./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-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-3.16-rc1/43_2a_bitvector_linux-3.16-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 a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:08:04,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:08:04,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:08:04,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:08:04,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:08:04,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:08:04,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:08:04,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:08:04,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:08:04,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:08:04,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:08:04,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:08:04,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:08:04,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:08:04,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:08:04,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:08:04,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:08:04,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:08:04,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:08:04,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:08:04,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:08:04,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:08:04,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:08:04,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:08:04,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:08:04,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:08:04,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:08:04,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:08:04,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:08:04,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:08:04,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:08:04,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:08:04,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:08:04,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:08:04,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:08:04,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:08:04,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:08:04,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:08:04,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:08:04,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:08:04,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:08:04,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:08:04,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:08:04,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:08:04,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:08:04,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:08:04,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:08:04,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:08:04,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:08:04,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:08:04,228 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:08:04,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:08:04,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:08:04,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:08:04,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:08:04,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:08:04,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:08:04,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:08:04,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:08:04,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:08:04,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:08:04,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:08:04,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:08:04,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:04,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:08:04,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:08:04,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:08:04,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:08:04,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:08:04,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:08:04,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:08:04,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:08:04,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:08:04,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 [2021-12-15 13:08:04,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:08:04,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:08:04,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:08:04,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:08:04,516 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:08:04,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:08:04,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d0b665c/dfc5d9b4d75749a39890353f6854e298/FLAG5a0ff8a0c [2021-12-15 13:08:05,368 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:08:05,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:08:05,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d0b665c/dfc5d9b4d75749a39890353f6854e298/FLAG5a0ff8a0c [2021-12-15 13:08:05,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d0b665c/dfc5d9b4d75749a39890353f6854e298 [2021-12-15 13:08:05,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:08:05,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:08:05,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:05,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:08:05,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:08:05,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:05" (1/1) ... [2021-12-15 13:08:05,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727c9278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:05, skipping insertion in model container [2021-12-15 13:08:05,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:05" (1/1) ... [2021-12-15 13:08:05,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:08:05,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:06,212 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2021-12-15 13:08:06,213 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2021-12-15 13:08:06,697 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2021-12-15 13:08:07,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:07,794 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:08:07,940 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2021-12-15 13:08:07,941 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2021-12-15 13:08:07,960 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2021-12-15 13:08:08,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:08,341 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:08:08,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08 WrapperNode [2021-12-15 13:08:08,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:08,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:08,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:08:08,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:08:08,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,566 INFO L137 Inliner]: procedures = 350, calls = 2000, calls flagged for inlining = 171, calls inlined = 139, statements flattened = 4668 [2021-12-15 13:08:08,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:08,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:08:08,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:08:08,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:08:08,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:08:08,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:08:08,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:08:08,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:08:08,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:08" (1/1) ... [2021-12-15 13:08:08,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:08:08,848 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 13:08:08,875 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 13:08:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:08:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:08:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:08:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:08:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:08:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:08:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:08:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:08:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:08:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:08:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:08:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:08:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-15 13:08:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-15 13:08:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:08:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:08:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:08:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:08:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:08:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:08:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:08:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:08:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:08:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:08:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:08:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:08:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-15 13:08:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-15 13:08:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:08:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:08:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:08:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:08:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-15 13:08:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-15 13:08:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:08:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:08:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:08:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:08:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:08:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:08:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:08:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:08:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:08:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:08:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:08:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:08:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:08:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:08:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:08:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:08:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-15 13:08:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-15 13:08:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:08:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:08:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:08:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:08:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-15 13:08:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-15 13:08:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:08:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:08:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:08:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:08:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:08:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:08:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:08:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:08:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:08:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:08:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:08:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:08:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:08:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:08:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:08:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:08:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:08:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:08:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:08:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:08:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:08:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:08:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:08:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:08:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:08:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:08:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-15 13:08:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:08:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:08:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:08:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:08:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:08:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:08:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:08:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:08:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:08:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:08:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-15 13:08:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-15 13:08:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:08:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:08:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:08:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:08:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:08:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:08:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:08:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:08:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:08:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:08:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:08:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:08:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:08:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:08:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:08:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:08:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:08:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:08:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:08:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:08:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:08:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:08:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:08:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:08:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:08:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-15 13:08:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:08:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:08:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:08:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:08:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:08:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:08:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:08:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:08:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:08:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-15 13:08:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-15 13:08:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:08:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:08:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:08:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:08:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:08:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:08:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:08:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:08:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:08:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:08:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:08:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:08:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:08:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:08:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:08:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:08:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:08:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:08:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:08:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:08:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:08:09,622 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:08:09,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:08:10,419 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:08:10,423 INFO L158 Benchmark]: Toolchain (without parser) took 4827.14ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 71.9MB in the beginning and 117.9MB in the end (delta: -46.0MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2021-12-15 13:08:10,424 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:08:10,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2746.26ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 71.6MB in the beginning and 145.2MB in the end (delta: -73.6MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2021-12-15 13:08:10,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.43ms. Allocated memory is still 234.9MB. Free memory was 145.2MB in the beginning and 117.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:08:10,426 INFO L158 Benchmark]: Boogie Preprocessor took 249.10ms. Allocated memory is still 234.9MB. Free memory was 117.9MB in the beginning and 141.9MB in the end (delta: -24.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-12-15 13:08:10,426 INFO L158 Benchmark]: RCFGBuilder took 1603.99ms. Allocated memory is still 234.9MB. Free memory was 141.9MB in the beginning and 117.9MB in the end (delta: 24.0MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-12-15 13:08:10,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2746.26ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 71.6MB in the beginning and 145.2MB in the end (delta: -73.6MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.43ms. Allocated memory is still 234.9MB. Free memory was 145.2MB in the beginning and 117.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 249.10ms. Allocated memory is still 234.9MB. Free memory was 117.9MB in the beginning and 141.9MB in the end (delta: -24.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1603.99ms. Allocated memory is still 234.9MB. Free memory was 141.9MB in the beginning and 117.9MB in the end (delta: 24.0MB). Peak memory consumption was 72.2MB. 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 13:08:10,475 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-3.16-rc1/43_2a_bitvector_linux-3.16-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 a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:08:12,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:08:12,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:08:12,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:08:12,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:08:12,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:08:12,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:08:12,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:08:12,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:08:12,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:08:12,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:08:12,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:08:12,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:08:12,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:08:12,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:08:12,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:08:12,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:08:12,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:08:12,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:08:12,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:08:12,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:08:12,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:08:12,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:08:12,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:08:12,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:08:12,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:08:12,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:08:12,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:08:12,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:08:12,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:08:12,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:08:12,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:08:12,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:08:12,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:08:12,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:08:12,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:08:12,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:08:12,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:08:12,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:08:12,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:08:12,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:08:12,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:08:12,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:08:12,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:08:12,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:08:12,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:08:12,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:08:12,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:08:12,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:08:12,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:08:12,540 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:08:12,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:08:12,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:08:12,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:08:12,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:08:12,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:08:12,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:08:12,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:08:12,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:08:12,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:08:12,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:08:12,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:08:12,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:08:12,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:08:12,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:08:12,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:12,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:08:12,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:08:12,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:08:12,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:08:12,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:08:12,545 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:08:12,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:08:12,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:08:12,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:08:12,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:08:12,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 [2021-12-15 13:08:12,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:08:12,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:08:12,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:08:12,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:08:12,864 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:08:12,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:08:12,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b4f9ce/2a65d8e5edeb4a08b53d62995b7bd22d/FLAG9607870eb [2021-12-15 13:08:13,723 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:08:13,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-15 13:08:13,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b4f9ce/2a65d8e5edeb4a08b53d62995b7bd22d/FLAG9607870eb [2021-12-15 13:08:14,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559b4f9ce/2a65d8e5edeb4a08b53d62995b7bd22d [2021-12-15 13:08:14,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:08:14,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:08:14,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:14,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:08:14,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:08:14,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:14" (1/1) ... [2021-12-15 13:08:14,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653b9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:14, skipping insertion in model container [2021-12-15 13:08:14,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:14" (1/1) ... [2021-12-15 13:08:14,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:08:14,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:14,937 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2021-12-15 13:08:14,937 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2021-12-15 13:08:15,667 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2021-12-15 13:08:17,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:17,057 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:08:17,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:17,229 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2021-12-15 13:08:17,230 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2021-12-15 13:08:17,247 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2021-12-15 13:08:17,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:17,595 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:08:17,703 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2021-12-15 13:08:17,704 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2021-12-15 13:08:17,715 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2021-12-15 13:08:17,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:18,104 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:08:18,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18 WrapperNode [2021-12-15 13:08:18,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:18,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:18,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:08:18,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:08:18,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,321 INFO L137 Inliner]: procedures = 363, calls = 2000, calls flagged for inlining = 171, calls inlined = 139, statements flattened = 4508 [2021-12-15 13:08:18,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:18,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:08:18,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:08:18,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:08:18,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:08:18,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:08:18,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:08:18,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:08:18,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:18" (1/1) ... [2021-12-15 13:08:18,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:18,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:08:18,599 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 13:08:18,604 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 13:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-15 13:08:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:08:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:08:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-15 13:08:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-15 13:08:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:08:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:08:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:08:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:08:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:08:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:08:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:08:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-15 13:08:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-15 13:08:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:08:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-15 13:08:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:08:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:08:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 13:08:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 13:08:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:08:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:08:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-15 13:08:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-15 13:08:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:08:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:08:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:08:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:08:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-15 13:08:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-15 13:08:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:08:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:08:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-15 13:08:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-15 13:08:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-15 13:08:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-15 13:08:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-15 13:08:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-15 13:08:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-15 13:08:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-15 13:08:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-15 13:08:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-15 13:08:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-15 13:08:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-15 13:08:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:08:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:08:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-15 13:08:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-15 13:08:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:08:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:08:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:08:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:08:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:08:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:08:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:08:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-15 13:08:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:08:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:08:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-15 13:08:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:08:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:08:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:08:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:08:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:08:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-15 13:08:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-15 13:08:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:08:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:08:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-15 13:08:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-15 13:08:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:08:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:08:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-15 13:08:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-15 13:08:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-15 13:08:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-15 13:08:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-15 13:08:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-15 13:08:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:08:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:08:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:08:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:08:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:08:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:08:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-15 13:08:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-15 13:08:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-15 13:08:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-15 13:08:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:08:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:08:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-15 13:08:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-15 13:08:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-15 13:08:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-15 13:08:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:08:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:08:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:08:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:08:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:08:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:08:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:08:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:08:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-15 13:08:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-15 13:08:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-15 13:08:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-15 13:08:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-15 13:08:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-15 13:08:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-15 13:08:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-15 13:08:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:08:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:08:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:08:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:08:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-15 13:08:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-15 13:08:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:08:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:08:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-15 13:08:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-15 13:08:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-15 13:08:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-15 13:08:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2021-12-15 13:08:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2021-12-15 13:08:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:08:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:08:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:08:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:08:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-15 13:08:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-15 13:08:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:08:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:08:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-15 13:08:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-15 13:08:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-15 13:08:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-15 13:08:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:08:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:08:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:08:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:08:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:08:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:08:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:08:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:08:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:08:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:08:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2021-12-15 13:08:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2021-12-15 13:08:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-15 13:08:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-15 13:08:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-15 13:08:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-15 13:08:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:08:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:08:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:08:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:08:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:08:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:08:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-15 13:08:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-15 13:08:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:08:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:08:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:08:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:08:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:08:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:08:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:08:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:08:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:08:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:08:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-15 13:08:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-15 13:08:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:08:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:08:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-15 13:08:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-15 13:08:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:08:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:08:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-15 13:08:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-15 13:08:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:08:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-15 13:08:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:08:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:08:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-15 13:08:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-15 13:08:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-15 13:08:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-15 13:08:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:08:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:08:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:08:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:08:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:08:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:08:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:08:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-15 13:08:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-15 13:08:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-15 13:08:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-15 13:08:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:08:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:08:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-15 13:08:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-15 13:08:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:08:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:08:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:08:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:08:19,367 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:08:19,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:08:32,539 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:08:32,543 INFO L158 Benchmark]: Toolchain (without parser) took 18269.38ms. Allocated memory was 62.9MB in the beginning and 413.1MB in the end (delta: 350.2MB). Free memory was 40.0MB in the beginning and 257.3MB in the end (delta: -217.3MB). Peak memory consumption was 131.0MB. Max. memory is 16.1GB. [2021-12-15 13:08:32,543 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:08:32,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3832.21ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 39.7MB in the beginning and 103.4MB in the end (delta: -63.7MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:32,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.99ms. Allocated memory is still 205.5MB. Free memory was 103.4MB in the beginning and 77.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:08:32,544 INFO L158 Benchmark]: Boogie Preprocessor took 236.98ms. Allocated memory is still 205.5MB. Free memory was 77.2MB in the beginning and 102.4MB in the end (delta: -25.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:32,545 INFO L158 Benchmark]: RCFGBuilder took 13980.50ms. Allocated memory was 205.5MB in the beginning and 413.1MB in the end (delta: 207.6MB). Free memory was 102.4MB in the beginning and 257.3MB in the end (delta: -154.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2021-12-15 13:08:32,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3832.21ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 39.7MB in the beginning and 103.4MB in the end (delta: -63.7MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.99ms. Allocated memory is still 205.5MB. Free memory was 103.4MB in the beginning and 77.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.98ms. Allocated memory is still 205.5MB. Free memory was 77.2MB in the beginning and 102.4MB in the end (delta: -25.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * RCFGBuilder took 13980.50ms. Allocated memory was 205.5MB in the beginning and 413.1MB in the end (delta: 207.6MB). Free memory was 102.4MB in the beginning and 257.3MB in the end (delta: -154.9MB). Peak memory consumption was 51.6MB. 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 13:08:32,602 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