and 162.9MB in the end (delta: -132.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2021-12-15 13:23:30,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.23ms. Allocated memory is still 251.7MB. Free memory was 162.9MB in the beginning and 137.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:23:30,872 INFO L158 Benchmark]: Boogie Preprocessor took 196.49ms. Allocated memory is still 251.7MB. Free memory was 137.7MB in the beginning and 108.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:23:30,873 INFO L158 Benchmark]: RCFGBuilder took 11917.52ms. Allocated memory was 251.7MB in the beginning and 574.6MB in the end (delta: 323.0MB). Free memory was 108.4MB in the beginning and 465.2MB in the end (delta: -356.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-12-15 13:23:30,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3358.05ms. Allocated memory was 58.7MB in the beginning and 251.7MB in the end (delta: 192.9MB). Free memory was 30.7MB in the beginning and 162.9MB in the end (delta: -132.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.23ms. Allocated memory is still 251.7MB. Free memory was 162.9MB in the beginning and 137.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 196.49ms. Allocated memory is still 251.7MB. Free memory was 137.7MB in the beginning and 108.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 11917.52ms. Allocated memory was 251.7MB in the beginning and 574.6MB in the end (delta: 323.0MB). Free memory was 108.4MB in the beginning and 465.2MB in the end (delta: -356.9MB). Peak memory consumption was 38.4MB. 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 13:23:30,930 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