/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:30:27,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:30:27,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:30:27,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:30:27,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:30:27,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:30:27,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:30:27,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:30:27,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:30:27,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:30:27,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:30:27,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:30:27,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:30:27,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:30:27,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:30:27,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:30:27,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:30:27,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:30:27,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:30:27,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:30:27,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:30:27,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:30:27,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:30:27,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:30:27,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:30:27,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:30:27,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:30:27,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:30:27,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:30:27,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:30:27,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:30:27,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:30:27,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:30:27,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:30:27,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:30:27,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:30:27,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:30:27,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:30:27,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:30:27,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:30:27,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:30:27,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 23:30:27,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:30:27,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:30:27,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:30:27,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:30:27,527 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:30:27,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:30:27,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:30:27,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:30:27,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:30:27,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:30:27,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:30:27,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:30:27,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:30:27,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:30:27,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:30:27,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:30:27,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:30:27,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:30:27,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:30:27,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:30:27,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:30:27,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:30:27,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:30:27,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:30:27,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:30:27,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:30:27,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:30:27,533 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:30:27,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:30:27,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:30:27,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:30:27,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:30:27,954 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:30:27,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2020-10-28 23:30:28,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab678e0e1/69b44cb618ee4b37a557de6111d0a6ec/FLAG10bb23378 [2020-10-28 23:30:29,082 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:30:29,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2020-10-28 23:30:29,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab678e0e1/69b44cb618ee4b37a557de6111d0a6ec/FLAG10bb23378 [2020-10-28 23:30:29,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab678e0e1/69b44cb618ee4b37a557de6111d0a6ec [2020-10-28 23:30:29,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:30:29,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:30:29,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:30:29,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:30:29,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:30:29,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:29" (1/1) ... [2020-10-28 23:30:29,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ae838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:29, skipping insertion in model container [2020-10-28 23:30:29,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:29" (1/1) ... [2020-10-28 23:30:29,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:30:29,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:30:31,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:30:31,266 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:30:31,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:30:32,142 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:30:32,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32 WrapperNode [2020-10-28 23:30:32,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:30:32,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:30:32,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:30:32,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:30:32,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... [2020-10-28 23:30:32,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:30:32,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:30:32,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:30:32,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:30:32,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:30:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:30:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:30:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-28 23:30:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:30:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:30:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:30:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-28 23:30:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 23:30:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-28 23:30:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 23:30:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 23:30:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2020-10-28 23:30:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:30:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:30:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:30:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:30:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:30:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:30:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-28 23:30:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-28 23:30:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_alloc [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_free [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_change_mtu [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_lock [2020-10-28 23:30:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_unlock [2020-10-28 23:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_bump [2020-10-28 23:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_encaps [2020-10-28 23:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_write_wakeup [2020-10-28 23:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_timeout [2020-10-28 23:30:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_xmit [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_indication [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_transmit [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_connected [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_disconnected [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_open [2020-10-28 23:30:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_close [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_receive_buf [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_open_tty [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_close_tty [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_esc [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_unesc [2020-10-28 23:30:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_ioctl [2020-10-28 23:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_compat_ioctl [2020-10-28 23:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_open_dev [2020-10-28 23:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_setup [2020-10-28 23:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure init_x25_asy [2020-10-28 23:30:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_x25_asy [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_lapb_register_struct_3 [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:30:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2020-10-28 23:30:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_16 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2020-10-28 23:30:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2020-10-28 23:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_21 [2020-10-28 23:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22 [2020-10-28 23:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_24 [2020-10-28 23:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_26 [2020-10-28 23:30:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_27 [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_28 [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:30:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:30:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:30:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-28 23:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 23:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 23:30:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-28 23:30:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-10-28 23:30:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-10-28 23:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-10-28 23:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-28 23:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-28 23:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2020-10-28 23:30:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-28 23:30:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2020-10-28 23:30:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-28 23:30:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 23:30:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:30:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:30:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:30:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:30:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:30:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:30:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:30:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 23:30:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-28 23:30:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2020-10-28 23:30:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:30:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2020-10-28 23:30:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22 [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-28 23:30:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:30:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:30:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:30:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:30:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:30:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:30:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:30:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_lapb_register_struct_3 [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2020-10-28 23:30:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 23:30:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:30:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-28 23:30:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-28 23:30:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2020-10-28 23:30:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_28 [2020-10-28 23:30:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 23:30:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_16 [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_21 [2020-10-28 23:30:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_24 [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_26 [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_27 [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:30:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-10-28 23:30:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_esc [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_unesc [2020-10-28 23:30:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_setup [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_alloc [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_free [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_change_mtu [2020-10-28 23:30:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_lock [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_unlock [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_bump [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_encaps [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_write_wakeup [2020-10-28 23:30:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_timeout [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_xmit [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_indication [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_transmit [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_connected [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_disconnected [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_open [2020-10-28 23:30:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_close [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_receive_buf [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_open_tty [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_close_tty [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_ioctl [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_compat_ioctl [2020-10-28 23:30:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_open_dev [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure init_x25_asy [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure exit_x25_asy [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:30:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:30:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:30:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:30:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:30:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:30:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:30:33,672 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:30:35,936 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:30:35,936 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:30:35,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:35 BoogieIcfgContainer [2020-10-28 23:30:35,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:30:35,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:30:35,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:30:35,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:30:35,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:30:29" (1/3) ... [2020-10-28 23:30:35,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee24488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:30:35, skipping insertion in model container [2020-10-28 23:30:35,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32" (2/3) ... [2020-10-28 23:30:35,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee24488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:30:35, skipping insertion in model container [2020-10-28 23:30:35,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:35" (3/3) ... [2020-10-28 23:30:35,950 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2020-10-28 23:30:35,963 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:30:35,970 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:30:35,984 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:30:36,019 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:30:36,019 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:30:36,019 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:30:36,019 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:30:36,019 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:30:36,019 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:30:36,020 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:30:36,020 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:30:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states. [2020-10-28 23:30:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 23:30:36,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:30:36,086 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:30:36,086 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:30:36,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:30:36,093 INFO L82 PathProgramCache]: Analyzing trace with hash -831446406, now seen corresponding path program 1 times [2020-10-28 23:30:36,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:30:36,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685288782] [2020-10-28 23:30:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:30:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:36,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:36,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:39,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:30:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 23:30:41,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:41,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 23:30:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:30:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 23:30:42,249 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-28 23:30:42,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:42,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 23:30:42,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:30:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:42,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:30:42,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:30:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:42,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:30:42,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:30:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:42,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:30:42,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:42,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:30:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:42,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:30:42,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:30:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:42,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:30:42,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:30:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:30:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:30:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:30:42,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:42,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:30:42,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:30:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 23:30:42,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:30:42,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 23:30:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:30:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:30:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:42,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:30:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 23:30:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:42,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:42,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:30:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:42,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:30:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:30:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 23:30:42,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685288782] [2020-10-28 23:30:42,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:30:42,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:30:42,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040592124] [2020-10-28 23:30:42,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:30:42,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:30:42,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:30:42,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:30:42,830 INFO L87 Difference]: Start difference. First operand 1068 states. Second operand 8 states. [2020-10-28 23:30:43,538 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:30:44,477 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 23:30:45,162 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2020-10-28 23:31:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:31:12,831 INFO L93 Difference]: Finished difference Result 4406 states and 6698 transitions. [2020-10-28 23:31:12,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 23:31:12,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-10-28 23:31:12,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:31:12,901 INFO L225 Difference]: With dead ends: 4406 [2020-10-28 23:31:12,901 INFO L226 Difference]: Without dead ends: 3332 [2020-10-28 23:31:12,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-10-28 23:31:12,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2020-10-28 23:31:13,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 1918. [2020-10-28 23:31:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1918 states. [2020-10-28 23:31:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2470 transitions. [2020-10-28 23:31:13,582 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2470 transitions. Word has length 77 [2020-10-28 23:31:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:31:13,583 INFO L481 AbstractCegarLoop]: Abstraction has 1918 states and 2470 transitions. [2020-10-28 23:31:13,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:31:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2470 transitions. [2020-10-28 23:31:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 23:31:13,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:31:13,597 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:31:13,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:31:13,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:31:13,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:31:13,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1580354264, now seen corresponding path program 1 times [2020-10-28 23:31:13,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:31:13,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868104240] [2020-10-28 23:31:13,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:31:13,702 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-28 23:31:13,703 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-28 23:31:13,703 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 23:31:13,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:31:13,754 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-28 23:31:13,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:31:13 BoogieIcfgContainer [2020-10-28 23:31:13,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 23:31:13,759 INFO L168 Benchmark]: Toolchain (without parser) took 44221.20 ms. Allocated memory was 154.1 MB in the beginning and 956.3 MB in the end (delta: 802.2 MB). Free memory was 120.1 MB in the beginning and 333.5 MB in the end (delta: -213.4 MB). Peak memory consumption was 590.7 MB. Max. memory is 8.0 GB. [2020-10-28 23:31:13,760 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 23:31:13,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2597.81 ms. Allocated memory was 154.1 MB in the beginning and 241.2 MB in the end (delta: 87.0 MB). Free memory was 119.5 MB in the beginning and 179.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. [2020-10-28 23:31:13,770 INFO L168 Benchmark]: Boogie Preprocessor took 257.84 ms. Allocated memory is still 241.2 MB. Free memory was 179.3 MB in the beginning and 165.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-28 23:31:13,772 INFO L168 Benchmark]: RCFGBuilder took 3536.92 ms. Allocated memory was 241.2 MB in the beginning and 363.9 MB in the end (delta: 122.7 MB). Free memory was 164.6 MB in the beginning and 249.3 MB in the end (delta: -84.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. [2020-10-28 23:31:13,773 INFO L168 Benchmark]: TraceAbstraction took 37814.17 ms. Allocated memory was 363.9 MB in the beginning and 956.3 MB in the end (delta: 592.4 MB). Free memory was 249.3 MB in the beginning and 333.5 MB in the end (delta: -84.2 MB). Peak memory consumption was 508.8 MB. Max. memory is 8.0 GB. [2020-10-28 23:31:13,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2597.81 ms. Allocated memory was 154.1 MB in the beginning and 241.2 MB in the end (delta: 87.0 MB). Free memory was 119.5 MB in the beginning and 179.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 257.84 ms. Allocated memory is still 241.2 MB. Free memory was 179.3 MB in the beginning and 165.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3536.92 ms. Allocated memory was 241.2 MB in the beginning and 363.9 MB in the end (delta: 122.7 MB). Free memory was 164.6 MB in the beginning and 249.3 MB in the end (delta: -84.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37814.17 ms. Allocated memory was 363.9 MB in the beginning and 956.3 MB in the end (delta: 592.4 MB). Free memory was 249.3 MB in the beginning and 333.5 MB in the end (delta: -84.2 MB). Peak memory consumption was 508.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of bitwiseOr at line 5364. Possible FailurePath: [L5507] int ldv_state_variable_3 ; [L5508] struct tty_struct *x25_ldisc_group1 ; [L5509] int LDV_IN_INTERRUPT = 1; [L5510] int ldv_state_variable_2 ; [L5511] int ref_cnt ; [L5512] struct net_device *x25_asy_netdev_ops_group1 ; [L5513] struct sk_buff *x25_asy_callbacks_group0 ; [L5514] int ldv_state_variable_1 ; [L5515] struct net_device *x25_asy_callbacks_group1 ; [L5516] int ldv_state_variable_0 ; [L5674] static struct net_device **x25_asy_devs ; [L5675] static int x25_asy_maxdev = 256; [L6141-L6142] static struct lapb_register_struct const x25_asy_callbacks = {& x25_asy_connected, & x25_asy_connected, & x25_asy_disconnected, & x25_asy_disconnected, & x25_asy_data_indication, & x25_asy_data_transmit}; [L6491-L6495] static struct net_device_ops const x25_asy_netdev_ops = {0, 0, & x25_asy_open_dev, & x25_asy_close, & x25_asy_xmit, 0, 0, 0, 0, 0, 0, 0, & x25_asy_change_mtu, 0, & x25_asy_timeout, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6520-L6523] static struct tty_ldisc_ops x25_ldisc = {21507, (char *)"X.25", 0, 0, & x25_asy_open_tty, & x25_asy_close_tty, 0, 0, 0, 0, & x25_asy_ioctl, & x25_asy_compat_ioctl, 0, 0, 0, & x25_asy_receive_buf, & x25_asy_write_wakeup, 0, 0, 0, & __this_module, 0}; [L6580] int ldv_retval_2 ; [L6581] int ldv_retval_0 ; [L6585] int ldv_retval_1 ; [L6588] int ldv_retval_3 ; [L7137] Element set_impl[15] ; [L7138] int last_index = 0; [L7272] Set LDV_SKBS ; [L6621] char *ldvarg7 ; [L6622] void *tmp ; [L6623] unsigned long ldvarg3 ; [L6624] unsigned long tmp___0 ; [L6625] unsigned long ldvarg0 ; [L6626] unsigned long tmp___1 ; [L6627] struct file *ldvarg5 ; [L6628] void *tmp___2 ; [L6629] int ldvarg6 ; [L6630] int tmp___3 ; [L6631] unsigned char *ldvarg8 ; [L6632] void *tmp___4 ; [L6633] unsigned int ldvarg1 ; [L6634] unsigned int tmp___5 ; [L6635] unsigned int ldvarg4 ; [L6636] unsigned int tmp___6 ; [L6637] struct file *ldvarg2 ; [L6638] void *tmp___7 ; [L6639] int ldvarg11 ; [L6640] int tmp___8 ; [L6641] int ldvarg10 ; [L6642] int tmp___9 ; [L6643] int ldvarg12 ; [L6644] int tmp___10 ; [L6645] int ldvarg9 ; [L6646] int tmp___11 ; [L6647] int ldvarg14 ; [L6648] int tmp___12 ; [L6649] struct sk_buff *ldvarg13 ; [L6650] void *tmp___13 ; [L6651] int tmp___14 ; [L6652] int tmp___15 ; [L6653] int tmp___16 ; [L6654] int tmp___17 ; [L6655] int tmp___18 ; [L6657] CALL, EXPR ldv_zalloc(1UL) [L5449] void *p ; [L5450] void *tmp ; [L5451] int tmp___0 ; [L5453] tmp___0 = __VERIFIER_nondet_int() [L5454] COND TRUE tmp___0 != 0 [L5455] return ((void *)0); [L6657] RET, EXPR ldv_zalloc(1UL) [L6657] tmp = ldv_zalloc(1UL) [L6658] ldvarg7 = (char *)tmp [L6659] tmp___0 = __VERIFIER_nondet_ulong() [L6660] ldvarg3 = tmp___0 [L6661] tmp___1 = __VERIFIER_nondet_ulong() [L6662] ldvarg0 = tmp___1 [L6663] CALL, EXPR ldv_zalloc(512UL) [L5449] void *p ; [L5450] void *tmp ; [L5451] int tmp___0 ; [L5453] tmp___0 = __VERIFIER_nondet_int() [L5454] COND TRUE tmp___0 != 0 [L5455] return ((void *)0); [L6663] RET, EXPR ldv_zalloc(512UL) [L6663] tmp___2 = ldv_zalloc(512UL) [L6664] ldvarg5 = (struct file *)tmp___2 [L6665] tmp___3 = __VERIFIER_nondet_int() [L6666] ldvarg6 = tmp___3 [L6667] CALL, EXPR ldv_zalloc(1UL) [L5449] void *p ; [L5450] void *tmp ; [L5451] int tmp___0 ; [L5453] tmp___0 = __VERIFIER_nondet_int() [L5454] COND TRUE tmp___0 != 0 [L5455] return ((void *)0); [L6667] RET, EXPR ldv_zalloc(1UL) [L6667] tmp___4 = ldv_zalloc(1UL) [L6668] ldvarg8 = (unsigned char *)tmp___4 [L6669] tmp___5 = __VERIFIER_nondet_uint() [L6670] ldvarg1 = tmp___5 [L6671] tmp___6 = __VERIFIER_nondet_uint() [L6672] ldvarg4 = tmp___6 [L6673] CALL, EXPR ldv_zalloc(512UL) [L5449] void *p ; [L5450] void *tmp ; [L5451] int tmp___0 ; [L5453] tmp___0 = __VERIFIER_nondet_int() [L5454] COND TRUE tmp___0 != 0 [L5455] return ((void *)0); [L6673] RET, EXPR ldv_zalloc(512UL) [L6673] tmp___7 = ldv_zalloc(512UL) [L6674] ldvarg2 = (struct file *)tmp___7 [L6675] tmp___8 = __VERIFIER_nondet_int() [L6676] ldvarg11 = tmp___8 [L6677] tmp___9 = __VERIFIER_nondet_int() [L6678] ldvarg10 = tmp___9 [L6679] tmp___10 = __VERIFIER_nondet_int() [L6680] ldvarg12 = tmp___10 [L6681] tmp___11 = __VERIFIER_nondet_int() [L6682] ldvarg9 = tmp___11 [L6683] tmp___12 = __VERIFIER_nondet_int() [L6684] ldvarg14 = tmp___12 [L6685] CALL, EXPR ldv_zalloc(232UL) [L5449] void *p ; [L5450] void *tmp ; [L5451] int tmp___0 ; [L5453] tmp___0 = __VERIFIER_nondet_int() [L5454] COND TRUE tmp___0 != 0 [L5455] return ((void *)0); [L6685] RET, EXPR ldv_zalloc(232UL) [L6685] tmp___13 = ldv_zalloc(232UL) [L6686] ldvarg13 = (struct sk_buff *)tmp___13 [L6687] CALL ldv_initialize() [L7291] CALL ldv_set_init(LDV_SKBS) [L7143] set = set_impl [L7144] last_index = 0 [L7291] RET ldv_set_init(LDV_SKBS) [L6687] RET ldv_initialize() [L6688] ldv_state_variable_1 = 0 [L6689] ref_cnt = 0 [L6690] ldv_state_variable_0 = 1 [L6691] ldv_state_variable_3 = 0 [L6692] ldv_state_variable_2 = 0 [L6694] tmp___14 = __VERIFIER_nondet_int() [L6696] case 0: [L6765] case 1: [L6766] COND TRUE ldv_state_variable_0 != 0 [L6767] tmp___16 = __VERIFIER_nondet_int() [L6769] case 0: [L6777] case 1: [L6778] COND TRUE ldv_state_variable_0 == 1 [L6779] CALL, EXPR init_x25_asy() [L6526] void *tmp ; [L6527] int tmp___0 ; [L6529] COND TRUE x25_asy_maxdev <= 3 [L6530] x25_asy_maxdev = 4 [L6535] CALL, EXPR kcalloc((size_t )x25_asy_maxdev, 8UL, 208U) [L5362] void *tmp ; [L5364] CALL, EXPR kmalloc_array(n, size, flags | 32768U) [L5349] void *tmp ; [L5351] COND FALSE !(size != 0UL && 0xffffffffffffffffUL / size < n) [L5355] CALL, EXPR __kmalloc(n * size, flags) [L5336] CALL, EXPR ldv_malloc(size) [L5432] void *p ; [L5433] void *tmp ; [L5434] int tmp___0 ; [L5436] tmp___0 = __VERIFIER_nondet_int() [L5437] COND TRUE tmp___0 != 0 [L5438] return ((void *)0); [L5336] RET, EXPR ldv_malloc(size) [L5336] return ldv_malloc(size); [L5355] RET, EXPR __kmalloc(n * size, flags) [L5355] tmp = __kmalloc(n * size, flags) [L5356] return (tmp); [L5364] RET, EXPR kmalloc_array(n, size, flags | 32768U) [L5364] tmp = kmalloc_array(n, size, flags | 32768U) [L5365] return (tmp); [L6535] RET, EXPR kcalloc((size_t )x25_asy_maxdev, 8UL, 208U) [L6535] tmp = kcalloc((size_t )x25_asy_maxdev, 8UL, 208U) [L6536] x25_asy_devs = (struct net_device **)tmp [L6537] COND TRUE (unsigned long )x25_asy_devs == (unsigned long )((struct net_device **)0) [L6538] return (-12); [L6779] RET, EXPR init_x25_asy() [L6779] ldv_retval_1 = init_x25_asy() [L6780] COND FALSE !(ldv_retval_1 == 0) [L6788] COND TRUE ldv_retval_1 != 0 [L6789] ldv_state_variable_0 = 2 [L6979] CALL ldv_check_final_state() [L7342] int tmp___7 ; [L7344] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7233] return (last_index == 0); [L7344] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7344] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7345] COND FALSE !(\read(tmp___7)) [L7347] CALL ldv_error() [L5484] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 152 procedures, 1132 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 37.6s, OverallIterations: 2, TraceHistogramMax: 5, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1372 SDtfs, 6527 SDslu, 1808 SDs, 0 SdLazy, 4866 SolverSat, 4638 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1918occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 1 MinimizatonAttempts, 1414 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 31084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...