./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.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 aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:55:35,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:55:35,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:55:35,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:55:35,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:55:35,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:55:35,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:55:35,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:55:35,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:55:35,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:55:35,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:55:35,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:55:35,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:55:35,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:55:35,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:55:35,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:55:35,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:55:35,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:55:35,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:55:35,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:55:35,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:55:35,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:55:35,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:55:35,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:55:35,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:55:35,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:55:35,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:55:35,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:55:35,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:55:35,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:55:35,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:55:35,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:55:35,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:55:35,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:55:35,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:55:35,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:55:35,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:55:35,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:55:35,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:55:35,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:55:35,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:55:35,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 21:55:36,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:55:36,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:55:36,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:55:36,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:55:36,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:55:36,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:55:36,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:55:36,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:55:36,019 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:55:36,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:55:36,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:55:36,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:55:36,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:55:36,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:55:36,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:55:36,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:55:36,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:55:36,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:55:36,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:55:36,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:55:36,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-02-20 21:55:36,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:55:36,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:55:36,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:55:36,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:55:36,228 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:55:36,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:55:36,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b305a252/58b67c6ff5744d229fac3b52acfc76ed/FLAG4d274c8c9 [2022-02-20 21:55:36,873 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:55:36,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:55:36,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b305a252/58b67c6ff5744d229fac3b52acfc76ed/FLAG4d274c8c9 [2022-02-20 21:55:37,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b305a252/58b67c6ff5744d229fac3b52acfc76ed [2022-02-20 21:55:37,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:55:37,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:55:37,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:55:37,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:55:37,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:55:37,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:55:37" (1/1) ... [2022-02-20 21:55:37,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120f69f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:37, skipping insertion in model container [2022-02-20 21:55:37,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:55:37" (1/1) ... [2022-02-20 21:55:37,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:55:37,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:55:37,933 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-02-20 21:55:38,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:55:38,099 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:55:38,173 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-02-20 21:55:38,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:55:38,281 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:55:38,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38 WrapperNode [2022-02-20 21:55:38,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:55:38,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:55:38,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:55:38,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:55:38,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,437 INFO L137 Inliner]: procedures = 146, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1425 [2022-02-20 21:55:38,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:55:38,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:55:38,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:55:38,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:55:38,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:55:38,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:55:38,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:55:38,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:55:38,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (1/1) ... [2022-02-20 21:55:38,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:55:38,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:55:38,572 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) [2022-02-20 21:55:38,592 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 [2022-02-20 21:55:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-02-20 21:55:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-02-20 21:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-20 21:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-20 21:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 21:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-02-20 21:55:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-02-20 21:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 21:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-02-20 21:55:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-02-20 21:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-02-20 21:55:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-02-20 21:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-02-20 21:55:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-02-20 21:55:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-02-20 21:55:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-02-20 21:55:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-02-20 21:55:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-02-20 21:55:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-02-20 21:55:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-02-20 21:55:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-02-20 21:55:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-02-20 21:55:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-02-20 21:55:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-02-20 21:55:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-02-20 21:55:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-02-20 21:55:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-02-20 21:55:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-02-20 21:55:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 21:55:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-02-20 21:55:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-02-20 21:55:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-02-20 21:55:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-02-20 21:55:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:55:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:55:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:55:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-02-20 21:55:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-02-20 21:55:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-02-20 21:55:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-02-20 21:55:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-02-20 21:55:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-02-20 21:55:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-02-20 21:55:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-02-20 21:55:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-02-20 21:55:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-02-20 21:55:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-02-20 21:55:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:55:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 21:55:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 21:55:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 21:55:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 21:55:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:55:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:55:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-02-20 21:55:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-02-20 21:55:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-02-20 21:55:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-02-20 21:55:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-02-20 21:55:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-02-20 21:55:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-02-20 21:55:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-02-20 21:55:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 21:55:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 21:55:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 21:55:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 21:55:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 21:55:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-02-20 21:55:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-02-20 21:55:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-20 21:55:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-02-20 21:55:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-02-20 21:55:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-02-20 21:55:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-02-20 21:55:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:55:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:55:38,994 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:55:38,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:55:39,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-02-20 21:55:39,862 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:55:39,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:55:39,872 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 21:55:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:55:39 BoogieIcfgContainer [2022-02-20 21:55:39,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:55:39,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:55:39,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:55:39,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:55:39,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:55:37" (1/3) ... [2022-02-20 21:55:39,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a981f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:55:39, skipping insertion in model container [2022-02-20 21:55:39,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:55:38" (2/3) ... [2022-02-20 21:55:39,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a981f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:55:39, skipping insertion in model container [2022-02-20 21:55:39,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:55:39" (3/3) ... [2022-02-20 21:55:39,880 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:55:39,884 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:55:39,884 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:55:39,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:55:39,927 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 21:55:39,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:55:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-02-20 21:55:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-20 21:55:39,977 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:55:39,978 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:55:39,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:55:39,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:55:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 742124414, now seen corresponding path program 1 times [2022-02-20 21:55:39,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:55:39,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740063339] [2022-02-20 21:55:39,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:55:39,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:55:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:55:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,345 INFO L290 TraceCheckUtils]: 0: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,346 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,346 INFO L290 TraceCheckUtils]: 2: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,346 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {491#true} {491#true} #1215#return; {491#true} is VALID [2022-02-20 21:55:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-20 21:55:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,361 INFO L290 TraceCheckUtils]: 0: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,362 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,362 INFO L290 TraceCheckUtils]: 2: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,362 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {491#true} {491#true} #1217#return; {491#true} is VALID [2022-02-20 21:55:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 21:55:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,382 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {491#true} {491#true} #1219#return; {491#true} is VALID [2022-02-20 21:55:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 21:55:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,394 INFO L290 TraceCheckUtils]: 0: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,395 INFO L290 TraceCheckUtils]: 2: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,395 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {491#true} {491#true} #1221#return; {491#true} is VALID [2022-02-20 21:55:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:55:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:40,416 INFO L290 TraceCheckUtils]: 0: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,416 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,416 INFO L290 TraceCheckUtils]: 2: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,416 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {491#true} {491#true} #1223#return; {491#true} is VALID [2022-02-20 21:55:40,417 INFO L290 TraceCheckUtils]: 0: Hoare triple {491#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,418 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {491#true} is VALID [2022-02-20 21:55:40,419 INFO L272 TraceCheckUtils]: 2: Hoare triple {491#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:40,420 INFO L290 TraceCheckUtils]: 3: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,420 INFO L290 TraceCheckUtils]: 4: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,420 INFO L290 TraceCheckUtils]: 5: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,420 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {491#true} {491#true} #1215#return; {491#true} is VALID [2022-02-20 21:55:40,421 INFO L290 TraceCheckUtils]: 7: Hoare triple {491#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {491#true} is VALID [2022-02-20 21:55:40,421 INFO L272 TraceCheckUtils]: 8: Hoare triple {491#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:40,422 INFO L290 TraceCheckUtils]: 9: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,423 INFO L290 TraceCheckUtils]: 10: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,423 INFO L290 TraceCheckUtils]: 11: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,423 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {491#true} {491#true} #1217#return; {491#true} is VALID [2022-02-20 21:55:40,423 INFO L290 TraceCheckUtils]: 13: Hoare triple {491#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {491#true} is VALID [2022-02-20 21:55:40,424 INFO L272 TraceCheckUtils]: 14: Hoare triple {491#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:40,424 INFO L290 TraceCheckUtils]: 15: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,425 INFO L290 TraceCheckUtils]: 16: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,425 INFO L290 TraceCheckUtils]: 17: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,425 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {491#true} {491#true} #1219#return; {491#true} is VALID [2022-02-20 21:55:40,426 INFO L290 TraceCheckUtils]: 19: Hoare triple {491#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {491#true} is VALID [2022-02-20 21:55:40,426 INFO L272 TraceCheckUtils]: 20: Hoare triple {491#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:40,427 INFO L290 TraceCheckUtils]: 21: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,427 INFO L290 TraceCheckUtils]: 22: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,427 INFO L290 TraceCheckUtils]: 23: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,428 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {491#true} {491#true} #1221#return; {491#true} is VALID [2022-02-20 21:55:40,428 INFO L290 TraceCheckUtils]: 25: Hoare triple {491#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {491#true} is VALID [2022-02-20 21:55:40,428 INFO L272 TraceCheckUtils]: 26: Hoare triple {491#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:40,429 INFO L290 TraceCheckUtils]: 27: Hoare triple {514#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:55:40,432 INFO L290 TraceCheckUtils]: 28: Hoare triple {491#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {491#true} is VALID [2022-02-20 21:55:40,435 INFO L290 TraceCheckUtils]: 29: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:55:40,436 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {491#true} {491#true} #1223#return; {491#true} is VALID [2022-02-20 21:55:40,436 INFO L290 TraceCheckUtils]: 31: Hoare triple {491#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {491#true} is VALID [2022-02-20 21:55:40,436 INFO L290 TraceCheckUtils]: 32: Hoare triple {491#true} assume { :end_inline_ldv_set_init } true; {491#true} is VALID [2022-02-20 21:55:40,438 INFO L290 TraceCheckUtils]: 33: Hoare triple {491#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,442 INFO L290 TraceCheckUtils]: 34: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,442 INFO L290 TraceCheckUtils]: 35: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,444 INFO L290 TraceCheckUtils]: 36: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume main_#t~switch226#1; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,445 INFO L290 TraceCheckUtils]: 37: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,445 INFO L290 TraceCheckUtils]: 38: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume main_#t~switch228#1; {513#(= ~ldv_state_variable_0~0 1)} is VALID [2022-02-20 21:55:40,449 INFO L290 TraceCheckUtils]: 39: Hoare triple {513#(= ~ldv_state_variable_0~0 1)} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {492#false} is VALID [2022-02-20 21:55:40,449 INFO L290 TraceCheckUtils]: 40: Hoare triple {492#false} assume { :end_inline_unregister_hdlc_protocol } true; {492#false} is VALID [2022-02-20 21:55:40,449 INFO L290 TraceCheckUtils]: 41: Hoare triple {492#false} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2; {492#false} is VALID [2022-02-20 21:55:40,450 INFO L290 TraceCheckUtils]: 42: Hoare triple {492#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {492#false} is VALID [2022-02-20 21:55:40,450 INFO L290 TraceCheckUtils]: 43: Hoare triple {492#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {492#false} is VALID [2022-02-20 21:55:40,450 INFO L290 TraceCheckUtils]: 44: Hoare triple {492#false} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {492#false} is VALID [2022-02-20 21:55:40,450 INFO L272 TraceCheckUtils]: 45: Hoare triple {492#false} call ldv_error(); {492#false} is VALID [2022-02-20 21:55:40,451 INFO L290 TraceCheckUtils]: 46: Hoare triple {492#false} assume !false; {492#false} is VALID [2022-02-20 21:55:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-20 21:55:40,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:55:40,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740063339] [2022-02-20 21:55:40,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740063339] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:55:40,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:55:40,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 21:55:40,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84402841] [2022-02-20 21:55:40,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:55:40,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-02-20 21:55:40,469 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:55:40,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:40,537 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:40,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 21:55:40,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:55:40,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 21:55:40,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 21:55:40,581 INFO L87 Difference]: Start difference. First operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:43,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:43,646 INFO L93 Difference]: Finished difference Result 1541 states and 2218 transitions. [2022-02-20 21:55:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:55:43,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-02-20 21:55:43,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:55:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2218 transitions. [2022-02-20 21:55:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2218 transitions. [2022-02-20 21:55:43,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 2218 transitions. [2022-02-20 21:55:45,326 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2218 edges. 2218 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:45,464 INFO L225 Difference]: With dead ends: 1541 [2022-02-20 21:55:45,464 INFO L226 Difference]: Without dead ends: 1042 [2022-02-20 21:55:45,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:55:45,475 INFO L933 BasicCegarLoop]: 706 mSDtfsCounter, 1084 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 21:55:45,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1162 Valid, 1458 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 21:55:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-02-20 21:55:45,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 924. [2022-02-20 21:55:45,580 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:55:45,587 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1042 states. Second operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:45,599 INFO L74 IsIncluded]: Start isIncluded. First operand 1042 states. Second operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:45,603 INFO L87 Difference]: Start difference. First operand 1042 states. Second operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:45,721 INFO L93 Difference]: Finished difference Result 1042 states and 1469 transitions. [2022-02-20 21:55:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1469 transitions. [2022-02-20 21:55:45,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:45,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:45,734 INFO L74 IsIncluded]: Start isIncluded. First operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) Second operand 1042 states. [2022-02-20 21:55:45,740 INFO L87 Difference]: Start difference. First operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) Second operand 1042 states. [2022-02-20 21:55:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:45,801 INFO L93 Difference]: Finished difference Result 1042 states and 1469 transitions. [2022-02-20 21:55:45,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1469 transitions. [2022-02-20 21:55:45,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:45,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:45,806 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:55:45,806 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:55:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1284 transitions. [2022-02-20 21:55:45,865 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1284 transitions. Word has length 47 [2022-02-20 21:55:45,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:55:45,867 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1284 transitions. [2022-02-20 21:55:45,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1284 transitions. [2022-02-20 21:55:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-20 21:55:45,870 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:55:45,870 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:55:45,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 21:55:45,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:55:45,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:55:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2097093995, now seen corresponding path program 1 times [2022-02-20 21:55:45,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:55:45,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066991568] [2022-02-20 21:55:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:55:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:55:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:55:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,963 INFO L290 TraceCheckUtils]: 0: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,963 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,964 INFO L290 TraceCheckUtils]: 2: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,964 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6009#true} {6009#true} #1215#return; {6009#true} is VALID [2022-02-20 21:55:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-20 21:55:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,970 INFO L290 TraceCheckUtils]: 0: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,970 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,971 INFO L290 TraceCheckUtils]: 2: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,971 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6009#true} {6009#true} #1217#return; {6009#true} is VALID [2022-02-20 21:55:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 21:55:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,976 INFO L290 TraceCheckUtils]: 0: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,976 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,977 INFO L290 TraceCheckUtils]: 2: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,977 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6009#true} {6009#true} #1219#return; {6009#true} is VALID [2022-02-20 21:55:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 21:55:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,982 INFO L290 TraceCheckUtils]: 0: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,982 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,982 INFO L290 TraceCheckUtils]: 2: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,983 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6009#true} {6009#true} #1221#return; {6009#true} is VALID [2022-02-20 21:55:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:55:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:45,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,988 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6009#true} {6009#true} #1223#return; {6009#true} is VALID [2022-02-20 21:55:45,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {6009#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,989 INFO L290 TraceCheckUtils]: 1: Hoare triple {6009#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {6009#true} is VALID [2022-02-20 21:55:45,989 INFO L272 TraceCheckUtils]: 2: Hoare triple {6009#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:45,989 INFO L290 TraceCheckUtils]: 3: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,990 INFO L290 TraceCheckUtils]: 4: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,990 INFO L290 TraceCheckUtils]: 5: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,990 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {6009#true} {6009#true} #1215#return; {6009#true} is VALID [2022-02-20 21:55:45,990 INFO L290 TraceCheckUtils]: 7: Hoare triple {6009#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {6009#true} is VALID [2022-02-20 21:55:45,991 INFO L272 TraceCheckUtils]: 8: Hoare triple {6009#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:45,991 INFO L290 TraceCheckUtils]: 9: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,991 INFO L290 TraceCheckUtils]: 10: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,991 INFO L290 TraceCheckUtils]: 11: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,992 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {6009#true} {6009#true} #1217#return; {6009#true} is VALID [2022-02-20 21:55:45,992 INFO L290 TraceCheckUtils]: 13: Hoare triple {6009#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {6009#true} is VALID [2022-02-20 21:55:45,992 INFO L272 TraceCheckUtils]: 14: Hoare triple {6009#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:45,992 INFO L290 TraceCheckUtils]: 15: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,993 INFO L290 TraceCheckUtils]: 16: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,993 INFO L290 TraceCheckUtils]: 17: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,993 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {6009#true} {6009#true} #1219#return; {6009#true} is VALID [2022-02-20 21:55:45,993 INFO L290 TraceCheckUtils]: 19: Hoare triple {6009#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {6009#true} is VALID [2022-02-20 21:55:45,994 INFO L272 TraceCheckUtils]: 20: Hoare triple {6009#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:45,994 INFO L290 TraceCheckUtils]: 21: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,994 INFO L290 TraceCheckUtils]: 22: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,994 INFO L290 TraceCheckUtils]: 23: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,994 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {6009#true} {6009#true} #1221#return; {6009#true} is VALID [2022-02-20 21:55:45,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {6009#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {6009#true} is VALID [2022-02-20 21:55:45,995 INFO L272 TraceCheckUtils]: 26: Hoare triple {6009#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:45,995 INFO L290 TraceCheckUtils]: 27: Hoare triple {6033#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {6009#true} is VALID [2022-02-20 21:55:45,995 INFO L290 TraceCheckUtils]: 28: Hoare triple {6009#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L290 TraceCheckUtils]: 29: Hoare triple {6009#true} assume true; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {6009#true} {6009#true} #1223#return; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L290 TraceCheckUtils]: 31: Hoare triple {6009#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L290 TraceCheckUtils]: 32: Hoare triple {6009#true} assume { :end_inline_ldv_set_init } true; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L290 TraceCheckUtils]: 33: Hoare triple {6009#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {6009#true} is VALID [2022-02-20 21:55:45,996 INFO L290 TraceCheckUtils]: 34: Hoare triple {6009#true} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 35: Hoare triple {6009#true} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 36: Hoare triple {6009#true} assume main_#t~switch226#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 37: Hoare triple {6009#true} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 38: Hoare triple {6009#true} assume !main_#t~switch228#1;main_#t~switch228#1 := main_#t~switch228#1 || 1 == main_~tmp___7~2#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 39: Hoare triple {6009#true} assume main_#t~switch228#1; {6009#true} is VALID [2022-02-20 21:55:45,997 INFO L290 TraceCheckUtils]: 40: Hoare triple {6009#true} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_mod_init } true;havoc mod_init_#res#1;assume { :begin_inline_register_hdlc_protocol } true;register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset;register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset := register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset; {6009#true} is VALID [2022-02-20 21:55:45,998 INFO L290 TraceCheckUtils]: 41: Hoare triple {6009#true} assume { :end_inline_register_hdlc_protocol } true;mod_init_#res#1 := 0; {6031#(= |ULTIMATE.start_mod_init_#res#1| 0)} is VALID [2022-02-20 21:55:45,998 INFO L290 TraceCheckUtils]: 42: Hoare triple {6031#(= |ULTIMATE.start_mod_init_#res#1| 0)} main_#t~ret229#1 := mod_init_#res#1;assume { :end_inline_mod_init } true;assume -2147483648 <= main_#t~ret229#1 && main_#t~ret229#1 <= 2147483647;~ldv_retval_0~0 := main_#t~ret229#1;havoc main_#t~ret229#1; {6032#(= ~ldv_retval_0~0 0)} is VALID [2022-02-20 21:55:45,999 INFO L290 TraceCheckUtils]: 43: Hoare triple {6032#(= ~ldv_retval_0~0 0)} assume !(0 == ~ldv_retval_0~0); {6010#false} is VALID [2022-02-20 21:55:45,999 INFO L290 TraceCheckUtils]: 44: Hoare triple {6010#false} assume 0 != ~ldv_retval_0~0;~ldv_state_variable_0~0 := 2; {6010#false} is VALID [2022-02-20 21:55:45,999 INFO L290 TraceCheckUtils]: 45: Hoare triple {6010#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {6010#false} is VALID [2022-02-20 21:55:45,999 INFO L290 TraceCheckUtils]: 46: Hoare triple {6010#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {6010#false} is VALID [2022-02-20 21:55:45,999 INFO L290 TraceCheckUtils]: 47: Hoare triple {6010#false} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {6010#false} is VALID [2022-02-20 21:55:46,000 INFO L272 TraceCheckUtils]: 48: Hoare triple {6010#false} call ldv_error(); {6010#false} is VALID [2022-02-20 21:55:46,000 INFO L290 TraceCheckUtils]: 49: Hoare triple {6010#false} assume !false; {6010#false} is VALID [2022-02-20 21:55:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-20 21:55:46,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:55:46,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066991568] [2022-02-20 21:55:46,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066991568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:55:46,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:55:46,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 21:55:46,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66287261] [2022-02-20 21:55:46,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:55:46,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2022-02-20 21:55:46,003 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:55:46,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:46,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:46,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 21:55:46,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:55:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 21:55:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:55:46,030 INFO L87 Difference]: Start difference. First operand 924 states and 1284 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:49,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:49,056 INFO L93 Difference]: Finished difference Result 1951 states and 2732 transitions. [2022-02-20 21:55:49,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:55:49,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2022-02-20 21:55:49,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:55:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1562 transitions. [2022-02-20 21:55:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1562 transitions. [2022-02-20 21:55:49,098 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1562 transitions. [2022-02-20 21:55:50,188 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1562 edges. 1562 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:50,249 INFO L225 Difference]: With dead ends: 1951 [2022-02-20 21:55:50,249 INFO L226 Difference]: Without dead ends: 1041 [2022-02-20 21:55:50,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:55:50,253 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 987 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 21:55:50,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1049 Valid, 1569 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 21:55:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-02-20 21:55:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 923. [2022-02-20 21:55:50,288 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:55:50,291 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1041 states. Second operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:50,293 INFO L74 IsIncluded]: Start isIncluded. First operand 1041 states. Second operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:50,294 INFO L87 Difference]: Start difference. First operand 1041 states. Second operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:50,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:50,352 INFO L93 Difference]: Finished difference Result 1041 states and 1465 transitions. [2022-02-20 21:55:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1465 transitions. [2022-02-20 21:55:50,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:50,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:50,360 INFO L74 IsIncluded]: Start isIncluded. First operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) Second operand 1041 states. [2022-02-20 21:55:50,362 INFO L87 Difference]: Start difference. First operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) Second operand 1041 states. [2022-02-20 21:55:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:50,410 INFO L93 Difference]: Finished difference Result 1041 states and 1465 transitions. [2022-02-20 21:55:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1465 transitions. [2022-02-20 21:55:50,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:50,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:50,414 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:55:50,414 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:55:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-02-20 21:55:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1280 transitions. [2022-02-20 21:55:50,463 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1280 transitions. Word has length 50 [2022-02-20 21:55:50,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:55:50,464 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1280 transitions. [2022-02-20 21:55:50,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:55:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1280 transitions. [2022-02-20 21:55:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-20 21:55:50,468 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:55:50,468 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:55:50,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 21:55:50,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:55:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:55:50,469 INFO L85 PathProgramCache]: Analyzing trace with hash 171125928, now seen corresponding path program 1 times [2022-02-20 21:55:50,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:55:50,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559272003] [2022-02-20 21:55:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:55:50,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:55:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:55:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,595 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,596 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,596 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,596 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12081#true} #1215#return; {12081#true} is VALID [2022-02-20 21:55:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-20 21:55:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,604 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,604 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,604 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,604 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12081#true} #1217#return; {12081#true} is VALID [2022-02-20 21:55:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 21:55:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,610 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,610 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,610 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,610 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12081#true} #1219#return; {12081#true} is VALID [2022-02-20 21:55:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 21:55:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,617 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,617 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,617 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,617 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12081#true} #1221#return; {12081#true} is VALID [2022-02-20 21:55:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:55:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,622 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,623 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,623 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,623 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12081#true} #1223#return; {12081#true} is VALID [2022-02-20 21:55:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:55:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,633 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,633 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,633 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,634 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12103#(= ~last_index~0 0)} #1243#return; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-02-20 21:55:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:50,648 INFO L290 TraceCheckUtils]: 0: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,649 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12081#true} {12103#(= ~last_index~0 0)} #1245#return; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,649 INFO L290 TraceCheckUtils]: 0: Hoare triple {12081#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,649 INFO L290 TraceCheckUtils]: 1: Hoare triple {12081#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {12081#true} is VALID [2022-02-20 21:55:50,650 INFO L272 TraceCheckUtils]: 2: Hoare triple {12081#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,650 INFO L290 TraceCheckUtils]: 3: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,650 INFO L290 TraceCheckUtils]: 4: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,650 INFO L290 TraceCheckUtils]: 5: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,651 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {12081#true} {12081#true} #1215#return; {12081#true} is VALID [2022-02-20 21:55:50,651 INFO L290 TraceCheckUtils]: 7: Hoare triple {12081#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {12081#true} is VALID [2022-02-20 21:55:50,651 INFO L272 TraceCheckUtils]: 8: Hoare triple {12081#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,651 INFO L290 TraceCheckUtils]: 9: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,652 INFO L290 TraceCheckUtils]: 10: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,652 INFO L290 TraceCheckUtils]: 11: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,653 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {12081#true} {12081#true} #1217#return; {12081#true} is VALID [2022-02-20 21:55:50,653 INFO L290 TraceCheckUtils]: 13: Hoare triple {12081#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {12081#true} is VALID [2022-02-20 21:55:50,653 INFO L272 TraceCheckUtils]: 14: Hoare triple {12081#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,653 INFO L290 TraceCheckUtils]: 15: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,654 INFO L290 TraceCheckUtils]: 16: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,654 INFO L290 TraceCheckUtils]: 17: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,654 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {12081#true} {12081#true} #1219#return; {12081#true} is VALID [2022-02-20 21:55:50,654 INFO L290 TraceCheckUtils]: 19: Hoare triple {12081#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {12081#true} is VALID [2022-02-20 21:55:50,655 INFO L272 TraceCheckUtils]: 20: Hoare triple {12081#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,655 INFO L290 TraceCheckUtils]: 21: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,655 INFO L290 TraceCheckUtils]: 22: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,655 INFO L290 TraceCheckUtils]: 23: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,655 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {12081#true} {12081#true} #1221#return; {12081#true} is VALID [2022-02-20 21:55:50,655 INFO L290 TraceCheckUtils]: 25: Hoare triple {12081#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {12081#true} is VALID [2022-02-20 21:55:50,656 INFO L272 TraceCheckUtils]: 26: Hoare triple {12081#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,656 INFO L290 TraceCheckUtils]: 27: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,656 INFO L290 TraceCheckUtils]: 28: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,656 INFO L290 TraceCheckUtils]: 29: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,657 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {12081#true} {12081#true} #1223#return; {12081#true} is VALID [2022-02-20 21:55:50,657 INFO L290 TraceCheckUtils]: 31: Hoare triple {12081#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,660 INFO L290 TraceCheckUtils]: 32: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_ldv_set_init } true; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,660 INFO L290 TraceCheckUtils]: 33: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,661 INFO L290 TraceCheckUtils]: 34: Hoare triple {12103#(= ~last_index~0 0)} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,661 INFO L290 TraceCheckUtils]: 35: Hoare triple {12103#(= ~last_index~0 0)} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,661 INFO L290 TraceCheckUtils]: 36: Hoare triple {12103#(= ~last_index~0 0)} assume main_#t~switch226#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,662 INFO L290 TraceCheckUtils]: 37: Hoare triple {12103#(= ~last_index~0 0)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,662 INFO L290 TraceCheckUtils]: 38: Hoare triple {12103#(= ~last_index~0 0)} assume !main_#t~switch228#1;main_#t~switch228#1 := main_#t~switch228#1 || 1 == main_~tmp___7~2#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,662 INFO L290 TraceCheckUtils]: 39: Hoare triple {12103#(= ~last_index~0 0)} assume main_#t~switch228#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,663 INFO L290 TraceCheckUtils]: 40: Hoare triple {12103#(= ~last_index~0 0)} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_mod_init } true;havoc mod_init_#res#1;assume { :begin_inline_register_hdlc_protocol } true;register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset;register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset := register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,663 INFO L290 TraceCheckUtils]: 41: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_register_hdlc_protocol } true;mod_init_#res#1 := 0; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,663 INFO L290 TraceCheckUtils]: 42: Hoare triple {12103#(= ~last_index~0 0)} main_#t~ret229#1 := mod_init_#res#1;assume { :end_inline_mod_init } true;assume -2147483648 <= main_#t~ret229#1 && main_#t~ret229#1 <= 2147483647;~ldv_retval_0~0 := main_#t~ret229#1;havoc main_#t~ret229#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,664 INFO L290 TraceCheckUtils]: 43: Hoare triple {12103#(= ~last_index~0 0)} assume 0 == ~ldv_retval_0~0;~ldv_state_variable_0~0 := 3;~ldv_state_variable_2~0 := 1;~ldv_state_variable_3~0 := 1;assume { :begin_inline_ldv_initialize_hdlc_proto_3 } true;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset, ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset, ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,664 INFO L272 TraceCheckUtils]: 44: Hoare triple {12103#(= ~last_index~0 0)} call ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset := ldv_zalloc(232); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,664 INFO L290 TraceCheckUtils]: 45: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,665 INFO L290 TraceCheckUtils]: 46: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,665 INFO L290 TraceCheckUtils]: 47: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,665 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {12081#true} {12103#(= ~last_index~0 0)} #1243#return; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,670 INFO L290 TraceCheckUtils]: 49: Hoare triple {12103#(= ~last_index~0 0)} ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset := ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;~proto_group1~0.base, ~proto_group1~0.offset := ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,671 INFO L272 TraceCheckUtils]: 50: Hoare triple {12103#(= ~last_index~0 0)} call ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset := ldv_zalloc(3264); {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:50,671 INFO L290 TraceCheckUtils]: 51: Hoare triple {12114#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {12081#true} is VALID [2022-02-20 21:55:50,671 INFO L290 TraceCheckUtils]: 52: Hoare triple {12081#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {12081#true} is VALID [2022-02-20 21:55:50,671 INFO L290 TraceCheckUtils]: 53: Hoare triple {12081#true} assume true; {12081#true} is VALID [2022-02-20 21:55:50,672 INFO L284 TraceCheckUtils]: 54: Hoare quadruple {12081#true} {12103#(= ~last_index~0 0)} #1245#return; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,672 INFO L290 TraceCheckUtils]: 55: Hoare triple {12103#(= ~last_index~0 0)} ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset := ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;~proto_group0~0.base, ~proto_group0~0.offset := ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,673 INFO L290 TraceCheckUtils]: 56: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_ldv_initialize_hdlc_proto_3 } true; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,673 INFO L290 TraceCheckUtils]: 57: Hoare triple {12103#(= ~last_index~0 0)} assume !(0 != ~ldv_retval_0~0); {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,673 INFO L290 TraceCheckUtils]: 58: Hoare triple {12103#(= ~last_index~0 0)} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,674 INFO L290 TraceCheckUtils]: 59: Hoare triple {12103#(= ~last_index~0 0)} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,674 INFO L290 TraceCheckUtils]: 60: Hoare triple {12103#(= ~last_index~0 0)} assume main_#t~switch226#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,674 INFO L290 TraceCheckUtils]: 61: Hoare triple {12103#(= ~last_index~0 0)} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,675 INFO L290 TraceCheckUtils]: 62: Hoare triple {12103#(= ~last_index~0 0)} assume main_#t~switch228#1; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,675 INFO L290 TraceCheckUtils]: 63: Hoare triple {12103#(= ~last_index~0 0)} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,676 INFO L290 TraceCheckUtils]: 64: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_unregister_hdlc_protocol } true; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,676 INFO L290 TraceCheckUtils]: 65: Hoare triple {12103#(= ~last_index~0 0)} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2; {12103#(= ~last_index~0 0)} is VALID [2022-02-20 21:55:50,677 INFO L290 TraceCheckUtils]: 66: Hoare triple {12103#(= ~last_index~0 0)} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {12112#(<= 1 |ULTIMATE.start_ldv_set_is_empty_#res#1|)} is VALID [2022-02-20 21:55:50,677 INFO L290 TraceCheckUtils]: 67: Hoare triple {12112#(<= 1 |ULTIMATE.start_ldv_set_is_empty_#res#1|)} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {12113#(<= 1 |ULTIMATE.start_ldv_check_final_state_~tmp___7~8#1|)} is VALID [2022-02-20 21:55:50,678 INFO L290 TraceCheckUtils]: 68: Hoare triple {12113#(<= 1 |ULTIMATE.start_ldv_check_final_state_~tmp___7~8#1|)} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {12082#false} is VALID [2022-02-20 21:55:50,678 INFO L272 TraceCheckUtils]: 69: Hoare triple {12082#false} call ldv_error(); {12082#false} is VALID [2022-02-20 21:55:50,678 INFO L290 TraceCheckUtils]: 70: Hoare triple {12082#false} assume !false; {12082#false} is VALID [2022-02-20 21:55:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-02-20 21:55:50,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:55:50,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559272003] [2022-02-20 21:55:50,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559272003] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:55:50,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:55:50,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 21:55:50,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512053546] [2022-02-20 21:55:50,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:55:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-02-20 21:55:50,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:55:50,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 21:55:50,728 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:50,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 21:55:50,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:55:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 21:55:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 21:55:50,730 INFO L87 Difference]: Start difference. First operand 923 states and 1280 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 21:55:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:55,488 INFO L93 Difference]: Finished difference Result 2974 states and 4185 transitions. [2022-02-20 21:55:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 21:55:55,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-02-20 21:55:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:55:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 21:55:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2137 transitions. [2022-02-20 21:55:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 21:55:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2137 transitions. [2022-02-20 21:55:55,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 2137 transitions. [2022-02-20 21:55:57,111 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2137 edges. 2137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:57,320 INFO L225 Difference]: With dead ends: 2974 [2022-02-20 21:55:57,321 INFO L226 Difference]: Without dead ends: 2060 [2022-02-20 21:55:57,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-20 21:55:57,324 INFO L933 BasicCegarLoop]: 691 mSDtfsCounter, 1091 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 21:55:57,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 2431 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 21:55:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-02-20 21:55:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1924. [2022-02-20 21:55:57,374 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:55:57,378 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2060 states. Second operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) [2022-02-20 21:55:57,382 INFO L74 IsIncluded]: Start isIncluded. First operand 2060 states. Second operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) [2022-02-20 21:55:57,386 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) [2022-02-20 21:55:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:57,576 INFO L93 Difference]: Finished difference Result 2060 states and 2904 transitions. [2022-02-20 21:55:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2904 transitions. [2022-02-20 21:55:57,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:57,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:57,598 INFO L74 IsIncluded]: Start isIncluded. First operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) Second operand 2060 states. [2022-02-20 21:55:57,603 INFO L87 Difference]: Start difference. First operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) Second operand 2060 states. [2022-02-20 21:55:57,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:55:57,768 INFO L93 Difference]: Finished difference Result 2060 states and 2904 transitions. [2022-02-20 21:55:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2904 transitions. [2022-02-20 21:55:57,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:55:57,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:55:57,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:55:57,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:55:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) [2022-02-20 21:55:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2697 transitions. [2022-02-20 21:55:58,000 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2697 transitions. Word has length 71 [2022-02-20 21:55:58,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:55:58,002 INFO L470 AbstractCegarLoop]: Abstraction has 1924 states and 2697 transitions. [2022-02-20 21:55:58,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 21:55:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2697 transitions. [2022-02-20 21:55:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-20 21:55:58,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:55:58,009 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:55:58,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 21:55:58,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:55:58,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:55:58,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1729160309, now seen corresponding path program 1 times [2022-02-20 21:55:58,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:55:58,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451205324] [2022-02-20 21:55:58,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:55:58,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:55:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:55:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,148 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,148 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,148 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,153 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1215#return; {22963#true} is VALID [2022-02-20 21:55:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-20 21:55:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,160 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,162 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1217#return; {22963#true} is VALID [2022-02-20 21:55:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 21:55:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,172 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,173 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,173 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,173 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1219#return; {22963#true} is VALID [2022-02-20 21:55:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 21:55:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,179 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,181 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,181 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,181 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1221#return; {22963#true} is VALID [2022-02-20 21:55:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:55:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,187 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,188 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,189 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,192 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1223#return; {22963#true} is VALID [2022-02-20 21:55:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 21:55:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,198 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;havoc ~tmp~12#1.base, ~tmp~12#1.offset;assume { :begin_inline_netdev_priv } true;netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset := ~dev#1.base, ~dev#1.offset;havoc netdev_priv_#res#1.base, netdev_priv_#res#1.offset;havoc netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset;netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset := netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset;netdev_priv_#res#1.base, netdev_priv_#res#1.offset := netdev_priv_~dev#1.base, 3264 + netdev_priv_~dev#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,198 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} #t~ret84#1.base, #t~ret84#1.offset := netdev_priv_#res#1.base, netdev_priv_#res#1.offset;assume { :end_inline_netdev_priv } true;~tmp~12#1.base, ~tmp~12#1.offset := #t~ret84#1.base, #t~ret84#1.offset;havoc #t~ret84#1.base, #t~ret84#1.offset;#res#1.base, #res#1.offset := ~tmp~12#1.base, ~tmp~12#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,198 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,198 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1225#return; {22963#true} is VALID [2022-02-20 21:55:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-02-20 21:55:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,203 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~hdlc.base, ~hdlc.offset := #in~hdlc.base, #in~hdlc.offset;call #t~mem91.base, #t~mem91.offset := read~$Pointer$(~hdlc.base, 100 + ~hdlc.offset, 8);#res.base, #res.offset := #t~mem91.base, #t~mem91.offset;havoc #t~mem91.base, #t~mem91.offset; {22963#true} is VALID [2022-02-20 21:55:58,204 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,204 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {22963#true} {22963#true} #1227#return; {22963#true} is VALID [2022-02-20 21:55:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:55:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,208 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_lock } true;_raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset;_raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset := _raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,209 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume { :end_inline__raw_spin_lock } true; {22963#true} is VALID [2022-02-20 21:55:58,209 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,209 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1229#return; {22963#true} is VALID [2022-02-20 21:55:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-02-20 21:55:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,216 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:58,217 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:58,217 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,217 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1233#return; {22963#true} is VALID [2022-02-20 21:55:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-02-20 21:55:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,221 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:58,222 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:58,222 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,222 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22963#true} #1235#return; {22963#true} is VALID [2022-02-20 21:55:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-02-20 21:55:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:55:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:55:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,378 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,378 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,379 INFO L290 TraceCheckUtils]: 2: Hoare triple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} assume true; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,380 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} {22963#true} #1107#return; {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:55:58,380 INFO L290 TraceCheckUtils]: 0: Hoare triple {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,381 INFO L272 TraceCheckUtils]: 1: Hoare triple {22963#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,381 INFO L290 TraceCheckUtils]: 3: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} assume true; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,382 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} {22963#true} #1107#return; {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:55:58,383 INFO L290 TraceCheckUtils]: 6: Hoare triple {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} is VALID [2022-02-20 21:55:58,383 INFO L290 TraceCheckUtils]: 7: Hoare triple {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L290 TraceCheckUtils]: 9: Hoare triple {22964#false} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L290 TraceCheckUtils]: 10: Hoare triple {22964#false} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {22964#false} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:58,384 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {22964#false} {22963#true} #1109#return; {22964#false} is VALID [2022-02-20 21:55:58,385 INFO L290 TraceCheckUtils]: 0: Hoare triple {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;~type#1 := #in~type#1;~par1#1 := #in~par1#1;~par2#1 := #in~par2#1;havoc ~skb~0#1.base, ~skb~0#1.offset;havoc ~data~1#1.base, ~data~1#1.offset;havoc ~tmp~15#1;havoc ~tmp___0~8#1;assume { :begin_inline_ldv_dev_alloc_skb_12 } true;ldv_dev_alloc_skb_12_#in~length#1 := 22;havoc ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset, ldv_dev_alloc_skb_12_~length#1, ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset;ldv_dev_alloc_skb_12_~length#1 := ldv_dev_alloc_skb_12_#in~length#1;havoc ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,385 INFO L272 TraceCheckUtils]: 1: Hoare triple {22963#true} call ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset := ldv_skb_alloc(); {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:55:58,386 INFO L290 TraceCheckUtils]: 2: Hoare triple {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,386 INFO L272 TraceCheckUtils]: 3: Hoare triple {22963#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,386 INFO L290 TraceCheckUtils]: 4: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,387 INFO L290 TraceCheckUtils]: 5: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,387 INFO L290 TraceCheckUtils]: 6: Hoare triple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} assume true; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,388 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} {22963#true} #1107#return; {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:55:58,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} is VALID [2022-02-20 21:55:58,389 INFO L290 TraceCheckUtils]: 9: Hoare triple {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {22964#false} is VALID [2022-02-20 21:55:58,389 INFO L290 TraceCheckUtils]: 10: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:58,389 INFO L290 TraceCheckUtils]: 11: Hoare triple {22964#false} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {22964#false} is VALID [2022-02-20 21:55:58,389 INFO L290 TraceCheckUtils]: 12: Hoare triple {22964#false} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {22964#false} is VALID [2022-02-20 21:55:58,389 INFO L290 TraceCheckUtils]: 13: Hoare triple {22964#false} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L290 TraceCheckUtils]: 14: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {22964#false} {22963#true} #1109#return; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L290 TraceCheckUtils]: 16: Hoare triple {22964#false} ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset := ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset := ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L290 TraceCheckUtils]: 17: Hoare triple {22964#false} #t~ret95#1.base, #t~ret95#1.offset := ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;assume { :end_inline_ldv_dev_alloc_skb_12 } true;~skb~0#1.base, ~skb~0#1.offset := #t~ret95#1.base, #t~ret95#1.offset;havoc #t~ret95#1.base, #t~ret95#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L290 TraceCheckUtils]: 18: Hoare triple {22964#false} assume 0 == (~skb~0#1.base + ~skb~0#1.offset) % 18446744073709551616;havoc #t~nondet96#1; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L290 TraceCheckUtils]: 19: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:58,390 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {22964#false} {22963#true} #1237#return; {22964#false} is VALID [2022-02-20 21:55:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-20 21:55:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,396 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_unlock } true;_raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset;_raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset := _raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,397 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume { :end_inline__raw_spin_unlock } true; {22963#true} is VALID [2022-02-20 21:55:58,397 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,397 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22964#false} #1239#return; {22964#false} is VALID [2022-02-20 21:55:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-02-20 21:55:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,402 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {22963#true} is VALID [2022-02-20 21:55:58,402 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,402 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {22963#true} {22964#false} #1241#return; {22964#false} is VALID [2022-02-20 21:55:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-02-20 21:55:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,409 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,409 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,409 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,409 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22964#false} #1243#return; {22964#false} is VALID [2022-02-20 21:55:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-02-20 21:55:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,415 INFO L290 TraceCheckUtils]: 0: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,415 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,415 INFO L290 TraceCheckUtils]: 2: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,415 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22963#true} {22964#false} #1245#return; {22964#false} is VALID [2022-02-20 21:55:58,415 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,416 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {22963#true} is VALID [2022-02-20 21:55:58,416 INFO L272 TraceCheckUtils]: 2: Hoare triple {22963#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,416 INFO L290 TraceCheckUtils]: 3: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,417 INFO L290 TraceCheckUtils]: 4: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,417 INFO L290 TraceCheckUtils]: 5: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,417 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {22963#true} {22963#true} #1215#return; {22963#true} is VALID [2022-02-20 21:55:58,417 INFO L290 TraceCheckUtils]: 7: Hoare triple {22963#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {22963#true} is VALID [2022-02-20 21:55:58,417 INFO L272 TraceCheckUtils]: 8: Hoare triple {22963#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,418 INFO L290 TraceCheckUtils]: 9: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,418 INFO L290 TraceCheckUtils]: 10: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,418 INFO L290 TraceCheckUtils]: 11: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,418 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {22963#true} {22963#true} #1217#return; {22963#true} is VALID [2022-02-20 21:55:58,418 INFO L290 TraceCheckUtils]: 13: Hoare triple {22963#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,419 INFO L272 TraceCheckUtils]: 14: Hoare triple {22963#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,419 INFO L290 TraceCheckUtils]: 15: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,419 INFO L290 TraceCheckUtils]: 16: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,419 INFO L290 TraceCheckUtils]: 17: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,419 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {22963#true} {22963#true} #1219#return; {22963#true} is VALID [2022-02-20 21:55:58,419 INFO L290 TraceCheckUtils]: 19: Hoare triple {22963#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,420 INFO L272 TraceCheckUtils]: 20: Hoare triple {22963#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,420 INFO L290 TraceCheckUtils]: 21: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,420 INFO L290 TraceCheckUtils]: 22: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,420 INFO L290 TraceCheckUtils]: 23: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,420 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {22963#true} {22963#true} #1221#return; {22963#true} is VALID [2022-02-20 21:55:58,420 INFO L290 TraceCheckUtils]: 25: Hoare triple {22963#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,421 INFO L272 TraceCheckUtils]: 26: Hoare triple {22963#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,421 INFO L290 TraceCheckUtils]: 27: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,421 INFO L290 TraceCheckUtils]: 28: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,421 INFO L290 TraceCheckUtils]: 29: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {22963#true} {22963#true} #1223#return; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 31: Hoare triple {22963#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 32: Hoare triple {22963#true} assume { :end_inline_ldv_set_init } true; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 33: Hoare triple {22963#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 34: Hoare triple {22963#true} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 35: Hoare triple {22963#true} assume main_#t~switch226#1; {22963#true} is VALID [2022-02-20 21:55:58,422 INFO L290 TraceCheckUtils]: 36: Hoare triple {22963#true} assume 0 != ~ldv_state_variable_1~0;assume { :begin_inline_choose_timer_1 } true;choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset := ~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset;havoc choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset, choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset;choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset := choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset;~LDV_IN_INTERRUPT~0 := 2;call choose_timer_1_#t~mem216#1 := read~int(choose_timer_1_~timer#1.base, 40 + choose_timer_1_~timer#1.offset, 8);call choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset := read~$Pointer$(choose_timer_1_~timer#1.base, 32 + choose_timer_1_~timer#1.offset, 8);assume { :begin_inline_##fun~int~TO~VOID } true;##fun~int~TO~VOID_#in~215#1, ##fun~int~TO~VOID_#in~#fp#1.base, ##fun~int~TO~VOID_#in~#fp#1.offset := choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;havoc ##fun~int~TO~VOID_#~215#1;##fun~int~TO~VOID_#~215#1 := ##fun~int~TO~VOID_#in~215#1;assume { :begin_inline_cisco_timer } true;cisco_timer_#in~arg#1 := ##fun~int~TO~VOID_#~215#1;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset, cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset, cisco_timer_#t~mem160#1, cisco_timer_#t~mem162#1, cisco_timer_#t~mem161#1, cisco_timer_#t~short163#1, cisco_timer_#t~nondet164#1, cisco_timer_#t~mem165#1, cisco_timer_#t~ret166#1, cisco_timer_#t~mem167#1, cisco_timer_#t~mem168#1, cisco_timer_#t~ret169#1, cisco_timer_#t~mem170#1, cisco_timer_~arg#1, cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset, cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset, cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset, cisco_timer_~tmp___1~6#1, cisco_timer_~tmp___2~2#1;cisco_timer_~arg#1 := cisco_timer_#in~arg#1;havoc cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset;havoc cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset;havoc cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset;havoc cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset;havoc cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset;havoc cisco_timer_~tmp___1~6#1;havoc cisco_timer_~tmp___2~2#1;cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset := 0, (if cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 else cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616); {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L272 TraceCheckUtils]: 37: Hoare triple {22963#true} call cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset := dev_to_hdlc(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L290 TraceCheckUtils]: 38: Hoare triple {22963#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;havoc ~tmp~12#1.base, ~tmp~12#1.offset;assume { :begin_inline_netdev_priv } true;netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset := ~dev#1.base, ~dev#1.offset;havoc netdev_priv_#res#1.base, netdev_priv_#res#1.offset;havoc netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset;netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset := netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset;netdev_priv_#res#1.base, netdev_priv_#res#1.offset := netdev_priv_~dev#1.base, 3264 + netdev_priv_~dev#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L290 TraceCheckUtils]: 39: Hoare triple {22963#true} #t~ret84#1.base, #t~ret84#1.offset := netdev_priv_#res#1.base, netdev_priv_#res#1.offset;assume { :end_inline_netdev_priv } true;~tmp~12#1.base, ~tmp~12#1.offset := #t~ret84#1.base, #t~ret84#1.offset;havoc #t~ret84#1.base, #t~ret84#1.offset;#res#1.base, #res#1.offset := ~tmp~12#1.base, ~tmp~12#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L290 TraceCheckUtils]: 40: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {22963#true} {22963#true} #1225#return; {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L290 TraceCheckUtils]: 42: Hoare triple {22963#true} cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset := cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset := cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,423 INFO L272 TraceCheckUtils]: 43: Hoare triple {22963#true} call cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset := state(cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L290 TraceCheckUtils]: 44: Hoare triple {22963#true} ~hdlc.base, ~hdlc.offset := #in~hdlc.base, #in~hdlc.offset;call #t~mem91.base, #t~mem91.offset := read~$Pointer$(~hdlc.base, 100 + ~hdlc.offset, 8);#res.base, #res.offset := #t~mem91.base, #t~mem91.offset;havoc #t~mem91.base, #t~mem91.offset; {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L290 TraceCheckUtils]: 45: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {22963#true} {22963#true} #1227#return; {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L290 TraceCheckUtils]: 47: Hoare triple {22963#true} cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset := cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;havoc cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset := cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L272 TraceCheckUtils]: 48: Hoare triple {22963#true} call spin_lock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L290 TraceCheckUtils]: 49: Hoare triple {22963#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_lock } true;_raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset;_raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset := _raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,424 INFO L290 TraceCheckUtils]: 50: Hoare triple {22963#true} assume { :end_inline__raw_spin_lock } true; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L290 TraceCheckUtils]: 51: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {22963#true} {22963#true} #1229#return; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L290 TraceCheckUtils]: 53: Hoare triple {22963#true} call cisco_timer_#t~mem160#1 := read~int(cisco_timer_~st~1#1.base, 208 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := 0 != cisco_timer_#t~mem160#1; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L290 TraceCheckUtils]: 54: Hoare triple {22963#true} assume cisco_timer_#t~short163#1;call cisco_timer_#t~mem162#1 := read~int(cisco_timer_~st~1#1.base, 200 + cisco_timer_~st~1#1.offset, 8);call cisco_timer_#t~mem161#1 := read~int(cisco_timer_~st~1#1.base, 4 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := (if (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 else (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L290 TraceCheckUtils]: 55: Hoare triple {22963#true} assume !cisco_timer_#t~short163#1;havoc cisco_timer_#t~mem160#1;havoc cisco_timer_#t~mem162#1;havoc cisco_timer_#t~mem161#1;havoc cisco_timer_#t~short163#1; {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L290 TraceCheckUtils]: 56: Hoare triple {22963#true} call cisco_timer_#t~mem165#1 := read~int(cisco_timer_~st~1#1.base, 216 + cisco_timer_~st~1#1.offset, 4); {22963#true} is VALID [2022-02-20 21:55:58,425 INFO L272 TraceCheckUtils]: 57: Hoare triple {22963#true} call cisco_timer_#t~ret166#1 := __fswab32(cisco_timer_#t~mem165#1); {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 58: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 59: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 60: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {22963#true} {22963#true} #1233#return; {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 62: Hoare triple {22963#true} cisco_timer_~tmp___1~6#1 := cisco_timer_#t~ret166#1;havoc cisco_timer_#t~mem165#1;havoc cisco_timer_#t~ret166#1;call cisco_timer_#t~mem167#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);call write~int(1 + cisco_timer_#t~mem167#1, cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);havoc cisco_timer_#t~mem167#1;call cisco_timer_#t~mem168#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4); {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L272 TraceCheckUtils]: 63: Hoare triple {22963#true} call cisco_timer_#t~ret169#1 := __fswab32(cisco_timer_#t~mem168#1); {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 64: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:58,426 INFO L290 TraceCheckUtils]: 65: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:58,427 INFO L290 TraceCheckUtils]: 66: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,427 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {22963#true} {22963#true} #1235#return; {22963#true} is VALID [2022-02-20 21:55:58,427 INFO L290 TraceCheckUtils]: 68: Hoare triple {22963#true} cisco_timer_~tmp___2~2#1 := cisco_timer_#t~ret169#1;havoc cisco_timer_#t~mem168#1;havoc cisco_timer_#t~ret169#1; {22963#true} is VALID [2022-02-20 21:55:58,428 INFO L272 TraceCheckUtils]: 69: Hoare triple {22963#true} call cisco_keepalive_send(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, 2, cisco_timer_~tmp___2~2#1, cisco_timer_~tmp___1~6#1); {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:55:58,428 INFO L290 TraceCheckUtils]: 70: Hoare triple {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;~type#1 := #in~type#1;~par1#1 := #in~par1#1;~par2#1 := #in~par2#1;havoc ~skb~0#1.base, ~skb~0#1.offset;havoc ~data~1#1.base, ~data~1#1.offset;havoc ~tmp~15#1;havoc ~tmp___0~8#1;assume { :begin_inline_ldv_dev_alloc_skb_12 } true;ldv_dev_alloc_skb_12_#in~length#1 := 22;havoc ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset, ldv_dev_alloc_skb_12_~length#1, ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset;ldv_dev_alloc_skb_12_~length#1 := ldv_dev_alloc_skb_12_#in~length#1;havoc ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,429 INFO L272 TraceCheckUtils]: 71: Hoare triple {22963#true} call ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset := ldv_skb_alloc(); {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:55:58,429 INFO L290 TraceCheckUtils]: 72: Hoare triple {23041#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,429 INFO L272 TraceCheckUtils]: 73: Hoare triple {22963#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,430 INFO L290 TraceCheckUtils]: 74: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,430 INFO L290 TraceCheckUtils]: 75: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,430 INFO L290 TraceCheckUtils]: 76: Hoare triple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} assume true; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:58,431 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} {22963#true} #1107#return; {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:55:58,432 INFO L290 TraceCheckUtils]: 78: Hoare triple {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} is VALID [2022-02-20 21:55:58,432 INFO L290 TraceCheckUtils]: 79: Hoare triple {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {22964#false} is VALID [2022-02-20 21:55:58,432 INFO L290 TraceCheckUtils]: 80: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:58,432 INFO L290 TraceCheckUtils]: 81: Hoare triple {22964#false} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 82: Hoare triple {22964#false} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 83: Hoare triple {22964#false} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 84: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22964#false} {22963#true} #1109#return; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 86: Hoare triple {22964#false} ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset := ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset := ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 87: Hoare triple {22964#false} #t~ret95#1.base, #t~ret95#1.offset := ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;assume { :end_inline_ldv_dev_alloc_skb_12 } true;~skb~0#1.base, ~skb~0#1.offset := #t~ret95#1.base, #t~ret95#1.offset;havoc #t~ret95#1.base, #t~ret95#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 88: Hoare triple {22964#false} assume 0 == (~skb~0#1.base + ~skb~0#1.offset) % 18446744073709551616;havoc #t~nondet96#1; {22964#false} is VALID [2022-02-20 21:55:58,433 INFO L290 TraceCheckUtils]: 89: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:58,434 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {22964#false} {22963#true} #1237#return; {22964#false} is VALID [2022-02-20 21:55:58,434 INFO L272 TraceCheckUtils]: 91: Hoare triple {22964#false} call spin_unlock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:58,434 INFO L290 TraceCheckUtils]: 92: Hoare triple {22963#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_unlock } true;_raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset;_raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset := _raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset; {22963#true} is VALID [2022-02-20 21:55:58,434 INFO L290 TraceCheckUtils]: 93: Hoare triple {22963#true} assume { :end_inline__raw_spin_unlock } true; {22963#true} is VALID [2022-02-20 21:55:58,434 INFO L290 TraceCheckUtils]: 94: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,434 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {22963#true} {22964#false} #1239#return; {22964#false} is VALID [2022-02-20 21:55:58,434 INFO L290 TraceCheckUtils]: 96: Hoare triple {22964#false} call cisco_timer_#t~mem170#1 := read~int(cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, 4);call write~int(250 * cisco_timer_#t~mem170#1 % 4294967296 + ~jiffies~0, cisco_timer_~st~1#1.base, 24 + cisco_timer_~st~1#1.offset, 8);havoc cisco_timer_#t~mem170#1;call write~$Pointer$(#funAddr~cisco_timer.base, #funAddr~cisco_timer.offset, cisco_timer_~st~1#1.base, 40 + cisco_timer_~st~1#1.offset, 8);call write~int(cisco_timer_~arg#1, cisco_timer_~st~1#1.base, 48 + cisco_timer_~st~1#1.offset, 8); {22964#false} is VALID [2022-02-20 21:55:58,434 INFO L272 TraceCheckUtils]: 97: Hoare triple {22964#false} call add_timer(cisco_timer_~st~1#1.base, 8 + cisco_timer_~st~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 98: Hoare triple {22963#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {22963#true} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 99: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,435 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {22963#true} {22964#false} #1241#return; {22964#false} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 101: Hoare triple {22964#false} assume { :end_inline_cisco_timer } true; {22964#false} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 102: Hoare triple {22964#false} assume { :end_inline_##fun~int~TO~VOID } true;havoc choose_timer_1_#t~mem216#1;havoc choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;~LDV_IN_INTERRUPT~0 := 1;~ldv_timer_state_1~0 := 2; {22964#false} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 103: Hoare triple {22964#false} assume { :end_inline_choose_timer_1 } true; {22964#false} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 104: Hoare triple {22964#false} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:58,435 INFO L290 TraceCheckUtils]: 105: Hoare triple {22964#false} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 106: Hoare triple {22964#false} assume main_#t~switch226#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 107: Hoare triple {22964#false} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 108: Hoare triple {22964#false} assume !main_#t~switch228#1;main_#t~switch228#1 := main_#t~switch228#1 || 1 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 109: Hoare triple {22964#false} assume main_#t~switch228#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 110: Hoare triple {22964#false} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_mod_init } true;havoc mod_init_#res#1;assume { :begin_inline_register_hdlc_protocol } true;register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset;register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset := register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 111: Hoare triple {22964#false} assume { :end_inline_register_hdlc_protocol } true;mod_init_#res#1 := 0; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 112: Hoare triple {22964#false} main_#t~ret229#1 := mod_init_#res#1;assume { :end_inline_mod_init } true;assume -2147483648 <= main_#t~ret229#1 && main_#t~ret229#1 <= 2147483647;~ldv_retval_0~0 := main_#t~ret229#1;havoc main_#t~ret229#1; {22964#false} is VALID [2022-02-20 21:55:58,436 INFO L290 TraceCheckUtils]: 113: Hoare triple {22964#false} assume 0 == ~ldv_retval_0~0;~ldv_state_variable_0~0 := 3;~ldv_state_variable_2~0 := 1;~ldv_state_variable_3~0 := 1;assume { :begin_inline_ldv_initialize_hdlc_proto_3 } true;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset, ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset, ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,437 INFO L272 TraceCheckUtils]: 114: Hoare triple {22964#false} call ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset := ldv_zalloc(232); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,437 INFO L290 TraceCheckUtils]: 115: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,437 INFO L290 TraceCheckUtils]: 116: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,437 INFO L290 TraceCheckUtils]: 117: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,437 INFO L284 TraceCheckUtils]: 118: Hoare quadruple {22963#true} {22964#false} #1243#return; {22964#false} is VALID [2022-02-20 21:55:58,437 INFO L290 TraceCheckUtils]: 119: Hoare triple {22964#false} ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset := ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;~proto_group1~0.base, ~proto_group1~0.offset := ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,437 INFO L272 TraceCheckUtils]: 120: Hoare triple {22964#false} call ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset := ldv_zalloc(3264); {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:55:58,437 INFO L290 TraceCheckUtils]: 121: Hoare triple {23040#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 122: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 123: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:58,438 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {22963#true} {22964#false} #1245#return; {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 125: Hoare triple {22964#false} ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset := ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;~proto_group0~0.base, ~proto_group0~0.offset := ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 126: Hoare triple {22964#false} assume { :end_inline_ldv_initialize_hdlc_proto_3 } true; {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 127: Hoare triple {22964#false} assume !(0 != ~ldv_retval_0~0); {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 128: Hoare triple {22964#false} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 129: Hoare triple {22964#false} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:58,438 INFO L290 TraceCheckUtils]: 130: Hoare triple {22964#false} assume main_#t~switch226#1; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 131: Hoare triple {22964#false} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 132: Hoare triple {22964#false} assume main_#t~switch228#1; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 133: Hoare triple {22964#false} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 134: Hoare triple {22964#false} assume { :end_inline_unregister_hdlc_protocol } true; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 135: Hoare triple {22964#false} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 136: Hoare triple {22964#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 137: Hoare triple {22964#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {22964#false} is VALID [2022-02-20 21:55:58,439 INFO L290 TraceCheckUtils]: 138: Hoare triple {22964#false} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {22964#false} is VALID [2022-02-20 21:55:58,440 INFO L272 TraceCheckUtils]: 139: Hoare triple {22964#false} call ldv_error(); {22964#false} is VALID [2022-02-20 21:55:58,440 INFO L290 TraceCheckUtils]: 140: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-02-20 21:55:58,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:55:58,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451205324] [2022-02-20 21:55:58,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451205324] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:55:58,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527348369] [2022-02-20 21:55:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:55:58,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:55:58,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:55:58,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:55:58,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 21:55:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-20 21:55:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:55:58,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:55:59,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {22963#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {22963#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {22963#true} is VALID [2022-02-20 21:55:59,154 INFO L272 TraceCheckUtils]: 2: Hoare triple {22963#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {22963#true} is VALID [2022-02-20 21:55:59,154 INFO L290 TraceCheckUtils]: 3: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,154 INFO L290 TraceCheckUtils]: 4: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,154 INFO L290 TraceCheckUtils]: 5: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {22963#true} {22963#true} #1215#return; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L290 TraceCheckUtils]: 7: Hoare triple {22963#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L272 TraceCheckUtils]: 8: Hoare triple {22963#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L290 TraceCheckUtils]: 9: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L290 TraceCheckUtils]: 10: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L290 TraceCheckUtils]: 11: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,155 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {22963#true} {22963#true} #1217#return; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L290 TraceCheckUtils]: 13: Hoare triple {22963#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L272 TraceCheckUtils]: 14: Hoare triple {22963#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L290 TraceCheckUtils]: 15: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L290 TraceCheckUtils]: 16: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L290 TraceCheckUtils]: 17: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {22963#true} {22963#true} #1219#return; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L290 TraceCheckUtils]: 19: Hoare triple {22963#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,156 INFO L272 TraceCheckUtils]: 20: Hoare triple {22963#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 21: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 22: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 23: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {22963#true} {22963#true} #1221#return; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 25: Hoare triple {22963#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L272 TraceCheckUtils]: 26: Hoare triple {22963#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 27: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,157 INFO L290 TraceCheckUtils]: 28: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 29: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {22963#true} {22963#true} #1223#return; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 31: Hoare triple {22963#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 32: Hoare triple {22963#true} assume { :end_inline_ldv_set_init } true; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 33: Hoare triple {22963#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 34: Hoare triple {22963#true} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 35: Hoare triple {22963#true} assume main_#t~switch226#1; {22963#true} is VALID [2022-02-20 21:55:59,158 INFO L290 TraceCheckUtils]: 36: Hoare triple {22963#true} assume 0 != ~ldv_state_variable_1~0;assume { :begin_inline_choose_timer_1 } true;choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset := ~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset;havoc choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset, choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset;choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset := choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset;~LDV_IN_INTERRUPT~0 := 2;call choose_timer_1_#t~mem216#1 := read~int(choose_timer_1_~timer#1.base, 40 + choose_timer_1_~timer#1.offset, 8);call choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset := read~$Pointer$(choose_timer_1_~timer#1.base, 32 + choose_timer_1_~timer#1.offset, 8);assume { :begin_inline_##fun~int~TO~VOID } true;##fun~int~TO~VOID_#in~215#1, ##fun~int~TO~VOID_#in~#fp#1.base, ##fun~int~TO~VOID_#in~#fp#1.offset := choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;havoc ##fun~int~TO~VOID_#~215#1;##fun~int~TO~VOID_#~215#1 := ##fun~int~TO~VOID_#in~215#1;assume { :begin_inline_cisco_timer } true;cisco_timer_#in~arg#1 := ##fun~int~TO~VOID_#~215#1;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset, cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset, cisco_timer_#t~mem160#1, cisco_timer_#t~mem162#1, cisco_timer_#t~mem161#1, cisco_timer_#t~short163#1, cisco_timer_#t~nondet164#1, cisco_timer_#t~mem165#1, cisco_timer_#t~ret166#1, cisco_timer_#t~mem167#1, cisco_timer_#t~mem168#1, cisco_timer_#t~ret169#1, cisco_timer_#t~mem170#1, cisco_timer_~arg#1, cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset, cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset, cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset, cisco_timer_~tmp___1~6#1, cisco_timer_~tmp___2~2#1;cisco_timer_~arg#1 := cisco_timer_#in~arg#1;havoc cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset;havoc cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset;havoc cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset;havoc cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset;havoc cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset;havoc cisco_timer_~tmp___1~6#1;havoc cisco_timer_~tmp___2~2#1;cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset := 0, (if cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 else cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616); {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L272 TraceCheckUtils]: 37: Hoare triple {22963#true} call cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset := dev_to_hdlc(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L290 TraceCheckUtils]: 38: Hoare triple {22963#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;havoc ~tmp~12#1.base, ~tmp~12#1.offset;assume { :begin_inline_netdev_priv } true;netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset := ~dev#1.base, ~dev#1.offset;havoc netdev_priv_#res#1.base, netdev_priv_#res#1.offset;havoc netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset;netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset := netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset;netdev_priv_#res#1.base, netdev_priv_#res#1.offset := netdev_priv_~dev#1.base, 3264 + netdev_priv_~dev#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L290 TraceCheckUtils]: 39: Hoare triple {22963#true} #t~ret84#1.base, #t~ret84#1.offset := netdev_priv_#res#1.base, netdev_priv_#res#1.offset;assume { :end_inline_netdev_priv } true;~tmp~12#1.base, ~tmp~12#1.offset := #t~ret84#1.base, #t~ret84#1.offset;havoc #t~ret84#1.base, #t~ret84#1.offset;#res#1.base, #res#1.offset := ~tmp~12#1.base, ~tmp~12#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L290 TraceCheckUtils]: 40: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {22963#true} {22963#true} #1225#return; {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L290 TraceCheckUtils]: 42: Hoare triple {22963#true} cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset := cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset := cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L272 TraceCheckUtils]: 43: Hoare triple {22963#true} call cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset := state(cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:59,159 INFO L290 TraceCheckUtils]: 44: Hoare triple {22963#true} ~hdlc.base, ~hdlc.offset := #in~hdlc.base, #in~hdlc.offset;call #t~mem91.base, #t~mem91.offset := read~$Pointer$(~hdlc.base, 100 + ~hdlc.offset, 8);#res.base, #res.offset := #t~mem91.base, #t~mem91.offset;havoc #t~mem91.base, #t~mem91.offset; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L290 TraceCheckUtils]: 45: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {22963#true} {22963#true} #1227#return; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L290 TraceCheckUtils]: 47: Hoare triple {22963#true} cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset := cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;havoc cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset := cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L272 TraceCheckUtils]: 48: Hoare triple {22963#true} call spin_lock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L290 TraceCheckUtils]: 49: Hoare triple {22963#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_lock } true;_raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset;_raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset := _raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L290 TraceCheckUtils]: 50: Hoare triple {22963#true} assume { :end_inline__raw_spin_lock } true; {22963#true} is VALID [2022-02-20 21:55:59,160 INFO L290 TraceCheckUtils]: 51: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {22963#true} {22963#true} #1229#return; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 53: Hoare triple {22963#true} call cisco_timer_#t~mem160#1 := read~int(cisco_timer_~st~1#1.base, 208 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := 0 != cisco_timer_#t~mem160#1; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 54: Hoare triple {22963#true} assume cisco_timer_#t~short163#1;call cisco_timer_#t~mem162#1 := read~int(cisco_timer_~st~1#1.base, 200 + cisco_timer_~st~1#1.offset, 8);call cisco_timer_#t~mem161#1 := read~int(cisco_timer_~st~1#1.base, 4 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := (if (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 else (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 55: Hoare triple {22963#true} assume !cisco_timer_#t~short163#1;havoc cisco_timer_#t~mem160#1;havoc cisco_timer_#t~mem162#1;havoc cisco_timer_#t~mem161#1;havoc cisco_timer_#t~short163#1; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 56: Hoare triple {22963#true} call cisco_timer_#t~mem165#1 := read~int(cisco_timer_~st~1#1.base, 216 + cisco_timer_~st~1#1.offset, 4); {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L272 TraceCheckUtils]: 57: Hoare triple {22963#true} call cisco_timer_#t~ret166#1 := __fswab32(cisco_timer_#t~mem165#1); {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 58: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:59,161 INFO L290 TraceCheckUtils]: 59: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L290 TraceCheckUtils]: 60: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {22963#true} {22963#true} #1233#return; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L290 TraceCheckUtils]: 62: Hoare triple {22963#true} cisco_timer_~tmp___1~6#1 := cisco_timer_#t~ret166#1;havoc cisco_timer_#t~mem165#1;havoc cisco_timer_#t~ret166#1;call cisco_timer_#t~mem167#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);call write~int(1 + cisco_timer_#t~mem167#1, cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);havoc cisco_timer_#t~mem167#1;call cisco_timer_#t~mem168#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4); {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L272 TraceCheckUtils]: 63: Hoare triple {22963#true} call cisco_timer_#t~ret169#1 := __fswab32(cisco_timer_#t~mem168#1); {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L290 TraceCheckUtils]: 64: Hoare triple {22963#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L290 TraceCheckUtils]: 65: Hoare triple {22963#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L290 TraceCheckUtils]: 66: Hoare triple {22963#true} assume true; {22963#true} is VALID [2022-02-20 21:55:59,162 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {22963#true} {22963#true} #1235#return; {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L290 TraceCheckUtils]: 68: Hoare triple {22963#true} cisco_timer_~tmp___2~2#1 := cisco_timer_#t~ret169#1;havoc cisco_timer_#t~mem168#1;havoc cisco_timer_#t~ret169#1; {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L272 TraceCheckUtils]: 69: Hoare triple {22963#true} call cisco_keepalive_send(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, 2, cisco_timer_~tmp___2~2#1, cisco_timer_~tmp___1~6#1); {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L290 TraceCheckUtils]: 70: Hoare triple {22963#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;~type#1 := #in~type#1;~par1#1 := #in~par1#1;~par2#1 := #in~par2#1;havoc ~skb~0#1.base, ~skb~0#1.offset;havoc ~data~1#1.base, ~data~1#1.offset;havoc ~tmp~15#1;havoc ~tmp___0~8#1;assume { :begin_inline_ldv_dev_alloc_skb_12 } true;ldv_dev_alloc_skb_12_#in~length#1 := 22;havoc ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset, ldv_dev_alloc_skb_12_~length#1, ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset;ldv_dev_alloc_skb_12_~length#1 := ldv_dev_alloc_skb_12_#in~length#1;havoc ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L272 TraceCheckUtils]: 71: Hoare triple {22963#true} call ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset := ldv_skb_alloc(); {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L290 TraceCheckUtils]: 72: Hoare triple {22963#true} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L272 TraceCheckUtils]: 73: Hoare triple {22963#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {22963#true} is VALID [2022-02-20 21:55:59,163 INFO L290 TraceCheckUtils]: 74: Hoare triple {22963#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22963#true} is VALID [2022-02-20 21:55:59,164 INFO L290 TraceCheckUtils]: 75: Hoare triple {22963#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:59,164 INFO L290 TraceCheckUtils]: 76: Hoare triple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} assume true; {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} is VALID [2022-02-20 21:55:59,165 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {23062#(and (<= 0 |ldv_zalloc_#res#1.base|) (<= 0 |ldv_zalloc_#res#1.offset|) (<= |ldv_zalloc_#res#1.offset| 0) (<= |ldv_zalloc_#res#1.base| 0))} {22963#true} #1107#return; {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:55:59,166 INFO L290 TraceCheckUtils]: 78: Hoare triple {23060#(and (<= |ldv_skb_alloc_#t~ret248#1.base| 0) (<= |ldv_skb_alloc_#t~ret248#1.offset| 0) (< 0 (+ |ldv_skb_alloc_#t~ret248#1.offset| 1)) (< 0 (+ 1 |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 79: Hoare triple {23061#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (= |ldv_skb_alloc_~skb~1#1.base| 0))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 80: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 81: Hoare triple {22964#false} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 82: Hoare triple {22964#false} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 83: Hoare triple {22964#false} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 84: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22964#false} {22963#true} #1109#return; {22964#false} is VALID [2022-02-20 21:55:59,167 INFO L290 TraceCheckUtils]: 86: Hoare triple {22964#false} ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset := ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset := ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 87: Hoare triple {22964#false} #t~ret95#1.base, #t~ret95#1.offset := ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;assume { :end_inline_ldv_dev_alloc_skb_12 } true;~skb~0#1.base, ~skb~0#1.offset := #t~ret95#1.base, #t~ret95#1.offset;havoc #t~ret95#1.base, #t~ret95#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 88: Hoare triple {22964#false} assume 0 == (~skb~0#1.base + ~skb~0#1.offset) % 18446744073709551616;havoc #t~nondet96#1; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 89: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {22964#false} {22963#true} #1237#return; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L272 TraceCheckUtils]: 91: Hoare triple {22964#false} call spin_unlock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 92: Hoare triple {22964#false} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_unlock } true;_raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset;_raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset := _raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 93: Hoare triple {22964#false} assume { :end_inline__raw_spin_unlock } true; {22964#false} is VALID [2022-02-20 21:55:59,168 INFO L290 TraceCheckUtils]: 94: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {22964#false} {22964#false} #1239#return; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L290 TraceCheckUtils]: 96: Hoare triple {22964#false} call cisco_timer_#t~mem170#1 := read~int(cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, 4);call write~int(250 * cisco_timer_#t~mem170#1 % 4294967296 + ~jiffies~0, cisco_timer_~st~1#1.base, 24 + cisco_timer_~st~1#1.offset, 8);havoc cisco_timer_#t~mem170#1;call write~$Pointer$(#funAddr~cisco_timer.base, #funAddr~cisco_timer.offset, cisco_timer_~st~1#1.base, 40 + cisco_timer_~st~1#1.offset, 8);call write~int(cisco_timer_~arg#1, cisco_timer_~st~1#1.base, 48 + cisco_timer_~st~1#1.offset, 8); {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L272 TraceCheckUtils]: 97: Hoare triple {22964#false} call add_timer(cisco_timer_~st~1#1.base, 8 + cisco_timer_~st~1#1.offset); {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L290 TraceCheckUtils]: 98: Hoare triple {22964#false} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L290 TraceCheckUtils]: 99: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {22964#false} {22964#false} #1241#return; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L290 TraceCheckUtils]: 101: Hoare triple {22964#false} assume { :end_inline_cisco_timer } true; {22964#false} is VALID [2022-02-20 21:55:59,169 INFO L290 TraceCheckUtils]: 102: Hoare triple {22964#false} assume { :end_inline_##fun~int~TO~VOID } true;havoc choose_timer_1_#t~mem216#1;havoc choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;~LDV_IN_INTERRUPT~0 := 1;~ldv_timer_state_1~0 := 2; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 103: Hoare triple {22964#false} assume { :end_inline_choose_timer_1 } true; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 104: Hoare triple {22964#false} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 105: Hoare triple {22964#false} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 106: Hoare triple {22964#false} assume main_#t~switch226#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 107: Hoare triple {22964#false} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 108: Hoare triple {22964#false} assume !main_#t~switch228#1;main_#t~switch228#1 := main_#t~switch228#1 || 1 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 109: Hoare triple {22964#false} assume main_#t~switch228#1; {22964#false} is VALID [2022-02-20 21:55:59,170 INFO L290 TraceCheckUtils]: 110: Hoare triple {22964#false} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_mod_init } true;havoc mod_init_#res#1;assume { :begin_inline_register_hdlc_protocol } true;register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset;register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset := register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 111: Hoare triple {22964#false} assume { :end_inline_register_hdlc_protocol } true;mod_init_#res#1 := 0; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 112: Hoare triple {22964#false} main_#t~ret229#1 := mod_init_#res#1;assume { :end_inline_mod_init } true;assume -2147483648 <= main_#t~ret229#1 && main_#t~ret229#1 <= 2147483647;~ldv_retval_0~0 := main_#t~ret229#1;havoc main_#t~ret229#1; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 113: Hoare triple {22964#false} assume 0 == ~ldv_retval_0~0;~ldv_state_variable_0~0 := 3;~ldv_state_variable_2~0 := 1;~ldv_state_variable_3~0 := 1;assume { :begin_inline_ldv_initialize_hdlc_proto_3 } true;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset, ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset, ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L272 TraceCheckUtils]: 114: Hoare triple {22964#false} call ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset := ldv_zalloc(232); {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 115: Hoare triple {22964#false} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 116: Hoare triple {22964#false} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L290 TraceCheckUtils]: 117: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,171 INFO L284 TraceCheckUtils]: 118: Hoare quadruple {22964#false} {22964#false} #1243#return; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L290 TraceCheckUtils]: 119: Hoare triple {22964#false} ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset := ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;~proto_group1~0.base, ~proto_group1~0.offset := ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L272 TraceCheckUtils]: 120: Hoare triple {22964#false} call ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset := ldv_zalloc(3264); {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L290 TraceCheckUtils]: 121: Hoare triple {22964#false} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L290 TraceCheckUtils]: 122: Hoare triple {22964#false} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L290 TraceCheckUtils]: 123: Hoare triple {22964#false} assume true; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {22964#false} {22964#false} #1245#return; {22964#false} is VALID [2022-02-20 21:55:59,172 INFO L290 TraceCheckUtils]: 125: Hoare triple {22964#false} ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset := ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;~proto_group0~0.base, ~proto_group0~0.offset := ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 126: Hoare triple {22964#false} assume { :end_inline_ldv_initialize_hdlc_proto_3 } true; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 127: Hoare triple {22964#false} assume !(0 != ~ldv_retval_0~0); {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 128: Hoare triple {22964#false} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 129: Hoare triple {22964#false} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 130: Hoare triple {22964#false} assume main_#t~switch226#1; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 131: Hoare triple {22964#false} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 132: Hoare triple {22964#false} assume main_#t~switch228#1; {22964#false} is VALID [2022-02-20 21:55:59,173 INFO L290 TraceCheckUtils]: 133: Hoare triple {22964#false} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 134: Hoare triple {22964#false} assume { :end_inline_unregister_hdlc_protocol } true; {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 135: Hoare triple {22964#false} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2; {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 136: Hoare triple {22964#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 137: Hoare triple {22964#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 138: Hoare triple {22964#false} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L272 TraceCheckUtils]: 139: Hoare triple {22964#false} call ldv_error(); {22964#false} is VALID [2022-02-20 21:55:59,174 INFO L290 TraceCheckUtils]: 140: Hoare triple {22964#false} assume !false; {22964#false} is VALID [2022-02-20 21:55:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-20 21:55:59,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:55:59,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527348369] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:55:59,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:55:59,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2022-02-20 21:55:59,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900968465] [2022-02-20 21:55:59,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:55:59,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-02-20 21:55:59,177 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:55:59,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-02-20 21:55:59,273 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:55:59,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 21:55:59,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:55:59,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 21:55:59,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:55:59,274 INFO L87 Difference]: Start difference. First operand 1924 states and 2697 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-02-20 21:56:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:01,588 INFO L93 Difference]: Finished difference Result 3838 states and 5422 transitions. [2022-02-20 21:56:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:56:01,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-02-20 21:56:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:56:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-02-20 21:56:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1320 transitions. [2022-02-20 21:56:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-02-20 21:56:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1320 transitions. [2022-02-20 21:56:01,628 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1320 transitions. [2022-02-20 21:56:02,465 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1320 edges. 1320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:56:02,630 INFO L225 Difference]: With dead ends: 3838 [2022-02-20 21:56:02,631 INFO L226 Difference]: Without dead ends: 1928 [2022-02-20 21:56:02,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:56:02,641 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 2 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:56:02,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2627 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:56:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2022-02-20 21:56:02,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1924. [2022-02-20 21:56:02,688 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:56:02,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1928 states. Second operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) [2022-02-20 21:56:02,693 INFO L74 IsIncluded]: Start isIncluded. First operand 1928 states. Second operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) [2022-02-20 21:56:02,696 INFO L87 Difference]: Start difference. First operand 1928 states. Second operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) [2022-02-20 21:56:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:02,843 INFO L93 Difference]: Finished difference Result 1928 states and 2700 transitions. [2022-02-20 21:56:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2700 transitions. [2022-02-20 21:56:02,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:56:02,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:56:02,852 INFO L74 IsIncluded]: Start isIncluded. First operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) Second operand 1928 states. [2022-02-20 21:56:02,855 INFO L87 Difference]: Start difference. First operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) Second operand 1928 states. [2022-02-20 21:56:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:02,983 INFO L93 Difference]: Finished difference Result 1928 states and 2700 transitions. [2022-02-20 21:56:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2700 transitions. [2022-02-20 21:56:02,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:56:02,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:56:02,989 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:56:02,989 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:56:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) [2022-02-20 21:56:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2696 transitions. [2022-02-20 21:56:03,184 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2696 transitions. Word has length 141 [2022-02-20 21:56:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:56:03,185 INFO L470 AbstractCegarLoop]: Abstraction has 1924 states and 2696 transitions. [2022-02-20 21:56:03,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-02-20 21:56:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2696 transitions. [2022-02-20 21:56:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-20 21:56:03,193 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:56:03,194 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:56:03,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 21:56:03,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:56:03,413 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:56:03,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:56:03,414 INFO L85 PathProgramCache]: Analyzing trace with hash 568539780, now seen corresponding path program 1 times [2022-02-20 21:56:03,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:56:03,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530914547] [2022-02-20 21:56:03,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:56:03,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:56:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:56:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,587 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,587 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,587 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,588 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1215#return; {35245#true} is VALID [2022-02-20 21:56:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-20 21:56:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,593 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,593 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,593 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,593 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1217#return; {35245#true} is VALID [2022-02-20 21:56:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 21:56:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,598 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,599 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,599 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,599 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1219#return; {35245#true} is VALID [2022-02-20 21:56:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 21:56:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,604 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,604 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,604 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,604 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1221#return; {35245#true} is VALID [2022-02-20 21:56:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:56:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,608 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,608 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,608 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,609 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1223#return; {35245#true} is VALID [2022-02-20 21:56:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:56:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,613 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,613 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,613 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,613 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1243#return; {35245#true} is VALID [2022-02-20 21:56:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-02-20 21:56:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,618 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:03,618 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:03,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,618 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1245#return; {35245#true} is VALID [2022-02-20 21:56:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-02-20 21:56:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,622 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;havoc ~tmp~12#1.base, ~tmp~12#1.offset;assume { :begin_inline_netdev_priv } true;netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset := ~dev#1.base, ~dev#1.offset;havoc netdev_priv_#res#1.base, netdev_priv_#res#1.offset;havoc netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset;netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset := netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset;netdev_priv_#res#1.base, netdev_priv_#res#1.offset := netdev_priv_~dev#1.base, 3264 + netdev_priv_~dev#1.offset; {35245#true} is VALID [2022-02-20 21:56:03,622 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} #t~ret84#1.base, #t~ret84#1.offset := netdev_priv_#res#1.base, netdev_priv_#res#1.offset;assume { :end_inline_netdev_priv } true;~tmp~12#1.base, ~tmp~12#1.offset := #t~ret84#1.base, #t~ret84#1.offset;havoc #t~ret84#1.base, #t~ret84#1.offset;#res#1.base, #res#1.offset := ~tmp~12#1.base, ~tmp~12#1.offset; {35245#true} is VALID [2022-02-20 21:56:03,623 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,623 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1225#return; {35245#true} is VALID [2022-02-20 21:56:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-02-20 21:56:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,630 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~hdlc.base, ~hdlc.offset := #in~hdlc.base, #in~hdlc.offset;call #t~mem91.base, #t~mem91.offset := read~$Pointer$(~hdlc.base, 100 + ~hdlc.offset, 8);#res.base, #res.offset := #t~mem91.base, #t~mem91.offset;havoc #t~mem91.base, #t~mem91.offset; {35245#true} is VALID [2022-02-20 21:56:03,630 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,630 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35245#true} {35245#true} #1227#return; {35245#true} is VALID [2022-02-20 21:56:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-02-20 21:56:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,634 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_lock } true;_raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset;_raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset := _raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset; {35245#true} is VALID [2022-02-20 21:56:03,634 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume { :end_inline__raw_spin_lock } true; {35245#true} is VALID [2022-02-20 21:56:03,634 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,634 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1229#return; {35245#true} is VALID [2022-02-20 21:56:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-02-20 21:56:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,639 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {35245#true} is VALID [2022-02-20 21:56:03,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {35245#true} is VALID [2022-02-20 21:56:03,639 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,640 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1233#return; {35245#true} is VALID [2022-02-20 21:56:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-02-20 21:56:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,644 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {35245#true} is VALID [2022-02-20 21:56:03,644 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {35245#true} is VALID [2022-02-20 21:56:03,644 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:03,644 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35245#true} #1235#return; {35245#true} is VALID [2022-02-20 21:56:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-02-20 21:56:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:56:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:56:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 21:56:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:04,007 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~cond := #in~cond; {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:56:04,010 INFO L290 TraceCheckUtils]: 1: Hoare triple {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,010 INFO L290 TraceCheckUtils]: 2: Hoare triple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,012 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} #1211#return; {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} is VALID [2022-02-20 21:56:04,012 INFO L290 TraceCheckUtils]: 0: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,013 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume !(0 != ~tmp___0~6#1);call #t~malloc69#1.base, #t~malloc69#1.offset := #Ultimate.allocOnHeap(~size#1);assume { :begin_inline_#Ultimate.meminit } true;#Ultimate.meminit_#ptr#1.base, #Ultimate.meminit_#ptr#1.offset, #Ultimate.meminit_#amountOfFields#1, #Ultimate.meminit_#sizeOfFields#1, #Ultimate.meminit_#product#1 := #t~malloc69#1.base, #t~malloc69#1.offset, 1, ~size#1, ~size#1;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr#1.base); {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} is VALID [2022-02-20 21:56:04,014 INFO L290 TraceCheckUtils]: 2: Hoare triple {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} assume { :end_inline_#Ultimate.meminit } true;~tmp~7#1.base, ~tmp~7#1.offset := #t~malloc69#1.base, #t~malloc69#1.offset;~p~1#1.base, ~p~1#1.offset := ~tmp~7#1.base, ~tmp~7#1.offset; {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} is VALID [2022-02-20 21:56:04,014 INFO L272 TraceCheckUtils]: 3: Hoare triple {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} call assume_abort_if_not((if 0 != (~p~1#1.base + ~p~1#1.offset) % 18446744073709551616 then 1 else 0)); {35245#true} is VALID [2022-02-20 21:56:04,014 INFO L290 TraceCheckUtils]: 4: Hoare triple {35245#true} ~cond := #in~cond; {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:56:04,015 INFO L290 TraceCheckUtils]: 5: Hoare triple {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,015 INFO L290 TraceCheckUtils]: 6: Hoare triple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,016 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} #1211#return; {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} is VALID [2022-02-20 21:56:04,017 INFO L290 TraceCheckUtils]: 8: Hoare triple {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} #res#1.base, #res#1.offset := ~p~1#1.base, ~p~1#1.offset; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,017 INFO L290 TraceCheckUtils]: 9: Hoare triple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} assume true; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,018 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} {35245#true} #1107#return; {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:56:04,019 INFO L290 TraceCheckUtils]: 0: Hoare triple {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,019 INFO L272 TraceCheckUtils]: 1: Hoare triple {35245#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,019 INFO L290 TraceCheckUtils]: 2: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,020 INFO L290 TraceCheckUtils]: 3: Hoare triple {35245#true} assume !(0 != ~tmp___0~6#1);call #t~malloc69#1.base, #t~malloc69#1.offset := #Ultimate.allocOnHeap(~size#1);assume { :begin_inline_#Ultimate.meminit } true;#Ultimate.meminit_#ptr#1.base, #Ultimate.meminit_#ptr#1.offset, #Ultimate.meminit_#amountOfFields#1, #Ultimate.meminit_#sizeOfFields#1, #Ultimate.meminit_#product#1 := #t~malloc69#1.base, #t~malloc69#1.offset, 1, ~size#1, ~size#1;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr#1.base); {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} is VALID [2022-02-20 21:56:04,020 INFO L290 TraceCheckUtils]: 4: Hoare triple {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} assume { :end_inline_#Ultimate.meminit } true;~tmp~7#1.base, ~tmp~7#1.offset := #t~malloc69#1.base, #t~malloc69#1.offset;~p~1#1.base, ~p~1#1.offset := ~tmp~7#1.base, ~tmp~7#1.offset; {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} is VALID [2022-02-20 21:56:04,020 INFO L272 TraceCheckUtils]: 5: Hoare triple {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} call assume_abort_if_not((if 0 != (~p~1#1.base + ~p~1#1.offset) % 18446744073709551616 then 1 else 0)); {35245#true} is VALID [2022-02-20 21:56:04,021 INFO L290 TraceCheckUtils]: 6: Hoare triple {35245#true} ~cond := #in~cond; {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:56:04,021 INFO L290 TraceCheckUtils]: 7: Hoare triple {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,021 INFO L290 TraceCheckUtils]: 8: Hoare triple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,022 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} #1211#return; {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} is VALID [2022-02-20 21:56:04,023 INFO L290 TraceCheckUtils]: 10: Hoare triple {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} #res#1.base, #res#1.offset := ~p~1#1.base, ~p~1#1.offset; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,024 INFO L290 TraceCheckUtils]: 11: Hoare triple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} assume true; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,025 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} {35245#true} #1107#return; {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:56:04,025 INFO L290 TraceCheckUtils]: 13: Hoare triple {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,026 INFO L290 TraceCheckUtils]: 14: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,026 INFO L290 TraceCheckUtils]: 15: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !false; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,027 INFO L290 TraceCheckUtils]: 16: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,027 INFO L290 TraceCheckUtils]: 17: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,028 INFO L290 TraceCheckUtils]: 18: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,028 INFO L290 TraceCheckUtils]: 19: Hoare triple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} assume true; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,029 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} {35245#true} #1109#return; {35352#(and (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.offset| 0) (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base|) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,030 INFO L290 TraceCheckUtils]: 0: Hoare triple {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;~type#1 := #in~type#1;~par1#1 := #in~par1#1;~par2#1 := #in~par2#1;havoc ~skb~0#1.base, ~skb~0#1.offset;havoc ~data~1#1.base, ~data~1#1.offset;havoc ~tmp~15#1;havoc ~tmp___0~8#1;assume { :begin_inline_ldv_dev_alloc_skb_12 } true;ldv_dev_alloc_skb_12_#in~length#1 := 22;havoc ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset, ldv_dev_alloc_skb_12_~length#1, ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset;ldv_dev_alloc_skb_12_~length#1 := ldv_dev_alloc_skb_12_#in~length#1;havoc ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,030 INFO L272 TraceCheckUtils]: 1: Hoare triple {35245#true} call ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset := ldv_skb_alloc(); {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:56:04,031 INFO L290 TraceCheckUtils]: 2: Hoare triple {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,031 INFO L272 TraceCheckUtils]: 3: Hoare triple {35245#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,031 INFO L290 TraceCheckUtils]: 4: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,032 INFO L290 TraceCheckUtils]: 5: Hoare triple {35245#true} assume !(0 != ~tmp___0~6#1);call #t~malloc69#1.base, #t~malloc69#1.offset := #Ultimate.allocOnHeap(~size#1);assume { :begin_inline_#Ultimate.meminit } true;#Ultimate.meminit_#ptr#1.base, #Ultimate.meminit_#ptr#1.offset, #Ultimate.meminit_#amountOfFields#1, #Ultimate.meminit_#sizeOfFields#1, #Ultimate.meminit_#product#1 := #t~malloc69#1.base, #t~malloc69#1.offset, 1, ~size#1, ~size#1;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr#1.base); {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} is VALID [2022-02-20 21:56:04,032 INFO L290 TraceCheckUtils]: 6: Hoare triple {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} assume { :end_inline_#Ultimate.meminit } true;~tmp~7#1.base, ~tmp~7#1.offset := #t~malloc69#1.base, #t~malloc69#1.offset;~p~1#1.base, ~p~1#1.offset := ~tmp~7#1.base, ~tmp~7#1.offset; {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} is VALID [2022-02-20 21:56:04,032 INFO L272 TraceCheckUtils]: 7: Hoare triple {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} call assume_abort_if_not((if 0 != (~p~1#1.base + ~p~1#1.offset) % 18446744073709551616 then 1 else 0)); {35245#true} is VALID [2022-02-20 21:56:04,033 INFO L290 TraceCheckUtils]: 8: Hoare triple {35245#true} ~cond := #in~cond; {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:56:04,033 INFO L290 TraceCheckUtils]: 9: Hoare triple {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,033 INFO L290 TraceCheckUtils]: 10: Hoare triple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,034 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} #1211#return; {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} is VALID [2022-02-20 21:56:04,035 INFO L290 TraceCheckUtils]: 12: Hoare triple {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} #res#1.base, #res#1.offset := ~p~1#1.base, ~p~1#1.offset; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,035 INFO L290 TraceCheckUtils]: 13: Hoare triple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} assume true; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,036 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} {35245#true} #1107#return; {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:56:04,037 INFO L290 TraceCheckUtils]: 15: Hoare triple {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,038 INFO L290 TraceCheckUtils]: 16: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,038 INFO L290 TraceCheckUtils]: 17: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !false; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,039 INFO L290 TraceCheckUtils]: 18: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,039 INFO L290 TraceCheckUtils]: 19: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,040 INFO L290 TraceCheckUtils]: 20: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,040 INFO L290 TraceCheckUtils]: 21: Hoare triple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} assume true; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,041 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} {35245#true} #1109#return; {35352#(and (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.offset| 0) (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base|) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,042 INFO L290 TraceCheckUtils]: 23: Hoare triple {35352#(and (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.offset| 0) (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base|) 18446744073709551616)))))} ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset := ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset := ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {35353#(and (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base|) 18446744073709551616)))) (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,043 INFO L290 TraceCheckUtils]: 24: Hoare triple {35353#(and (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base|) 18446744073709551616)))) (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.offset| 0))} #t~ret95#1.base, #t~ret95#1.offset := ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;assume { :end_inline_ldv_dev_alloc_skb_12 } true;~skb~0#1.base, ~skb~0#1.offset := #t~ret95#1.base, #t~ret95#1.offset;havoc #t~ret95#1.base, #t~ret95#1.offset; {35354#(and (<= (+ (* 18446744073709551616 (div (+ |cisco_keepalive_send_~skb~0#1.base| |cisco_keepalive_send_~skb~0#1.offset|) 18446744073709551616)) 1) |cisco_keepalive_send_~skb~0#1.base|) (= |cisco_keepalive_send_~skb~0#1.offset| 0))} is VALID [2022-02-20 21:56:04,050 INFO L290 TraceCheckUtils]: 25: Hoare triple {35354#(and (<= (+ (* 18446744073709551616 (div (+ |cisco_keepalive_send_~skb~0#1.base| |cisco_keepalive_send_~skb~0#1.offset|) 18446744073709551616)) 1) |cisco_keepalive_send_~skb~0#1.base|) (= |cisco_keepalive_send_~skb~0#1.offset| 0))} assume 0 == (~skb~0#1.base + ~skb~0#1.offset) % 18446744073709551616;havoc #t~nondet96#1; {35246#false} is VALID [2022-02-20 21:56:04,050 INFO L290 TraceCheckUtils]: 26: Hoare triple {35246#false} assume true; {35246#false} is VALID [2022-02-20 21:56:04,051 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {35246#false} {35245#true} #1237#return; {35246#false} is VALID [2022-02-20 21:56:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-02-20 21:56:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:04,056 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_unlock } true;_raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset;_raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset := _raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume { :end_inline__raw_spin_unlock } true; {35245#true} is VALID [2022-02-20 21:56:04,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,056 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35245#true} {35246#false} #1239#return; {35246#false} is VALID [2022-02-20 21:56:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-02-20 21:56:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:04,061 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {35245#true} is VALID [2022-02-20 21:56:04,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,061 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35245#true} {35246#false} #1241#return; {35246#false} is VALID [2022-02-20 21:56:04,061 INFO L290 TraceCheckUtils]: 0: Hoare triple {35245#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(105, 2);call #Ultimate.allocInit(25, 3);call #Ultimate.allocInit(42, 4);call #Ultimate.allocInit(25, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(27, 7);call #Ultimate.allocInit(41, 8);call #Ultimate.allocInit(42, 9);call #Ultimate.allocInit(51, 10);call #Ultimate.allocInit(35, 11);call #Ultimate.allocInit(36, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(11, 14);call #Ultimate.allocInit(29, 15);~LDV_IN_INTERRUPT~0 := 1;~proto_group1~0.base, ~proto_group1~0.offset := 0, 0;~ldv_state_variable_0~0 := 0;~ldv_state_variable_3~0 := 0;~ldv_timer_state_1~0 := 0;~ldv_state_variable_2~0 := 0;~proto_group0~0.base, ~proto_group0~0.offset := 0, 0;~ref_cnt~0 := 0;~ldv_state_variable_1~0 := 0;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0, 0;~#proto~0.base, ~#proto~0.offset := 16, 0;call #Ultimate.allocInit(88, 16);call write~init~$Pointer$(0, 0, ~#proto~0.base, ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 8 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, 16 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, 24 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 32 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, 40 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, 48 + ~#proto~0.offset, 8);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, 56 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 64 + ~#proto~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, 72 + ~#proto~0.offset, 8);call write~init~$Pointer$(0, 0, ~#proto~0.base, 80 + ~#proto~0.offset, 8);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17, 0;call #Ultimate.allocInit(40, 17);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 8 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 16 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 24 + ~#cisco_header_ops~0.offset, 8);call write~init~$Pointer$(0, 0, ~#cisco_header_ops~0.base, 32 + ~#cisco_header_ops~0.offset, 8);~ldv_retval_0~0 := 0;~#set_impl~0.base, ~#set_impl~0.offset := 18, 0;call #Ultimate.allocInit(120, 18);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {35245#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {35245#true} is VALID [2022-02-20 21:56:04,062 INFO L272 TraceCheckUtils]: 2: Hoare triple {35245#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,062 INFO L290 TraceCheckUtils]: 3: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,062 INFO L290 TraceCheckUtils]: 4: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,062 INFO L290 TraceCheckUtils]: 5: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,062 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {35245#true} {35245#true} #1215#return; {35245#true} is VALID [2022-02-20 21:56:04,063 INFO L290 TraceCheckUtils]: 7: Hoare triple {35245#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {35245#true} is VALID [2022-02-20 21:56:04,063 INFO L272 TraceCheckUtils]: 8: Hoare triple {35245#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,063 INFO L290 TraceCheckUtils]: 9: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,063 INFO L290 TraceCheckUtils]: 10: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,063 INFO L290 TraceCheckUtils]: 11: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,064 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {35245#true} {35245#true} #1217#return; {35245#true} is VALID [2022-02-20 21:56:04,064 INFO L290 TraceCheckUtils]: 13: Hoare triple {35245#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,064 INFO L272 TraceCheckUtils]: 14: Hoare triple {35245#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,064 INFO L290 TraceCheckUtils]: 15: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,064 INFO L290 TraceCheckUtils]: 16: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,065 INFO L290 TraceCheckUtils]: 17: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,065 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {35245#true} {35245#true} #1219#return; {35245#true} is VALID [2022-02-20 21:56:04,065 INFO L290 TraceCheckUtils]: 19: Hoare triple {35245#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,065 INFO L272 TraceCheckUtils]: 20: Hoare triple {35245#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,065 INFO L290 TraceCheckUtils]: 21: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,066 INFO L290 TraceCheckUtils]: 22: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,066 INFO L290 TraceCheckUtils]: 23: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,066 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {35245#true} {35245#true} #1221#return; {35245#true} is VALID [2022-02-20 21:56:04,066 INFO L290 TraceCheckUtils]: 25: Hoare triple {35245#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L272 TraceCheckUtils]: 26: Hoare triple {35245#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 27: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 28: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 29: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {35245#true} {35245#true} #1223#return; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 31: Hoare triple {35245#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 32: Hoare triple {35245#true} assume { :end_inline_ldv_set_init } true; {35245#true} is VALID [2022-02-20 21:56:04,067 INFO L290 TraceCheckUtils]: 33: Hoare triple {35245#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1;~ref_cnt~0 := 0;~ldv_state_variable_0~0 := 1;~ldv_state_variable_3~0 := 0;~ldv_state_variable_2~0 := 0; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 34: Hoare triple {35245#true} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 35: Hoare triple {35245#true} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 36: Hoare triple {35245#true} assume main_#t~switch226#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 37: Hoare triple {35245#true} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 38: Hoare triple {35245#true} assume !main_#t~switch228#1;main_#t~switch228#1 := main_#t~switch228#1 || 1 == main_~tmp___7~2#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 39: Hoare triple {35245#true} assume main_#t~switch228#1; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 40: Hoare triple {35245#true} assume 1 == ~ldv_state_variable_0~0;assume { :begin_inline_mod_init } true;havoc mod_init_#res#1;assume { :begin_inline_register_hdlc_protocol } true;register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset;register_hdlc_protocol_~arg0#1.base, register_hdlc_protocol_~arg0#1.offset := register_hdlc_protocol_#in~arg0#1.base, register_hdlc_protocol_#in~arg0#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,068 INFO L290 TraceCheckUtils]: 41: Hoare triple {35245#true} assume { :end_inline_register_hdlc_protocol } true;mod_init_#res#1 := 0; {35245#true} is VALID [2022-02-20 21:56:04,069 INFO L290 TraceCheckUtils]: 42: Hoare triple {35245#true} main_#t~ret229#1 := mod_init_#res#1;assume { :end_inline_mod_init } true;assume -2147483648 <= main_#t~ret229#1 && main_#t~ret229#1 <= 2147483647;~ldv_retval_0~0 := main_#t~ret229#1;havoc main_#t~ret229#1; {35245#true} is VALID [2022-02-20 21:56:04,069 INFO L290 TraceCheckUtils]: 43: Hoare triple {35245#true} assume 0 == ~ldv_retval_0~0;~ldv_state_variable_0~0 := 3;~ldv_state_variable_2~0 := 1;~ldv_state_variable_3~0 := 1;assume { :begin_inline_ldv_initialize_hdlc_proto_3 } true;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset, ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset, ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset;havoc ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,069 INFO L272 TraceCheckUtils]: 44: Hoare triple {35245#true} call ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset := ldv_zalloc(232); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,069 INFO L290 TraceCheckUtils]: 45: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,069 INFO L290 TraceCheckUtils]: 46: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,070 INFO L290 TraceCheckUtils]: 47: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,070 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {35245#true} {35245#true} #1243#return; {35245#true} is VALID [2022-02-20 21:56:04,070 INFO L290 TraceCheckUtils]: 49: Hoare triple {35245#true} ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset := ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret212#1.base, ldv_initialize_hdlc_proto_3_#t~ret212#1.offset;~proto_group1~0.base, ~proto_group1~0.offset := ldv_initialize_hdlc_proto_3_~tmp~21#1.base, ldv_initialize_hdlc_proto_3_~tmp~21#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,070 INFO L272 TraceCheckUtils]: 50: Hoare triple {35245#true} call ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset := ldv_zalloc(3264); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,070 INFO L290 TraceCheckUtils]: 51: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 52: Hoare triple {35245#true} assume 0 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0, 0; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 53: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L284 TraceCheckUtils]: 54: Hoare quadruple {35245#true} {35245#true} #1245#return; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 55: Hoare triple {35245#true} ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset := ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;havoc ldv_initialize_hdlc_proto_3_#t~ret213#1.base, ldv_initialize_hdlc_proto_3_#t~ret213#1.offset;~proto_group0~0.base, ~proto_group0~0.offset := ldv_initialize_hdlc_proto_3_~tmp___0~14#1.base, ldv_initialize_hdlc_proto_3_~tmp___0~14#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 56: Hoare triple {35245#true} assume { :end_inline_ldv_initialize_hdlc_proto_3 } true; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 57: Hoare triple {35245#true} assume !(0 != ~ldv_retval_0~0); {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 58: Hoare triple {35245#true} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {35245#true} is VALID [2022-02-20 21:56:04,071 INFO L290 TraceCheckUtils]: 59: Hoare triple {35245#true} assume main_#t~switch226#1; {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L290 TraceCheckUtils]: 60: Hoare triple {35245#true} assume 0 != ~ldv_state_variable_1~0;assume { :begin_inline_choose_timer_1 } true;choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset := ~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset;havoc choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset, choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset;choose_timer_1_~timer#1.base, choose_timer_1_~timer#1.offset := choose_timer_1_#in~timer#1.base, choose_timer_1_#in~timer#1.offset;~LDV_IN_INTERRUPT~0 := 2;call choose_timer_1_#t~mem216#1 := read~int(choose_timer_1_~timer#1.base, 40 + choose_timer_1_~timer#1.offset, 8);call choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset := read~$Pointer$(choose_timer_1_~timer#1.base, 32 + choose_timer_1_~timer#1.offset, 8);assume { :begin_inline_##fun~int~TO~VOID } true;##fun~int~TO~VOID_#in~215#1, ##fun~int~TO~VOID_#in~#fp#1.base, ##fun~int~TO~VOID_#in~#fp#1.offset := choose_timer_1_#t~mem216#1, choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;havoc ##fun~int~TO~VOID_#~215#1;##fun~int~TO~VOID_#~215#1 := ##fun~int~TO~VOID_#in~215#1;assume { :begin_inline_cisco_timer } true;cisco_timer_#in~arg#1 := ##fun~int~TO~VOID_#~215#1;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset, cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset, cisco_timer_#t~mem160#1, cisco_timer_#t~mem162#1, cisco_timer_#t~mem161#1, cisco_timer_#t~short163#1, cisco_timer_#t~nondet164#1, cisco_timer_#t~mem165#1, cisco_timer_#t~ret166#1, cisco_timer_#t~mem167#1, cisco_timer_#t~mem168#1, cisco_timer_#t~ret169#1, cisco_timer_#t~mem170#1, cisco_timer_~arg#1, cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset, cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset, cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset, cisco_timer_~tmp___1~6#1, cisco_timer_~tmp___2~2#1;cisco_timer_~arg#1 := cisco_timer_#in~arg#1;havoc cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset;havoc cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset;havoc cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset;havoc cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset;havoc cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset;havoc cisco_timer_~tmp___1~6#1;havoc cisco_timer_~tmp___2~2#1;cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset := 0, (if cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 else cisco_timer_~arg#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616); {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L272 TraceCheckUtils]: 61: Hoare triple {35245#true} call cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset := dev_to_hdlc(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset); {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L290 TraceCheckUtils]: 62: Hoare triple {35245#true} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;havoc ~tmp~12#1.base, ~tmp~12#1.offset;assume { :begin_inline_netdev_priv } true;netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset := ~dev#1.base, ~dev#1.offset;havoc netdev_priv_#res#1.base, netdev_priv_#res#1.offset;havoc netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset;netdev_priv_~dev#1.base, netdev_priv_~dev#1.offset := netdev_priv_#in~dev#1.base, netdev_priv_#in~dev#1.offset;netdev_priv_#res#1.base, netdev_priv_#res#1.offset := netdev_priv_~dev#1.base, 3264 + netdev_priv_~dev#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L290 TraceCheckUtils]: 63: Hoare triple {35245#true} #t~ret84#1.base, #t~ret84#1.offset := netdev_priv_#res#1.base, netdev_priv_#res#1.offset;assume { :end_inline_netdev_priv } true;~tmp~12#1.base, ~tmp~12#1.offset := #t~ret84#1.base, #t~ret84#1.offset;havoc #t~ret84#1.base, #t~ret84#1.offset;#res#1.base, #res#1.offset := ~tmp~12#1.base, ~tmp~12#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L290 TraceCheckUtils]: 64: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {35245#true} {35245#true} #1225#return; {35245#true} is VALID [2022-02-20 21:56:04,072 INFO L290 TraceCheckUtils]: 66: Hoare triple {35245#true} cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset := cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;havoc cisco_timer_#t~ret158#1.base, cisco_timer_#t~ret158#1.offset;cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset := cisco_timer_~tmp~17#1.base, cisco_timer_~tmp~17#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L272 TraceCheckUtils]: 67: Hoare triple {35245#true} call cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset := state(cisco_timer_~hdlc~1#1.base, cisco_timer_~hdlc~1#1.offset); {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 68: Hoare triple {35245#true} ~hdlc.base, ~hdlc.offset := #in~hdlc.base, #in~hdlc.offset;call #t~mem91.base, #t~mem91.offset := read~$Pointer$(~hdlc.base, 100 + ~hdlc.offset, 8);#res.base, #res.offset := #t~mem91.base, #t~mem91.offset;havoc #t~mem91.base, #t~mem91.offset; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 69: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {35245#true} {35245#true} #1227#return; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 71: Hoare triple {35245#true} cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset := cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;havoc cisco_timer_#t~ret159#1.base, cisco_timer_#t~ret159#1.offset;cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset := cisco_timer_~tmp___0~10#1.base, cisco_timer_~tmp___0~10#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L272 TraceCheckUtils]: 72: Hoare triple {35245#true} call spin_lock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 73: Hoare triple {35245#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_lock } true;_raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset;_raw_spin_lock_~arg0#1.base, _raw_spin_lock_~arg0#1.offset := _raw_spin_lock_#in~arg0#1.base, _raw_spin_lock_#in~arg0#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 74: Hoare triple {35245#true} assume { :end_inline__raw_spin_lock } true; {35245#true} is VALID [2022-02-20 21:56:04,073 INFO L290 TraceCheckUtils]: 75: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {35245#true} {35245#true} #1229#return; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 77: Hoare triple {35245#true} call cisco_timer_#t~mem160#1 := read~int(cisco_timer_~st~1#1.base, 208 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := 0 != cisco_timer_#t~mem160#1; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 78: Hoare triple {35245#true} assume cisco_timer_#t~short163#1;call cisco_timer_#t~mem162#1 := read~int(cisco_timer_~st~1#1.base, 200 + cisco_timer_~st~1#1.offset, 8);call cisco_timer_#t~mem161#1 := read~int(cisco_timer_~st~1#1.base, 4 + cisco_timer_~st~1#1.offset, 4);cisco_timer_#t~short163#1 := (if (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 else (cisco_timer_#t~mem162#1 + 250 * cisco_timer_#t~mem161#1 % 4294967296 - ~jiffies~0) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 79: Hoare triple {35245#true} assume !cisco_timer_#t~short163#1;havoc cisco_timer_#t~mem160#1;havoc cisco_timer_#t~mem162#1;havoc cisco_timer_#t~mem161#1;havoc cisco_timer_#t~short163#1; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 80: Hoare triple {35245#true} call cisco_timer_#t~mem165#1 := read~int(cisco_timer_~st~1#1.base, 216 + cisco_timer_~st~1#1.offset, 4); {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L272 TraceCheckUtils]: 81: Hoare triple {35245#true} call cisco_timer_#t~ret166#1 := __fswab32(cisco_timer_#t~mem165#1); {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 82: Hoare triple {35245#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {35245#true} is VALID [2022-02-20 21:56:04,074 INFO L290 TraceCheckUtils]: 83: Hoare triple {35245#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L290 TraceCheckUtils]: 84: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {35245#true} {35245#true} #1233#return; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L290 TraceCheckUtils]: 86: Hoare triple {35245#true} cisco_timer_~tmp___1~6#1 := cisco_timer_#t~ret166#1;havoc cisco_timer_#t~mem165#1;havoc cisco_timer_#t~ret166#1;call cisco_timer_#t~mem167#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);call write~int(1 + cisco_timer_#t~mem167#1, cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4);havoc cisco_timer_#t~mem167#1;call cisco_timer_#t~mem168#1 := read~int(cisco_timer_~st~1#1.base, 212 + cisco_timer_~st~1#1.offset, 4); {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L272 TraceCheckUtils]: 87: Hoare triple {35245#true} call cisco_timer_#t~ret169#1 := __fswab32(cisco_timer_#t~mem168#1); {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L290 TraceCheckUtils]: 88: Hoare triple {35245#true} ~val#1 := #in~val#1;havoc ~tmp~0#1;assume { :begin_inline___arch_swab32 } true;__arch_swab32_#in~val#1 := ~val#1;havoc __arch_swab32_#res#1;havoc __arch_swab32_~val#1;__arch_swab32_~val#1 := __arch_swab32_#in~val#1;__arch_swab32_#res#1 := __arch_swab32_~val#1; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L290 TraceCheckUtils]: 89: Hoare triple {35245#true} #t~ret1#1 := __arch_swab32_#res#1;assume { :end_inline___arch_swab32 } true;~tmp~0#1 := #t~ret1#1;havoc #t~ret1#1;#res#1 := ~tmp~0#1; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L290 TraceCheckUtils]: 90: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,075 INFO L284 TraceCheckUtils]: 91: Hoare quadruple {35245#true} {35245#true} #1235#return; {35245#true} is VALID [2022-02-20 21:56:04,076 INFO L290 TraceCheckUtils]: 92: Hoare triple {35245#true} cisco_timer_~tmp___2~2#1 := cisco_timer_#t~ret169#1;havoc cisco_timer_#t~mem168#1;havoc cisco_timer_#t~ret169#1; {35245#true} is VALID [2022-02-20 21:56:04,077 INFO L272 TraceCheckUtils]: 93: Hoare triple {35245#true} call cisco_keepalive_send(cisco_timer_~dev~1#1.base, cisco_timer_~dev~1#1.offset, 2, cisco_timer_~tmp___2~2#1, cisco_timer_~tmp___1~6#1); {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:56:04,077 INFO L290 TraceCheckUtils]: 94: Hoare triple {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} ~dev#1.base, ~dev#1.offset := #in~dev#1.base, #in~dev#1.offset;~type#1 := #in~type#1;~par1#1 := #in~par1#1;~par2#1 := #in~par2#1;havoc ~skb~0#1.base, ~skb~0#1.offset;havoc ~data~1#1.base, ~data~1#1.offset;havoc ~tmp~15#1;havoc ~tmp___0~8#1;assume { :begin_inline_ldv_dev_alloc_skb_12 } true;ldv_dev_alloc_skb_12_#in~length#1 := 22;havoc ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset, ldv_dev_alloc_skb_12_~length#1, ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset;ldv_dev_alloc_skb_12_~length#1 := ldv_dev_alloc_skb_12_#in~length#1;havoc ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,077 INFO L272 TraceCheckUtils]: 95: Hoare triple {35245#true} call ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset := ldv_skb_alloc(); {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} is VALID [2022-02-20 21:56:04,078 INFO L290 TraceCheckUtils]: 96: Hoare triple {35330#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~last_index~0)| ~last_index~0))} havoc ~skb~1#1.base, ~skb~1#1.offset;havoc ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,078 INFO L272 TraceCheckUtils]: 97: Hoare triple {35245#true} call #t~ret248#1.base, #t~ret248#1.offset := ldv_zalloc(248); {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 21:56:04,078 INFO L290 TraceCheckUtils]: 98: Hoare triple {35329#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;assume -2147483648 <= #t~nondet68#1 && #t~nondet68#1 <= 2147483647;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {35245#true} is VALID [2022-02-20 21:56:04,079 INFO L290 TraceCheckUtils]: 99: Hoare triple {35245#true} assume !(0 != ~tmp___0~6#1);call #t~malloc69#1.base, #t~malloc69#1.offset := #Ultimate.allocOnHeap(~size#1);assume { :begin_inline_#Ultimate.meminit } true;#Ultimate.meminit_#ptr#1.base, #Ultimate.meminit_#ptr#1.offset, #Ultimate.meminit_#amountOfFields#1, #Ultimate.meminit_#sizeOfFields#1, #Ultimate.meminit_#product#1 := #t~malloc69#1.base, #t~malloc69#1.offset, 1, ~size#1, ~size#1;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr#1.base); {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} is VALID [2022-02-20 21:56:04,079 INFO L290 TraceCheckUtils]: 100: Hoare triple {35369#(= |ldv_zalloc_#t~malloc69#1.offset| 0)} assume { :end_inline_#Ultimate.meminit } true;~tmp~7#1.base, ~tmp~7#1.offset := #t~malloc69#1.base, #t~malloc69#1.offset;~p~1#1.base, ~p~1#1.offset := ~tmp~7#1.base, ~tmp~7#1.offset; {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} is VALID [2022-02-20 21:56:04,079 INFO L272 TraceCheckUtils]: 101: Hoare triple {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} call assume_abort_if_not((if 0 != (~p~1#1.base + ~p~1#1.offset) % 18446744073709551616 then 1 else 0)); {35245#true} is VALID [2022-02-20 21:56:04,080 INFO L290 TraceCheckUtils]: 102: Hoare triple {35245#true} ~cond := #in~cond; {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:56:04,080 INFO L290 TraceCheckUtils]: 103: Hoare triple {35377#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,080 INFO L290 TraceCheckUtils]: 104: Hoare triple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {35378#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-02-20 21:56:04,081 INFO L284 TraceCheckUtils]: 105: Hoare quadruple {35378#(not (= |assume_abort_if_not_#in~cond| 0))} {35370#(or (= |ldv_zalloc_~p~1#1.offset| 0) (= (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset| (* (- 18446744073709551616) (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616))) 0))} #1211#return; {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} is VALID [2022-02-20 21:56:04,082 INFO L290 TraceCheckUtils]: 106: Hoare triple {35375#(and (= |ldv_zalloc_~p~1#1.offset| 0) (< (* 18446744073709551616 (div (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|) 18446744073709551616)) (+ |ldv_zalloc_~p~1#1.base| |ldv_zalloc_~p~1#1.offset|)))} #res#1.base, #res#1.offset := ~p~1#1.base, ~p~1#1.offset; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,082 INFO L290 TraceCheckUtils]: 107: Hoare triple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} assume true; {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,084 INFO L284 TraceCheckUtils]: 108: Hoare quadruple {35376#(and (<= |ldv_zalloc_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |ldv_zalloc_#res#1.base|) 18446744073709551616)))) (= |ldv_zalloc_#res#1.offset| 0))} {35245#true} #1107#return; {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} is VALID [2022-02-20 21:56:04,084 INFO L290 TraceCheckUtils]: 109: Hoare triple {35366#(and (= |ldv_skb_alloc_#t~ret248#1.offset| 0) (<= 1 (+ (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#t~ret248#1.base|)) 18446744073709551616) 18446744073709551616) |ldv_skb_alloc_#t~ret248#1.base|)))} ~tmp___7~4#1.base, ~tmp___7~4#1.offset := #t~ret248#1.base, #t~ret248#1.offset;havoc #t~ret248#1.base, #t~ret248#1.offset;~skb~1#1.base, ~skb~1#1.offset := ~tmp___7~4#1.base, ~tmp___7~4#1.offset; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,085 INFO L290 TraceCheckUtils]: 110: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(~skb~1#1.base == 0 && ~skb~1#1.offset == 0);assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset, ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset, ~skb~1#1.base, ~skb~1#1.offset;havoc ldv_set_add_#t~mem243#1.base, ldv_set_add_#t~mem243#1.offset, ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset, ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ldv_set_add_~i~0#1;ldv_set_add_~set#1.base, ldv_set_add_~set#1.offset := ldv_set_add_#in~set#1.base, ldv_set_add_#in~set#1.offset;ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset := ldv_set_add_#in~e#1.base, ldv_set_add_#in~e#1.offset;havoc ldv_set_add_~i~0#1;ldv_set_add_~i~0#1 := 0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,085 INFO L290 TraceCheckUtils]: 111: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !false; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,086 INFO L290 TraceCheckUtils]: 112: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume !(ldv_set_add_~i~0#1 < ~last_index~0); {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,087 INFO L290 TraceCheckUtils]: 113: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume ~last_index~0 < 15;call write~$Pointer$(ldv_set_add_~e#1.base, ldv_set_add_~e#1.offset, ~#set_impl~0.base, ~#set_impl~0.offset + 8 * ~last_index~0, 8);~last_index~0 := 1 + ~last_index~0; {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} is VALID [2022-02-20 21:56:04,087 INFO L290 TraceCheckUtils]: 114: Hoare triple {35367#(and (= |ldv_skb_alloc_~skb~1#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_~skb~1#1.base| (* (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_~skb~1#1.base|)) 18446744073709551616) 18446744073709551616))))} assume { :end_inline_ldv_set_add } true;#res#1.base, #res#1.offset := ~skb~1#1.base, ~skb~1#1.offset; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,088 INFO L290 TraceCheckUtils]: 115: Hoare triple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} assume true; {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,089 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {35368#(and (= |ldv_skb_alloc_#res#1.offset| 0) (<= 1 (+ |ldv_skb_alloc_#res#1.base| (* 18446744073709551616 (div (+ 18446744073709551615 (* (- 1) |ldv_skb_alloc_#res#1.base|)) 18446744073709551616)))))} {35245#true} #1109#return; {35352#(and (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.offset| 0) (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base|) 18446744073709551616)))))} is VALID [2022-02-20 21:56:04,089 INFO L290 TraceCheckUtils]: 117: Hoare triple {35352#(and (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.offset| 0) (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#t~ret241#1.base|) 18446744073709551616)))))} ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset := ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;havoc ldv_dev_alloc_skb_12_#t~ret241#1.base, ldv_dev_alloc_skb_12_#t~ret241#1.offset;ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset := ldv_dev_alloc_skb_12_~tmp~23#1.base, ldv_dev_alloc_skb_12_~tmp~23#1.offset; {35353#(and (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base|) 18446744073709551616)))) (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.offset| 0))} is VALID [2022-02-20 21:56:04,090 INFO L290 TraceCheckUtils]: 118: Hoare triple {35353#(and (<= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base| (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.base|) 18446744073709551616)))) (= |cisco_keepalive_send_ldv_dev_alloc_skb_12_#res#1.offset| 0))} #t~ret95#1.base, #t~ret95#1.offset := ldv_dev_alloc_skb_12_#res#1.base, ldv_dev_alloc_skb_12_#res#1.offset;assume { :end_inline_ldv_dev_alloc_skb_12 } true;~skb~0#1.base, ~skb~0#1.offset := #t~ret95#1.base, #t~ret95#1.offset;havoc #t~ret95#1.base, #t~ret95#1.offset; {35354#(and (<= (+ (* 18446744073709551616 (div (+ |cisco_keepalive_send_~skb~0#1.base| |cisco_keepalive_send_~skb~0#1.offset|) 18446744073709551616)) 1) |cisco_keepalive_send_~skb~0#1.base|) (= |cisco_keepalive_send_~skb~0#1.offset| 0))} is VALID [2022-02-20 21:56:04,091 INFO L290 TraceCheckUtils]: 119: Hoare triple {35354#(and (<= (+ (* 18446744073709551616 (div (+ |cisco_keepalive_send_~skb~0#1.base| |cisco_keepalive_send_~skb~0#1.offset|) 18446744073709551616)) 1) |cisco_keepalive_send_~skb~0#1.base|) (= |cisco_keepalive_send_~skb~0#1.offset| 0))} assume 0 == (~skb~0#1.base + ~skb~0#1.offset) % 18446744073709551616;havoc #t~nondet96#1; {35246#false} is VALID [2022-02-20 21:56:04,091 INFO L290 TraceCheckUtils]: 120: Hoare triple {35246#false} assume true; {35246#false} is VALID [2022-02-20 21:56:04,091 INFO L284 TraceCheckUtils]: 121: Hoare quadruple {35246#false} {35245#true} #1237#return; {35246#false} is VALID [2022-02-20 21:56:04,091 INFO L272 TraceCheckUtils]: 122: Hoare triple {35246#false} call spin_unlock(cisco_timer_~st~1#1.base, 132 + cisco_timer_~st~1#1.offset); {35245#true} is VALID [2022-02-20 21:56:04,091 INFO L290 TraceCheckUtils]: 123: Hoare triple {35245#true} ~lock#1.base, ~lock#1.offset := #in~lock#1.base, #in~lock#1.offset;assume { :begin_inline__raw_spin_unlock } true;_raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset := ~lock#1.base, ~lock#1.offset;havoc _raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset;_raw_spin_unlock_~arg0#1.base, _raw_spin_unlock_~arg0#1.offset := _raw_spin_unlock_#in~arg0#1.base, _raw_spin_unlock_#in~arg0#1.offset; {35245#true} is VALID [2022-02-20 21:56:04,091 INFO L290 TraceCheckUtils]: 124: Hoare triple {35245#true} assume { :end_inline__raw_spin_unlock } true; {35245#true} is VALID [2022-02-20 21:56:04,091 INFO L290 TraceCheckUtils]: 125: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,091 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {35245#true} {35246#false} #1239#return; {35246#false} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 127: Hoare triple {35246#false} call cisco_timer_#t~mem170#1 := read~int(cisco_timer_~st~1#1.base, cisco_timer_~st~1#1.offset, 4);call write~int(250 * cisco_timer_#t~mem170#1 % 4294967296 + ~jiffies~0, cisco_timer_~st~1#1.base, 24 + cisco_timer_~st~1#1.offset, 8);havoc cisco_timer_#t~mem170#1;call write~$Pointer$(#funAddr~cisco_timer.base, #funAddr~cisco_timer.offset, cisco_timer_~st~1#1.base, 40 + cisco_timer_~st~1#1.offset, 8);call write~int(cisco_timer_~arg#1, cisco_timer_~st~1#1.base, 48 + cisco_timer_~st~1#1.offset, 8); {35246#false} is VALID [2022-02-20 21:56:04,092 INFO L272 TraceCheckUtils]: 128: Hoare triple {35246#false} call add_timer(cisco_timer_~st~1#1.base, 8 + cisco_timer_~st~1#1.offset); {35245#true} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 129: Hoare triple {35245#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {35245#true} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 130: Hoare triple {35245#true} assume true; {35245#true} is VALID [2022-02-20 21:56:04,092 INFO L284 TraceCheckUtils]: 131: Hoare quadruple {35245#true} {35246#false} #1241#return; {35246#false} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 132: Hoare triple {35246#false} assume { :end_inline_cisco_timer } true; {35246#false} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 133: Hoare triple {35246#false} assume { :end_inline_##fun~int~TO~VOID } true;havoc choose_timer_1_#t~mem216#1;havoc choose_timer_1_#t~mem217#1.base, choose_timer_1_#t~mem217#1.offset;~LDV_IN_INTERRUPT~0 := 1;~ldv_timer_state_1~0 := 2; {35246#false} is VALID [2022-02-20 21:56:04,092 INFO L290 TraceCheckUtils]: 134: Hoare triple {35246#false} assume { :end_inline_choose_timer_1 } true; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 135: Hoare triple {35246#false} assume -2147483648 <= main_#t~nondet225#1 && main_#t~nondet225#1 <= 2147483647;main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0 == main_~tmp___6~1#1; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 136: Hoare triple {35246#false} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1 == main_~tmp___6~1#1; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 137: Hoare triple {35246#false} assume main_#t~switch226#1; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 138: Hoare triple {35246#false} assume 0 != ~ldv_state_variable_0~0;assume -2147483648 <= main_#t~nondet227#1 && main_#t~nondet227#1 <= 2147483647;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0 == main_~tmp___7~2#1; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 139: Hoare triple {35246#false} assume main_#t~switch228#1; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 140: Hoare triple {35246#false} assume 3 == ~ldv_state_variable_0~0 && 0 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 141: Hoare triple {35246#false} assume { :end_inline_unregister_hdlc_protocol } true; {35246#false} is VALID [2022-02-20 21:56:04,093 INFO L290 TraceCheckUtils]: 142: Hoare triple {35246#false} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2; {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L290 TraceCheckUtils]: 143: Hoare triple {35246#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0 == ~last_index~0 then 1 else 0); {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L290 TraceCheckUtils]: 144: Hoare triple {35246#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;assume -2147483648 <= ldv_check_final_state_#t~ret252#1 && ldv_check_final_state_#t~ret252#1 <= 2147483647;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L290 TraceCheckUtils]: 145: Hoare triple {35246#false} assume !(0 != ldv_check_final_state_~tmp___7~8#1); {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L272 TraceCheckUtils]: 146: Hoare triple {35246#false} call ldv_error(); {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L290 TraceCheckUtils]: 147: Hoare triple {35246#false} assume !false; {35246#false} is VALID [2022-02-20 21:56:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-02-20 21:56:04,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:56:04,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530914547] [2022-02-20 21:56:04,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530914547] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:56:04,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:56:04,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-20 21:56:04,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219697627] [2022-02-20 21:56:04,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:56:04,096 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2022-02-20 21:56:04,096 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:56:04,096 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-02-20 21:56:04,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:56:04,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-20 21:56:04,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:56:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-20 21:56:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-02-20 21:56:04,183 INFO L87 Difference]: Start difference. First operand 1924 states and 2696 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-02-20 21:56:14,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:14,773 INFO L93 Difference]: Finished difference Result 3994 states and 5630 transitions. [2022-02-20 21:56:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 21:56:14,774 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2022-02-20 21:56:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:56:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-02-20 21:56:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1408 transitions. [2022-02-20 21:56:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-02-20 21:56:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1408 transitions. [2022-02-20 21:56:14,802 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 1408 transitions. [2022-02-20 21:56:15,520 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1408 edges. 1408 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:56:15,744 INFO L225 Difference]: With dead ends: 3994 [2022-02-20 21:56:15,745 INFO L226 Difference]: Without dead ends: 2084 [2022-02-20 21:56:15,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2022-02-20 21:56:15,750 INFO L933 BasicCegarLoop]: 620 mSDtfsCounter, 273 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:56:15,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 6277 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-20 21:56:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-02-20 21:56:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1954. [2022-02-20 21:56:15,857 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:56:15,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2084 states. Second operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) [2022-02-20 21:56:15,863 INFO L74 IsIncluded]: Start isIncluded. First operand 2084 states. Second operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) [2022-02-20 21:56:15,865 INFO L87 Difference]: Start difference. First operand 2084 states. Second operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) [2022-02-20 21:56:16,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:16,025 INFO L93 Difference]: Finished difference Result 2084 states and 2922 transitions. [2022-02-20 21:56:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2922 transitions. [2022-02-20 21:56:16,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:56:16,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:56:16,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) Second operand 2084 states. [2022-02-20 21:56:16,040 INFO L87 Difference]: Start difference. First operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) Second operand 2084 states. [2022-02-20 21:56:16,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:56:16,200 INFO L93 Difference]: Finished difference Result 2084 states and 2922 transitions. [2022-02-20 21:56:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2922 transitions. [2022-02-20 21:56:16,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:56:16,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:56:16,205 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:56:16,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:56:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) [2022-02-20 21:56:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2728 transitions. [2022-02-20 21:56:16,439 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2728 transitions. Word has length 148 [2022-02-20 21:56:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:56:16,439 INFO L470 AbstractCegarLoop]: Abstraction has 1954 states and 2728 transitions. [2022-02-20 21:56:16,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-02-20 21:56:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2728 transitions. [2022-02-20 21:56:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-02-20 21:56:16,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:56:16,444 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:56:16,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 21:56:16,444 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:56:16,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:56:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash -799997024, now seen corresponding path program 1 times [2022-02-20 21:56:16,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:56:16,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499754603] [2022-02-20 21:56:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:56:16,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:56:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 21:56:16,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 21:56:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 21:56:17,186 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 21:56:17,186 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 21:56:17,187 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 21:56:17,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 21:56:17,190 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-20 21:56:17,192 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 21:56:17,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-02-20 21:56:17,307 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call #t~ret218 := ldv_zalloc(40); [2022-02-20 21:56:17,308 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: callstack broken after backtranslation by InlinerBacktranslator at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:607) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2022-02-20 21:56:17,314 INFO L158 Benchmark]: Toolchain (without parser) took 40035.30ms. Allocated memory was 113.2MB in the beginning and 633.3MB in the end (delta: 520.1MB). Free memory was 77.6MB in the beginning and 373.5MB in the end (delta: -295.9MB). Peak memory consumption was 223.4MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,314 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 21:56:17,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.48ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 77.3MB in the beginning and 73.9MB in the end (delta: 3.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.65ms. Allocated memory is still 163.6MB. Free memory was 73.9MB in the beginning and 112.1MB in the end (delta: -38.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,315 INFO L158 Benchmark]: Boogie Preprocessor took 110.21ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 100.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,315 INFO L158 Benchmark]: RCFGBuilder took 1323.88ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 100.8MB in the beginning and 166.9MB in the end (delta: -66.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,316 INFO L158 Benchmark]: TraceAbstraction took 37438.67ms. Allocated memory was 243.3MB in the beginning and 633.3MB in the end (delta: 390.1MB). Free memory was 165.8MB in the beginning and 373.5MB in the end (delta: -207.7MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2022-02-20 21:56:17,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.48ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 77.3MB in the beginning and 73.9MB in the end (delta: 3.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.65ms. Allocated memory is still 163.6MB. Free memory was 73.9MB in the beginning and 112.1MB in the end (delta: -38.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.21ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 100.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1323.88ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 100.8MB in the beginning and 166.9MB in the end (delta: -66.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37438.67ms. Allocated memory was 243.3MB in the beginning and 633.3MB in the end (delta: 390.1MB). Free memory was 165.8MB in the beginning and 373.5MB in the end (delta: -207.7MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: callstack broken after backtranslation by InlinerBacktranslator: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 21:56:17,356 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 -ea -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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.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 aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:56:19,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:56:19,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:56:19,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:56:19,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:56:19,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:56:19,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:56:19,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:56:19,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:56:19,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:56:19,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:56:19,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:56:19,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:56:19,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:56:19,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:56:19,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:56:19,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:56:19,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:56:19,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:56:19,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:56:19,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:56:19,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:56:19,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:56:19,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:56:19,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:56:19,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:56:19,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:56:19,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:56:19,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:56:19,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:56:19,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:56:19,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:56:19,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:56:19,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:56:19,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:56:19,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:56:19,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:56:19,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:56:19,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:56:19,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:56:19,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:56:19,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-02-20 21:56:19,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:56:19,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:56:19,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:56:19,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:56:19,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:56:19,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:56:19,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:56:19,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:56:19,190 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:56:19,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:56:19,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:56:19,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 21:56:19,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:56:19,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:56:19,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:56:19,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:56:19,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:56:19,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:56:19,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:56:19,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:56:19,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:56:19,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:56:19,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 21:56:19,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-02-20 21:56:19,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:56:19,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:56:19,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:56:19,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:56:19,587 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:56:19,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:56:19,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a692a28/8afa2f2ddf734e338d5a4bfcc23bea3b/FLAGf63e99b9a [2022-02-20 21:56:20,231 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:56:20,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:56:20,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a692a28/8afa2f2ddf734e338d5a4bfcc23bea3b/FLAGf63e99b9a [2022-02-20 21:56:20,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a692a28/8afa2f2ddf734e338d5a4bfcc23bea3b [2022-02-20 21:56:20,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:56:20,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:56:20,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:56:20,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:56:20,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:56:20,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:56:20" (1/1) ... [2022-02-20 21:56:20,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e83eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:20, skipping insertion in model container [2022-02-20 21:56:20,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:56:20" (1/1) ... [2022-02-20 21:56:20,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:56:20,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:56:21,347 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-02-20 21:56:21,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:56:21,594 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-02-20 21:56:21,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:56:21,727 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-02-20 21:56:21,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:56:21,806 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:56:21,964 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-02-20 21:56:22,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:56:22,084 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:56:22,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22 WrapperNode [2022-02-20 21:56:22,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:56:22,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:56:22,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:56:22,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:56:22,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,213 INFO L137 Inliner]: procedures = 158, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1390 [2022-02-20 21:56:22,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:56:22,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:56:22,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:56:22,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:56:22,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:56:22,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:56:22,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:56:22,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:56:22,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (1/1) ... [2022-02-20 21:56:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:56:22,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:56:22,400 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) [2022-02-20 21:56:22,403 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 [2022-02-20 21:56:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-02-20 21:56:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 21:56:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-02-20 21:56:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-02-20 21:56:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-02-20 21:56:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-02-20 21:56:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-02-20 21:56:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-02-20 21:56:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-02-20 21:56:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-02-20 21:56:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-02-20 21:56:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-02-20 21:56:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-02-20 21:56:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-02-20 21:56:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-02-20 21:56:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-02-20 21:56:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-02-20 21:56:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-02-20 21:56:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-02-20 21:56:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-02-20 21:56:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-02-20 21:56:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-02-20 21:56:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-02-20 21:56:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-02-20 21:56:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-02-20 21:56:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-02-20 21:56:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-02-20 21:56:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-02-20 21:56:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-02-20 21:56:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-02-20 21:56:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-02-20 21:56:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-02-20 21:56:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:56:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:56:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:56:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-02-20 21:56:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-02-20 21:56:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-02-20 21:56:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-02-20 21:56:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-02-20 21:56:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-02-20 21:56:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:56:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:56:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:56:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-02-20 21:56:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-02-20 21:56:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-02-20 21:56:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-02-20 21:56:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-02-20 21:56:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-02-20 21:56:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-02-20 21:56:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-02-20 21:56:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-02-20 21:56:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-02-20 21:56:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:56:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 21:56:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 21:56:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 21:56:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 21:56:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-02-20 21:56:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-02-20 21:56:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-02-20 21:56:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 21:56:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-02-20 21:56:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-02-20 21:56:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-02-20 21:56:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-02-20 21:56:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-02-20 21:56:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-02-20 21:56:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 21:56:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 21:56:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 21:56:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 21:56:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-02-20 21:56:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-02-20 21:56:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-02-20 21:56:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-02-20 21:56:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-02-20 21:56:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-02-20 21:56:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-02-20 21:56:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:56:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:56:22,753 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:56:22,754 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:56:22,809 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-02-20 21:56:31,093 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:56:31,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:56:31,108 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 21:56:31,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:56:31 BoogieIcfgContainer [2022-02-20 21:56:31,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:56:31,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:56:31,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:56:31,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:56:31,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:56:20" (1/3) ... [2022-02-20 21:56:31,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3212d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:56:31, skipping insertion in model container [2022-02-20 21:56:31,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:56:22" (2/3) ... [2022-02-20 21:56:31,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3212d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:56:31, skipping insertion in model container [2022-02-20 21:56:31,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:56:31" (3/3) ... [2022-02-20 21:56:31,115 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-02-20 21:56:31,128 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:56:31,130 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:56:31,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:56:31,180 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 21:56:31,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:56:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-02-20 21:56:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-20 21:56:31,233 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:56:31,234 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:56:31,235 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:56:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:56:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash -796223239, now seen corresponding path program 1 times [2022-02-20 21:56:31,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:56:31,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593022310] [2022-02-20 21:56:31,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:56:31,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:56:31,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:56:31,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:56:31,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 21:56:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:31,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 21:56:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:56:31,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:56:31,796 INFO L290 TraceCheckUtils]: 0: Hoare triple {491#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(105bv64, 2bv64);call #Ultimate.allocInit(25bv64, 3bv64);call #Ultimate.allocInit(42bv64, 4bv64);call #Ultimate.allocInit(25bv64, 5bv64);call #Ultimate.allocInit(44bv64, 6bv64);call #Ultimate.allocInit(27bv64, 7bv64);call #Ultimate.allocInit(41bv64, 8bv64);call #Ultimate.allocInit(42bv64, 9bv64);call #Ultimate.allocInit(51bv64, 10bv64);call #Ultimate.allocInit(35bv64, 11bv64);call #Ultimate.allocInit(36bv64, 12bv64);call #Ultimate.allocInit(25bv64, 13bv64);call #Ultimate.allocInit(11bv64, 14bv64);call #Ultimate.allocInit(29bv64, 15bv64);~LDV_IN_INTERRUPT~0 := 1bv32;~proto_group1~0.base, ~proto_group1~0.offset := 0bv64, 0bv64;~ldv_state_variable_0~0 := 0bv32;~ldv_state_variable_3~0 := 0bv32;~ldv_timer_state_1~0 := 0bv32;~ldv_state_variable_2~0 := 0bv32;~proto_group0~0.base, ~proto_group0~0.offset := 0bv64, 0bv64;~ref_cnt~0 := 0bv32;~ldv_state_variable_1~0 := 0bv32;~ldv_timer_list_1~0.base, ~ldv_timer_list_1~0.offset := 0bv64, 0bv64;~#proto~0.base, ~#proto~0.offset := 16bv64, 0bv64;call #Ultimate.allocInit(88bv64, 16bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#proto~0.base, ~#proto~0.offset, 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#proto~0.base, ~bvadd64(8bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~cisco_start.base, #funAddr~cisco_start.offset, ~#proto~0.base, ~bvadd64(16bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~cisco_stop.base, #funAddr~cisco_stop.offset, ~#proto~0.base, ~bvadd64(24bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#proto~0.base, ~bvadd64(32bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~cisco_ioctl.base, #funAddr~cisco_ioctl.offset, ~#proto~0.base, ~bvadd64(40bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~cisco_type_trans.base, #funAddr~cisco_type_trans.offset, ~#proto~0.base, ~bvadd64(48bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~cisco_rx.base, #funAddr~cisco_rx.offset, ~#proto~0.base, ~bvadd64(56bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#proto~0.base, ~bvadd64(64bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#proto~0.base, ~bvadd64(72bv64, ~#proto~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#proto~0.base, ~bvadd64(80bv64, ~#proto~0.offset), 8bv64);~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset := 17bv64, 0bv64;call #Ultimate.allocInit(40bv64, 17bv64);call write~init~$Pointer$(#funAddr~cisco_hard_header.base, #funAddr~cisco_hard_header.offset, ~#cisco_header_ops~0.base, ~#cisco_header_ops~0.offset, 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#cisco_header_ops~0.base, ~bvadd64(8bv64, ~#cisco_header_ops~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#cisco_header_ops~0.base, ~bvadd64(16bv64, ~#cisco_header_ops~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#cisco_header_ops~0.base, ~bvadd64(24bv64, ~#cisco_header_ops~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#cisco_header_ops~0.base, ~bvadd64(32bv64, ~#cisco_header_ops~0.offset), 8bv64);~ldv_retval_0~0 := 0bv32;~#set_impl~0.base, ~#set_impl~0.offset := 18bv64, 0bv64;call #Ultimate.allocInit(120bv64, 18bv64);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#set_impl~0.base);~last_index~0 := 0bv32;~LDV_SKBS~0.base, ~LDV_SKBS~0.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,796 INFO L290 TraceCheckUtils]: 1: Hoare triple {491#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~ret221#1.base, main_#t~ret221#1.offset, main_#t~ret222#1.base, main_#t~ret222#1.offset, main_#t~ret223#1.base, main_#t~ret223#1.offset, main_#t~ret224#1.base, main_#t~ret224#1.offset, main_#t~nondet225#1, main_#t~switch226#1, main_#t~nondet227#1, main_#t~switch228#1, main_#t~ret229#1, main_#t~nondet230#1, main_#t~switch231#1, main_#t~ret232#1, main_#t~ret233#1, main_#t~ret234#1, main_#t~ret235#1, main_#t~ret236#1, main_#t~ret237#1, main_#t~nondet238#1, main_#t~switch239#1, main_#t~ret240#1, main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset, main_~tmp~22#1.base, main_~tmp~22#1.offset, main_~ldvarg1~0#1, main_~tmp___0~15#1, main_~ldvarg4~0#1, main_~tmp___1~10#1, main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset, main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset, main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset, main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset, main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset, main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset, main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset, main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset, main_~tmp___6~1#1, main_~tmp___7~2#1, main_~tmp___8~1#1, main_~tmp___9~1#1;havoc main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset;havoc main_~tmp~22#1.base, main_~tmp~22#1.offset;havoc main_~ldvarg1~0#1;havoc main_~tmp___0~15#1;havoc main_~ldvarg4~0#1;havoc main_~tmp___1~10#1;havoc main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset;havoc main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset;havoc main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset;havoc main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset;havoc main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset;havoc main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset;havoc main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset;havoc main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;havoc main_~tmp___6~1#1;havoc main_~tmp___7~2#1;havoc main_~tmp___8~1#1;havoc main_~tmp___9~1#1; {491#true} is VALID [2022-02-20 21:56:31,796 INFO L272 TraceCheckUtils]: 2: Hoare triple {491#true} call main_#t~ret218#1.base, main_#t~ret218#1.offset := ldv_zalloc(40bv64); {491#true} is VALID [2022-02-20 21:56:31,796 INFO L290 TraceCheckUtils]: 3: Hoare triple {491#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L290 TraceCheckUtils]: 4: Hoare triple {491#true} assume 0bv32 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L290 TraceCheckUtils]: 5: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {491#true} {491#true} #1215#return; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L290 TraceCheckUtils]: 7: Hoare triple {491#true} main_~tmp~22#1.base, main_~tmp~22#1.offset := main_#t~ret218#1.base, main_#t~ret218#1.offset;havoc main_#t~ret218#1.base, main_#t~ret218#1.offset;main_~ldvarg0~0#1.base, main_~ldvarg0~0#1.offset := main_~tmp~22#1.base, main_~tmp~22#1.offset;main_~tmp___0~15#1 := main_#t~nondet219#1;havoc main_#t~nondet219#1;main_~ldvarg1~0#1 := main_~tmp___0~15#1;main_~tmp___1~10#1 := main_#t~nondet220#1;havoc main_#t~nondet220#1;main_~ldvarg4~0#1 := main_~tmp___1~10#1; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L272 TraceCheckUtils]: 8: Hoare triple {491#true} call main_#t~ret221#1.base, main_#t~ret221#1.offset := ldv_zalloc(232bv64); {491#true} is VALID [2022-02-20 21:56:31,797 INFO L290 TraceCheckUtils]: 9: Hoare triple {491#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:56:31,797 INFO L290 TraceCheckUtils]: 10: Hoare triple {491#true} assume 0bv32 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,798 INFO L290 TraceCheckUtils]: 11: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:56:31,798 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {491#true} {491#true} #1217#return; {491#true} is VALID [2022-02-20 21:56:31,798 INFO L290 TraceCheckUtils]: 13: Hoare triple {491#true} main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset := main_#t~ret221#1.base, main_#t~ret221#1.offset;havoc main_#t~ret221#1.base, main_#t~ret221#1.offset;main_~ldvarg3~0#1.base, main_~ldvarg3~0#1.offset := main_~tmp___2~5#1.base, main_~tmp___2~5#1.offset; {491#true} is VALID [2022-02-20 21:56:31,798 INFO L272 TraceCheckUtils]: 14: Hoare triple {491#true} call main_#t~ret222#1.base, main_#t~ret222#1.offset := ldv_zalloc(3264bv64); {491#true} is VALID [2022-02-20 21:56:31,798 INFO L290 TraceCheckUtils]: 15: Hoare triple {491#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:56:31,798 INFO L290 TraceCheckUtils]: 16: Hoare triple {491#true} assume 0bv32 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L290 TraceCheckUtils]: 17: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {491#true} {491#true} #1219#return; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L290 TraceCheckUtils]: 19: Hoare triple {491#true} main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset := main_#t~ret222#1.base, main_#t~ret222#1.offset;havoc main_#t~ret222#1.base, main_#t~ret222#1.offset;main_~ldvarg5~0#1.base, main_~ldvarg5~0#1.offset := main_~tmp___3~4#1.base, main_~tmp___3~4#1.offset; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L272 TraceCheckUtils]: 20: Hoare triple {491#true} call main_#t~ret223#1.base, main_#t~ret223#1.offset := ldv_zalloc(1bv64); {491#true} is VALID [2022-02-20 21:56:31,799 INFO L290 TraceCheckUtils]: 21: Hoare triple {491#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L290 TraceCheckUtils]: 22: Hoare triple {491#true} assume 0bv32 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,799 INFO L290 TraceCheckUtils]: 23: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {491#true} {491#true} #1221#return; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L290 TraceCheckUtils]: 25: Hoare triple {491#true} main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset := main_#t~ret223#1.base, main_#t~ret223#1.offset;havoc main_#t~ret223#1.base, main_#t~ret223#1.offset;main_~ldvarg2~0#1.base, main_~ldvarg2~0#1.offset := main_~tmp___4~3#1.base, main_~tmp___4~3#1.offset; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L272 TraceCheckUtils]: 26: Hoare triple {491#true} call main_#t~ret224#1.base, main_#t~ret224#1.offset := ldv_zalloc(1bv64); {491#true} is VALID [2022-02-20 21:56:31,800 INFO L290 TraceCheckUtils]: 27: Hoare triple {491#true} ~size#1 := #in~size#1;havoc ~p~1#1.base, ~p~1#1.offset;havoc ~tmp~7#1.base, ~tmp~7#1.offset;havoc ~tmp___0~6#1;~tmp___0~6#1 := #t~nondet68#1;havoc #t~nondet68#1; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L290 TraceCheckUtils]: 28: Hoare triple {491#true} assume 0bv32 != ~tmp___0~6#1;#res#1.base, #res#1.offset := 0bv64, 0bv64; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L290 TraceCheckUtils]: 29: Hoare triple {491#true} assume true; {491#true} is VALID [2022-02-20 21:56:31,800 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {491#true} {491#true} #1223#return; {491#true} is VALID [2022-02-20 21:56:31,801 INFO L290 TraceCheckUtils]: 31: Hoare triple {491#true} main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset := main_#t~ret224#1.base, main_#t~ret224#1.offset;havoc main_#t~ret224#1.base, main_#t~ret224#1.offset;main_~ldvarg6~0#1.base, main_~ldvarg6~0#1.offset := main_~tmp___5~2#1.base, main_~tmp___5~2#1.offset;assume { :begin_inline_ldv_initialize } true;assume { :begin_inline_ldv_set_init } true;ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ldv_set_init_#in~set#1.base, ldv_set_init_#in~set#1.offset;ldv_set_init_~set#1.base, ldv_set_init_~set#1.offset := ~#set_impl~0.base, ~#set_impl~0.offset;~last_index~0 := 0bv32; {491#true} is VALID [2022-02-20 21:56:31,801 INFO L290 TraceCheckUtils]: 32: Hoare triple {491#true} assume { :end_inline_ldv_set_init } true; {491#true} is VALID [2022-02-20 21:56:31,804 INFO L290 TraceCheckUtils]: 33: Hoare triple {491#true} assume { :end_inline_ldv_initialize } true;~ldv_state_variable_1~0 := 1bv32;~ref_cnt~0 := 0bv32;~ldv_state_variable_0~0 := 1bv32;~ldv_state_variable_3~0 := 0bv32;~ldv_state_variable_2~0 := 0bv32; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,805 INFO L290 TraceCheckUtils]: 34: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} main_~tmp___6~1#1 := main_#t~nondet225#1;havoc main_#t~nondet225#1;main_#t~switch226#1 := 0bv32 == main_~tmp___6~1#1; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,809 INFO L290 TraceCheckUtils]: 35: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} assume !main_#t~switch226#1;main_#t~switch226#1 := main_#t~switch226#1 || 1bv32 == main_~tmp___6~1#1; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,809 INFO L290 TraceCheckUtils]: 36: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} assume main_#t~switch226#1; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,813 INFO L290 TraceCheckUtils]: 37: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} assume 0bv32 != ~ldv_state_variable_0~0;main_~tmp___7~2#1 := main_#t~nondet227#1;havoc main_#t~nondet227#1;main_#t~switch228#1 := 0bv32 == main_~tmp___7~2#1; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,814 INFO L290 TraceCheckUtils]: 38: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} assume main_#t~switch228#1; {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} is VALID [2022-02-20 21:56:31,814 INFO L290 TraceCheckUtils]: 39: Hoare triple {595#(= (_ bv1 32) ~ldv_state_variable_0~0)} assume 3bv32 == ~ldv_state_variable_0~0 && 0bv32 == ~ref_cnt~0;assume { :begin_inline_mod_exit } true;assume { :begin_inline_unregister_hdlc_protocol } true;unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset := ~#proto~0.base, ~#proto~0.offset;havoc unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset;unregister_hdlc_protocol_~arg0#1.base, unregister_hdlc_protocol_~arg0#1.offset := unregister_hdlc_protocol_#in~arg0#1.base, unregister_hdlc_protocol_#in~arg0#1.offset; {492#false} is VALID [2022-02-20 21:56:31,815 INFO L290 TraceCheckUtils]: 40: Hoare triple {492#false} assume { :end_inline_unregister_hdlc_protocol } true; {492#false} is VALID [2022-02-20 21:56:31,815 INFO L290 TraceCheckUtils]: 41: Hoare triple {492#false} assume { :end_inline_mod_exit } true;~ldv_state_variable_0~0 := 2bv32; {492#false} is VALID [2022-02-20 21:56:31,815 INFO L290 TraceCheckUtils]: 42: Hoare triple {492#false} assume { :begin_inline_ldv_check_final_state } true;havoc ldv_check_final_state_#t~ret252#1, ldv_check_final_state_~tmp___7~8#1;havoc ldv_check_final_state_~tmp___7~8#1;assume { :begin_inline_ldv_set_is_empty } true;ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset := ~LDV_SKBS~0.base, ~LDV_SKBS~0.offset;havoc ldv_set_is_empty_#res#1;havoc ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset;ldv_set_is_empty_~set#1.base, ldv_set_is_empty_~set#1.offset := ldv_set_is_empty_#in~set#1.base, ldv_set_is_empty_#in~set#1.offset;ldv_set_is_empty_#res#1 := (if 0bv32 == ~last_index~0 then 1bv32 else 0bv32); {492#false} is VALID [2022-02-20 21:56:31,815 INFO L290 TraceCheckUtils]: 43: Hoare triple {492#false} ldv_check_final_state_#t~ret252#1 := ldv_set_is_empty_#res#1;assume { :end_inline_ldv_set_is_empty } true;ldv_check_final_state_~tmp___7~8#1 := ldv_check_final_state_#t~ret252#1;havoc ldv_check_final_state_#t~ret252#1; {492#false} is VALID [2022-02-20 21:56:31,815 INFO L290 TraceCheckUtils]: 44: Hoare triple {492#false} assume !(0bv32 != ldv_check_final_state_~tmp___7~8#1); {492#false} is VALID [2022-02-20 21:56:31,816 INFO L272 TraceCheckUtils]: 45: Hoare triple {492#false} call ldv_error(); {492#false} is VALID [2022-02-20 21:56:31,816 INFO L290 TraceCheckUtils]: 46: Hoare triple {492#false} assume !false; {492#false} is VALID [2022-02-20 21:56:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-20 21:56:31,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:56:31,818 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:56:31,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593022310] [2022-02-20 21:56:31,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593022310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:56:31,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:56:31,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 21:56:31,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114361648] [2022-02-20 21:56:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:56:31,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-02-20 21:56:31,827 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:56:31,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-02-20 21:56:31,876 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:56:31,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 21:56:31,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:56:31,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 21:56:31,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 21:56:31,901 INFO L87 Difference]: Start difference. First operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)