/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:07:08,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:07:08,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:07:08,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:07:08,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:07:08,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:07:08,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:07:08,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:07:08,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:07:08,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:07:08,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:07:08,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:07:08,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:07:08,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:07:08,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:07:08,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:07:08,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:07:08,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:07:08,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:07:08,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:07:08,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:07:08,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:07:08,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:07:08,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:07:08,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:07:08,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:07:08,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:07:08,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:07:08,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:07:08,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:07:08,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:07:08,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:07:08,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:07:08,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:07:08,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:07:08,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:07:08,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:07:08,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:07:08,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:07:08,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:07:08,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:07:08,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:07:08,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:07:08,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:07:08,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:07:08,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:07:08,363 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:07:08,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:07:08,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:07:08,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:07:08,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:07:08,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:07:08,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:07:08,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:07:08,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:07:08,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:07:08,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:07:08,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:07:08,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:07:08,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:07:08,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:07:08,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:07:08,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:07:08,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:07:08,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:07:08,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:07:08,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:07:08,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:07:08,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:07:08,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:07:08,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:07:08,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:07:08,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:07:08,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:07:08,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:07:08,689 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:07:08,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-06 21:07:08,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377b771d9/19274a8a585f416c8abf4f2f09da7dd1/FLAGb1a9ec8a6 [2019-11-06 21:07:09,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:07:09,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-06 21:07:09,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377b771d9/19274a8a585f416c8abf4f2f09da7dd1/FLAGb1a9ec8a6 [2019-11-06 21:07:10,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377b771d9/19274a8a585f416c8abf4f2f09da7dd1 [2019-11-06 21:07:10,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:07:10,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:07:10,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:07:10,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:07:10,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:07:10,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:07:10" (1/1) ... [2019-11-06 21:07:10,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebc7148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:10, skipping insertion in model container [2019-11-06 21:07:10,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:07:10" (1/1) ... [2019-11-06 21:07:10,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:07:10,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:07:13,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:07:13,867 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:07:14,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:07:14,948 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:07:14,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14 WrapperNode [2019-11-06 21:07:14,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:07:14,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:07:14,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:07:14,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:07:14,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:14,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... [2019-11-06 21:07:15,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:07:15,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:07:15,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:07:15,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:07:15,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-06 21:07:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:07:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:07:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 21:07:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-06 21:07:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 21:07:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-11-06 21:07:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 21:07:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-11-06 21:07:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-06 21:07:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-11-06 21:07:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 21:07:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-11-06 21:07:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-11-06 21:07:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-11-06 21:07:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 21:07:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-06 21:07:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 21:07:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-11-06 21:07:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-11-06 21:07:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 21:07:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 21:07:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-06 21:07:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-06 21:07:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 21:07:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 21:07:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 21:07:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 21:07:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-11-06 21:07:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-06 21:07:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-11-06 21:07:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-11-06 21:07:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 21:07:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-06 21:07:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-11-06 21:07:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-06 21:07:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-11-06 21:07:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-11-06 21:07:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-11-06 21:07:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-11-06 21:07:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2019-11-06 21:07:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-11-06 21:07:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-11-06 21:07:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-06 21:07:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-11-06 21:07:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-11-06 21:07:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-11-06 21:07:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-11-06 21:07:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-11-06 21:07:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_complete_unset [2019-11-06 21:07:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure write_pnet [2019-11-06 21:07:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-06 21:07:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_keep_dst [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-06 21:07:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2019-11-06 21:07:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2019-11-06 21:07:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2019-11-06 21:07:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2019-11-06 21:07:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2019-11-06 21:07:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2019-11-06 21:07:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2019-11-06 21:07:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2019-11-06 21:07:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2019-11-06 21:07:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2019-11-06 21:07:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2019-11-06 21:07:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2019-11-06 21:07:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2019-11-06 21:07:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2019-11-06 21:07:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2019-11-06 21:07:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-11-06 21:07:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2019-11-06 21:07:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-11-06 21:07:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-11-06 21:07:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2019-11-06 21:07:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-11-06 21:07:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-11-06 21:07:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2019-11-06 21:07:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2019-11-06 21:07:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2019-11-06 21:07:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2019-11-06 21:07:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2019-11-06 21:07:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2019-11-06 21:07:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2019-11-06 21:07:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2019-11-06 21:07:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2019-11-06 21:07:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 21:07:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-11-06 21:07:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-11-06 21:07:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_38 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 21:07:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 21:07:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 21:07:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 21:07:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 21:07:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 21:07:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-06 21:07:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 21:07:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 21:07:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-11-06 21:07:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 21:07:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-11-06 21:07:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_init [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 21:07:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-11-06 21:07:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-11-06 21:07:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-11-06 21:07:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-11-06 21:07:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 21:07:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 21:07:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-11-06 21:07:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-11-06 21:07:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2019-11-06 21:07:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-11-06 21:07:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-06 21:07:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-11-06 21:07:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 21:07:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-11-06 21:07:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-11-06 21:07:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-06 21:07:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iter [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-11-06 21:07:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-11-06 21:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2019-11-06 21:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 21:07:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-06 21:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 21:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 21:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-06 21:07:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-06 21:07:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-11-06 21:07:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-11-06 21:07:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-11-06 21:07:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2019-11-06 21:07:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-06 21:07:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 21:07:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-11-06 21:07:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-11-06 21:07:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-11-06 21:07:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 21:07:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-11-06 21:07:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-11-06 21:07:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 21:07:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 21:07:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-11-06 21:07:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:07:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-11-06 21:07:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 21:07:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 21:07:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_init [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_38 [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2019-11-06 21:07:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 21:07:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-11-06 21:07:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-11-06 21:07:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-11-06 21:07:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2019-11-06 21:07:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-11-06 21:07:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iter [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_complete_unset [2019-11-06 21:07:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure write_pnet [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-11-06 21:07:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2019-11-06 21:07:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-06 21:07:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-11-06 21:07:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_keep_dst [2019-11-06 21:07:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-11-06 21:07:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2019-11-06 21:07:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-11-06 21:07:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2019-11-06 21:07:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2019-11-06 21:07:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2019-11-06 21:07:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2019-11-06 21:07:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2019-11-06 21:07:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2019-11-06 21:07:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2019-11-06 21:07:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-11-06 21:07:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:07:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 21:07:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 21:07:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 21:07:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 21:07:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 21:07:17,272 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 21:07:34,618 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:07:34,618 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:07:34,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:07:34 BoogieIcfgContainer [2019-11-06 21:07:34,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:07:34,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:07:34,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:07:34,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:07:34,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:07:10" (1/3) ... [2019-11-06 21:07:34,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5457b76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:07:34, skipping insertion in model container [2019-11-06 21:07:34,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:07:14" (2/3) ... [2019-11-06 21:07:34,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5457b76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:07:34, skipping insertion in model container [2019-11-06 21:07:34,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:07:34" (3/3) ... [2019-11-06 21:07:34,630 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-06 21:07:34,641 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:07:34,655 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:07:34,669 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:07:34,712 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:07:34,713 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:07:34,713 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:07:34,713 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:07:34,713 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:07:34,713 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:07:34,713 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:07:34,714 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:07:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states. [2019-11-06 21:07:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-06 21:07:34,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:07:34,798 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:07:34,801 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:07:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:07:34,807 INFO L82 PathProgramCache]: Analyzing trace with hash 456171121, now seen corresponding path program 1 times [2019-11-06 21:07:34,818 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:07:34,818 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002853270] [2019-11-06 21:07:34,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:07:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,297 WARN L191 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 790 [2019-11-06 21:07:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:07:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-06 21:07:40,937 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002853270] [2019-11-06 21:07:40,938 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:07:40,938 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 21:07:40,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876107827] [2019-11-06 21:07:40,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:07:40,947 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:07:40,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:07:40,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:07:40,971 INFO L87 Difference]: Start difference. First operand 2718 states. Second operand 7 states. [2019-11-06 21:07:45,113 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 799