java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 11:47:43,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 11:47:43,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 11:47:43,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 11:47:43,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 11:47:43,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 11:47:43,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 11:47:43,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 11:47:43,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 11:47:43,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 11:47:43,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 11:47:43,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 11:47:43,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 11:47:43,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 11:47:43,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 11:47:43,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 11:47:43,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 11:47:43,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 11:47:43,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 11:47:43,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 11:47:43,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 11:47:43,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 11:47:43,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 11:47:43,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 11:47:43,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 11:47:43,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 11:47:43,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 11:47:43,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 11:47:43,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 11:47:43,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 11:47:43,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 11:47:43,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 11:47:43,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 11:47:43,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 11:47:43,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 11:47:43,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 11:47:43,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 11:47:43,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 11:47:43,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 11:47:43,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 11:47:43,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 11:47:43,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 11:47:43,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 11:47:43,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 11:47:43,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 11:47:43,458 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 11:47:43,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 11:47:43,459 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 11:47:43,459 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 11:47:43,460 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 11:47:43,460 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 11:47:43,460 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 11:47:43,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 11:47:43,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 11:47:43,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 11:47:43,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 11:47:43,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 11:47:43,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 11:47:43,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 11:47:43,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 11:47:43,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 11:47:43,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 11:47:43,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 11:47:43,463 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 11:47:43,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 11:47:43,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 11:47:43,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 11:47:43,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 11:47:43,464 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 11:47:43,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 11:47:43,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 11:47:43,465 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 11:47:43,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 11:47:43,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 11:47:43,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 11:47:43,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 11:47:43,528 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 11:47:43,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-10-03 11:47:43,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0a9fbcb/55f10ce8326d4ddf8fa2110bae390152/FLAG9b394baf4 [2019-10-03 11:47:44,455 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 11:47:44,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-10-03 11:47:44,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0a9fbcb/55f10ce8326d4ddf8fa2110bae390152/FLAG9b394baf4 [2019-10-03 11:47:44,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0a9fbcb/55f10ce8326d4ddf8fa2110bae390152 [2019-10-03 11:47:44,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 11:47:44,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 11:47:44,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 11:47:44,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 11:47:44,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 11:47:44,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 11:47:44" (1/1) ... [2019-10-03 11:47:44,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6399e8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:44, skipping insertion in model container [2019-10-03 11:47:44,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 11:47:44" (1/1) ... [2019-10-03 11:47:44,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 11:47:45,090 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 11:47:46,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 11:47:46,784 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 11:47:46,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 11:47:47,217 INFO L192 MainTranslator]: Completed translation [2019-10-03 11:47:47,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47 WrapperNode [2019-10-03 11:47:47,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 11:47:47,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 11:47:47,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 11:47:47,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 11:47:47,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (1/1) ... [2019-10-03 11:47:47,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 11:47:47,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 11:47:47,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 11:47:47,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 11:47:47,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:47:47" (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 [2019-10-03 11:47:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 11:47:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 11:47:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-03 11:47:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 11:47:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 11:47:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-03 11:47:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 11:47:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 11:47:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-03 11:47:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-03 11:47:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-03 11:47:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-03 11:47:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 11:47:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-03 11:47:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 11:47:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-03 11:47:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-03 11:47:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 11:47:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-03 11:47:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-03 11:47:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 11:47:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2019-10-03 11:47:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_open [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_read [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_write [2019-10-03 11:47:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_receive [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_wakeup [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_init [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_ioctl [2019-10-03 11:47:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_process [2019-10-03 11:47:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_txmunge [2019-10-03 11:47:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_send [2019-10-03 11:47:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2019-10-03 11:47:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_flush_output [2019-10-03 11:47:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_input [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_cleanup [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 11:47:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-03 11:47:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-10-03 11:47:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 11:47:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 11:47:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 11:47:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-03 11:47:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_trylock_bh [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-03 11:47:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-10-03 11:47:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-10-03 11:47:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 11:47:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-03 11:47:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 11:47:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 11:47:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 11:47:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 11:47:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 11:47:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 11:47:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-03 11:47:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_trylock_bh [2019-10-03 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-10-03 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2019-10-03 11:47:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 11:47:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 11:47:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 11:47:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-10-03 11:47:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-03 11:47:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-03 11:47:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 11:47:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 11:47:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 11:47:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-03 11:47:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-03 11:47:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-03 11:47:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_txmunge [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_send [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_ioctl [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_process [2019-10-03 11:47:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_flush_output [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_input [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_open [2019-10-03 11:47:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_read [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_write [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_receive [2019-10-03 11:47:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_wakeup [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_init [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_cleanup [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 11:47:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 11:47:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 11:47:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 11:47:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 11:47:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 11:47:48,349 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 11:47:52,331 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 11:47:52,332 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 11:47:52,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 11:47:52 BoogieIcfgContainer [2019-10-03 11:47:52,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 11:47:52,335 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 11:47:52,336 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 11:47:52,336 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 11:47:52,337 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 11:47:52" (1/1) ... [2019-10-03 11:47:52,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 11:47:52,577 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 11:47:52,585 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 72 root evaluator evaluations with a maximum evaluation depth of 0. Performed 72 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 216 variables. [2019-10-03 11:47:52,586 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 11:47:52,590 INFO L168 Benchmark]: Toolchain (without parser) took 7660.02 ms. Allocated memory was 133.7 MB in the beginning and 352.8 MB in the end (delta: 219.2 MB). Free memory was 79.2 MB in the beginning and 203.2 MB in the end (delta: -124.0 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,592 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2289.50 ms. Allocated memory was 133.7 MB in the beginning and 261.1 MB in the end (delta: 127.4 MB). Free memory was 79.0 MB in the beginning and 212.5 MB in the end (delta: -133.5 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,595 INFO L168 Benchmark]: Boogie Preprocessor took 287.71 ms. Allocated memory is still 261.1 MB. Free memory was 212.5 MB in the beginning and 200.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,598 INFO L168 Benchmark]: RCFGBuilder took 4827.77 ms. Allocated memory was 261.1 MB in the beginning and 352.8 MB in the end (delta: 91.8 MB). Free memory was 200.6 MB in the beginning and 210.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,600 INFO L168 Benchmark]: Abstract Interpretation took 250.55 ms. Allocated memory is still 352.8 MB. Free memory was 210.7 MB in the beginning and 203.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-10-03 11:47:52,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2289.50 ms. Allocated memory was 133.7 MB in the beginning and 261.1 MB in the end (delta: 127.4 MB). Free memory was 79.0 MB in the beginning and 212.5 MB in the end (delta: -133.5 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 287.71 ms. Allocated memory is still 261.1 MB. Free memory was 212.5 MB in the beginning and 200.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4827.77 ms. Allocated memory was 261.1 MB in the beginning and 352.8 MB in the end (delta: 91.8 MB). Free memory was 200.6 MB in the beginning and 210.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 250.55 ms. Allocated memory is still 352.8 MB. Free memory was 210.7 MB in the beginning and 203.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 5659]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...