./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:29:27,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:29:27,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:29:27,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:29:27,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:29:27,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:29:27,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:29:27,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:29:27,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:29:27,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:29:27,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:29:27,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:29:27,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:29:27,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:29:27,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:29:27,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:29:27,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:29:27,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:29:27,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:29:27,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:29:27,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:29:27,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:29:27,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:29:27,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:29:27,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:29:27,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:29:27,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:29:27,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:29:27,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:29:27,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:29:27,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:29:27,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:29:27,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:29:27,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:29:27,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:29:27,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:29:27,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:29:27,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:29:27,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:29:27,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:29:27,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:29:27,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:29:27,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:29:27,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:29:27,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:29:27,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:29:27,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:29:27,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:29:27,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:29:27,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:29:27,525 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:29:27,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:29:27,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:29:27,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:29:27,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:29:27,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:29:27,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:29:27,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:29:27,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:29:27,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:29:27,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:29:27,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:29:27,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:29:27,528 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:29:27,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:29:27,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:29:27,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-12-28 04:29:27,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:29:27,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:29:27,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:29:27,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:29:27,847 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:29:27,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-28 04:29:27,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c51c59d/d23956edd804409a8fb1df6dbd66f6f5/FLAG212172258 [2021-12-28 04:29:28,695 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:29:28,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-28 04:29:28,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c51c59d/d23956edd804409a8fb1df6dbd66f6f5/FLAG212172258 [2021-12-28 04:29:29,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c51c59d/d23956edd804409a8fb1df6dbd66f6f5 [2021-12-28 04:29:29,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:29:29,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:29:29,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:29:29,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:29:29,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:29:29,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:29:29" (1/1) ... [2021-12-28 04:29:29,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a743cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:29, skipping insertion in model container [2021-12-28 04:29:29,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:29:29" (1/1) ... [2021-12-28 04:29:29,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:29:29,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:29:31,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-12-28 04:29:31,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:29:31,515 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:29:31,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-12-28 04:29:31,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:29:32,057 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:29:32,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32 WrapperNode [2021-12-28 04:29:32,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:29:32,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:29:32,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:29:32,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:29:32,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,330 INFO L137 Inliner]: procedures = 333, calls = 3594, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6651 [2021-12-28 04:29:32,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:29:32,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:29:32,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:29:32,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:29:32,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:29:32,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:29:32,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:29:32,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:29:32,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (1/1) ... [2021-12-28 04:29:32,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:29:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:29:32,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:29:32,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:29:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-28 04:29:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-28 04:29:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:29:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:29:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-28 04:29:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-28 04:29:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:29:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:29:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:29:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:29:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2021-12-28 04:29:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2021-12-28 04:29:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:29:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:29:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-28 04:29:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-28 04:29:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:29:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:29:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:29:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:29:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-28 04:29:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-28 04:29:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:29:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:29:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-28 04:29:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-28 04:29:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:29:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:29:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-28 04:29:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-28 04:29:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-28 04:29:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-28 04:29:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 04:29:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 04:29:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-28 04:29:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-28 04:29:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-28 04:29:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-28 04:29:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:29:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:29:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-28 04:29:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-28 04:29:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-28 04:29:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-28 04:29:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-28 04:29:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-28 04:29:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:29:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:29:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-28 04:29:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-28 04:29:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-28 04:29:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-28 04:29:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-28 04:29:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-28 04:29:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:29:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:29:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-28 04:29:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-28 04:29:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-28 04:29:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-28 04:29:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:29:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:29:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:29:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:29:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-28 04:29:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-28 04:29:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 04:29:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 04:29:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:29:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:29:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-28 04:29:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-28 04:29:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-28 04:29:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-28 04:29:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-28 04:29:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-28 04:29:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-28 04:29:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-28 04:29:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-28 04:29:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-28 04:29:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:29:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-28 04:29:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 04:29:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-28 04:29:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-28 04:29:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-28 04:29:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-28 04:29:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-28 04:29:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-28 04:29:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-28 04:29:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-28 04:29:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-28 04:29:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-28 04:29:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-28 04:29:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-28 04:29:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:29:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-28 04:29:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-28 04:29:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-28 04:29:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-28 04:29:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:29:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:29:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:29:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:29:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-28 04:29:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-28 04:29:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:29:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-28 04:29:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-28 04:29:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 04:29:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 04:29:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:29:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-28 04:29:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-28 04:29:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-28 04:29:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-28 04:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 04:29:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 04:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-28 04:29:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-28 04:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:29:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-28 04:29:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-28 04:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 04:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 04:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-28 04:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-28 04:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-28 04:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-28 04:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 04:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 04:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-28 04:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-28 04:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-28 04:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-28 04:29:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-28 04:29:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-28 04:29:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-28 04:29:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-28 04:29:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:29:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:29:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:29:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:29:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:29:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-28 04:29:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-28 04:29:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:29:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:29:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:29:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:29:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:29:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:29:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-28 04:29:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-28 04:29:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:29:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:29:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-28 04:29:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-28 04:29:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-28 04:29:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-28 04:29:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:29:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:29:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:29:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:29:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-28 04:29:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-28 04:29:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:29:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-28 04:29:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-28 04:29:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:29:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:29:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:29:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:29:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:29:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:29:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-28 04:29:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-28 04:29:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:29:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:29:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-28 04:29:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-28 04:29:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-28 04:29:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-28 04:29:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-28 04:29:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-28 04:29:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:29:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:29:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-28 04:29:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-28 04:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:29:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-28 04:29:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-28 04:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:29:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-28 04:29:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-28 04:29:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:29:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:29:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:29:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-28 04:29:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-28 04:29:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-28 04:29:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-28 04:29:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-28 04:29:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-28 04:29:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:29:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:29:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-28 04:29:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-28 04:29:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-28 04:29:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-28 04:29:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-28 04:29:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-28 04:29:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-28 04:29:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-28 04:29:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-28 04:29:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-28 04:29:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-28 04:29:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-28 04:29:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-28 04:29:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-28 04:29:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-28 04:29:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-28 04:29:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-28 04:29:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-28 04:29:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-28 04:29:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-28 04:29:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-28 04:29:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-28 04:29:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-28 04:29:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-28 04:29:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-28 04:29:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-28 04:29:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-28 04:29:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-28 04:29:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:29:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:29:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 04:29:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 04:29:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-28 04:29:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-28 04:29:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 04:29:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 04:29:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-28 04:29:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-28 04:29:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-28 04:29:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-28 04:29:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-28 04:29:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-28 04:29:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 04:29:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:29:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:29:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-28 04:29:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-28 04:29:33,481 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:29:33,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:29:33,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:29:43,886 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:29:43,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:29:43,907 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-28 04:29:43,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:29:43 BoogieIcfgContainer [2021-12-28 04:29:43,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:29:43,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:29:43,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:29:43,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:29:43,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:29:29" (1/3) ... [2021-12-28 04:29:43,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf380a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:29:43, skipping insertion in model container [2021-12-28 04:29:43,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:29:32" (2/3) ... [2021-12-28 04:29:43,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf380a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:29:43, skipping insertion in model container [2021-12-28 04:29:43,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:29:43" (3/3) ... [2021-12-28 04:29:43,917 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-28 04:29:43,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:29:43,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:29:43,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:29:43,969 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 [2021-12-28 04:29:43,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:29:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-28 04:29:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-28 04:29:44,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:44,036 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-28 04:29:44,037 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:44,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:44,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1090600094, now seen corresponding path program 1 times [2021-12-28 04:29:44,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:44,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045053863] [2021-12-28 04:29:44,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:44,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:29:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:29:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:29:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:29:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-28 04:29:44,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045053863] [2021-12-28 04:29:44,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045053863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:44,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:44,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:29:44,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194183822] [2021-12-28 04:29:44,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:44,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:29:44,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:44,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:29:44,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:29:44,732 INFO L87 Difference]: Start difference. First operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:29:46,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:53,961 INFO L93 Difference]: Finished difference Result 7373 states and 11202 transitions. [2021-12-28 04:29:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:29:53,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-12-28 04:29:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:53,999 INFO L225 Difference]: With dead ends: 7373 [2021-12-28 04:29:53,999 INFO L226 Difference]: Without dead ends: 3913 [2021-12-28 04:29:54,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:29:54,027 INFO L933 BasicCegarLoop]: 4168 mSDtfsCounter, 3563 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 3894 mSolverCounterSat, 2779 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 6611 SdHoareTripleChecker+Invalid, 6674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2779 IncrementalHoareTripleChecker+Valid, 3894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:29:54,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3584 Valid, 6611 Invalid, 6674 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2779 Valid, 3894 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-12-28 04:29:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2021-12-28 04:29:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3375. [2021-12-28 04:29:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2410 states have (on average 1.3817427385892116) internal successors, (3330), 2449 states have internal predecessors, (3330), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2021-12-28 04:29:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4989 transitions. [2021-12-28 04:29:54,261 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4989 transitions. Word has length 126 [2021-12-28 04:29:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:54,262 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4989 transitions. [2021-12-28 04:29:54,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:29:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4989 transitions. [2021-12-28 04:29:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-28 04:29:54,270 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:54,271 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-28 04:29:54,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:29:54,271 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:54,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1978075498, now seen corresponding path program 1 times [2021-12-28 04:29:54,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:54,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704065338] [2021-12-28 04:29:54,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:54,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:29:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:29:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:29:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:29:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-28 04:29:54,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:54,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704065338] [2021-12-28 04:29:54,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704065338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:54,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:54,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:29:54,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978767630] [2021-12-28 04:29:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:54,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:29:54,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:29:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:29:54,620 INFO L87 Difference]: Start difference. First operand 3375 states and 4989 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:29:56,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:58,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:30:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:30:14,822 INFO L93 Difference]: Finished difference Result 10892 states and 16259 transitions. [2021-12-28 04:30:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:30:14,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-12-28 04:30:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:30:14,948 INFO L225 Difference]: With dead ends: 10892 [2021-12-28 04:30:14,949 INFO L226 Difference]: Without dead ends: 7537 [2021-12-28 04:30:15,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:30:15,001 INFO L933 BasicCegarLoop]: 4866 mSDtfsCounter, 10318 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 9780 mSolverCounterSat, 6110 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10662 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 15892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6110 IncrementalHoareTripleChecker+Valid, 9780 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:30:15,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10662 Valid, 11784 Invalid, 15892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6110 Valid, 9780 Invalid, 2 Unknown, 0 Unchecked, 19.6s Time] [2021-12-28 04:30:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2021-12-28 04:30:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 6460. [2021-12-28 04:30:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 4622 states have (on average 1.3823020337516227) internal successors, (6389), 4699 states have internal predecessors, (6389), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-12-28 04:30:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 9544 transitions. [2021-12-28 04:30:15,666 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 9544 transitions. Word has length 126 [2021-12-28 04:30:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:30:15,669 INFO L470 AbstractCegarLoop]: Abstraction has 6460 states and 9544 transitions. [2021-12-28 04:30:15,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:30:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 9544 transitions. [2021-12-28 04:30:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 04:30:15,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:30:15,677 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:30:15,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:30:15,677 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:30:15,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:30:15,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1016440010, now seen corresponding path program 1 times [2021-12-28 04:30:15,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:30:15,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670575451] [2021-12-28 04:30:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:30:15,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:30:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:30:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:30:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:30:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:30:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:30:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:30:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:30:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:30:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:30:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:30:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:30:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 04:30:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:30:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:30:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 04:30:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:30:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:30:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 04:30:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:30:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:30:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:30:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 04:30:16,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:30:16,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670575451] [2021-12-28 04:30:16,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670575451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:30:16,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:30:16,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:30:16,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568739466] [2021-12-28 04:30:16,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:30:16,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:30:16,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:30:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:30:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:30:16,136 INFO L87 Difference]: Start difference. First operand 6460 states and 9544 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 04:30:18,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:30:20,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:30:22,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []