java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.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-f3d0b09 [2019-08-08 17:33:18,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 17:33:18,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 17:33:18,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 17:33:18,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 17:33:18,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 17:33:18,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 17:33:18,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 17:33:18,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 17:33:18,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 17:33:18,469 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 17:33:18,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 17:33:18,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 17:33:18,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 17:33:18,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 17:33:18,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 17:33:18,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 17:33:18,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 17:33:18,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 17:33:18,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 17:33:18,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 17:33:18,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 17:33:18,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 17:33:18,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 17:33:18,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 17:33:18,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 17:33:18,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 17:33:18,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 17:33:18,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 17:33:18,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 17:33:18,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 17:33:18,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 17:33:18,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 17:33:18,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 17:33:18,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 17:33:18,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 17:33:18,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 17:33:18,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 17:33:18,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 17:33:18,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 17:33:18,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 17:33:18,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2019-08-08 17:33:18,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 17:33:18,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 17:33:18,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 17:33:18,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 17:33:18,533 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 17:33:18,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 17:33:18,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 17:33:18,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 17:33:18,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 17:33:18,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 17:33:18,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 17:33:18,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 17:33:18,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 17:33:18,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 17:33:18,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 17:33:18,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 17:33:18,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 17:33:18,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 17:33:18,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 17:33:18,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 17:33:18,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 17:33:18,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 17:33:18,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 17:33:18,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 17:33:18,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 17:33:18,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 17:33:18,538 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-08 17:33:18,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 17:33:18,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 17:33:18,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 17:33:18,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 17:33:18,587 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 17:33:18,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-08-08 17:33:18,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cb925e7/52921935b46e430b9f494a52e0d90ecd/FLAG38eda8e06 [2019-08-08 17:33:19,394 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 17:33:19,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-08-08 17:33:19,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cb925e7/52921935b46e430b9f494a52e0d90ecd/FLAG38eda8e06 [2019-08-08 17:33:19,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cb925e7/52921935b46e430b9f494a52e0d90ecd [2019-08-08 17:33:19,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 17:33:19,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 17:33:19,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 17:33:19,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 17:33:19,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 17:33:19,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:33:19" (1/1) ... [2019-08-08 17:33:19,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b806e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:19, skipping insertion in model container [2019-08-08 17:33:19,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:33:19" (1/1) ... [2019-08-08 17:33:19,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 17:33:19,678 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 17:33:21,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 17:33:21,701 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 17:33:21,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 17:33:22,172 INFO L192 MainTranslator]: Completed translation [2019-08-08 17:33:22,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22 WrapperNode [2019-08-08 17:33:22,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 17:33:22,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 17:33:22,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 17:33:22,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 17:33:22,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (1/1) ... [2019-08-08 17:33:22,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 17:33:22,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 17:33:22,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 17:33:22,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 17:33:22,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:22" (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 [2019-08-08 17:33:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 17:33:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 17:33:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-08 17:33:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-08-08 17:33:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-08-08 17:33:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-08-08 17:33:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-08-08 17:33:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-08-08 17:33:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-08-08 17:33:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-08-08 17:33:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-08-08 17:33:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-08-08 17:33:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-08-08 17:33:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-08-08 17:33:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-08-08 17:33:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-08-08 17:33:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-08-08 17:33:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-08-08 17:33:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-08-08 17:33:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-08-08 17:33:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2019-08-08 17:33:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-08-08 17:33:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-08-08 17:33:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-08-08 17:33:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-08-08 17:33:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_open [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2019-08-08 17:33:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_read [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_write [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_receive [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_wakeup [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_init [2019-08-08 17:33:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_ioctl [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_process [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_txmunge [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_send [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_flush_output [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_input [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_cleanup [2019-08-08 17:33:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-08-08 17:33:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-08-08 17:33:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-08-08 17:33:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-08-08 17:33:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-08-08 17:33:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-08-08 17:33:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-08-08 17:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_trylock_bh [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-08-08 17:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-08-08 17:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-08-08 17:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-08-08 17:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-08-08 17:33:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-08 17:33:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-08 17:33:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-08-08 17:33:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-08-08 17:33:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 17:33:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-08-08 17:33:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-08-08 17:33:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-08-08 17:33:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-08-08 17:33:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_trylock_bh [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-08-08 17:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-08-08 17:33:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-08-08 17:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-08-08 17:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-08-08 17:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-08-08 17:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-08-08 17:33:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-08-08 17:33:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-08 17:33:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-08 17:33:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-08-08 17:33:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-08-08 17:33:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-08-08 17:33:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_txmunge [2019-08-08 17:33:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_send [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_ioctl [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_process [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_flush_output [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_input [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2019-08-08 17:33:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_open [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_read [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_write [2019-08-08 17:33:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_receive [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_wakeup [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_init [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_cleanup [2019-08-08 17:33:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-08-08 17:33:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-08-08 17:33:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-08-08 17:33:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-08-08 17:33:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-08-08 17:33:23,543 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-08-08 17:33:30,501 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 17:33:30,501 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-08 17:33:30,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:33:30 BoogieIcfgContainer [2019-08-08 17:33:30,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 17:33:30,504 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 17:33:30,504 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 17:33:30,504 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 17:33:30,505 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:33:30" (1/1) ... [2019-08-08 17:33:30,517 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 17:33:30,519 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 17:33:30,532 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 17:33:30,540 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 17:33:30,542 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 17:33:30,620 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 545 [2019-08-08 17:33:38,519 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.IllegalArgumentException: Expected one sink location but found 0 at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.regexdag.RegexDagUtils.singleSinkLocation(RegexDagUtils.java:47) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:87) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:67) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:62) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:190) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:162) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:112) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:88) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:96) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:80) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretLoop(DagInterpreter.java:141) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:112) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpret(IcfgInterpreter.java:116) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:76) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:68) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-08 17:33:38,529 INFO L168 Benchmark]: Toolchain (without parser) took 19024.75 ms. Allocated memory was 142.1 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 81.7 MB in the beginning and 814.2 MB in the end (delta: -732.5 MB). Peak memory consumption was 967.5 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,529 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2670.68 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 81.5 MB in the beginning and 213.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,536 INFO L168 Benchmark]: Boogie Preprocessor took 269.37 ms. Allocated memory is still 259.5 MB. Free memory was 213.2 MB in the beginning and 198.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,538 INFO L168 Benchmark]: RCFGBuilder took 8059.63 ms. Allocated memory was 259.5 MB in the beginning and 325.6 MB in the end (delta: 66.1 MB). Free memory was 198.7 MB in the beginning and 185.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,539 INFO L168 Benchmark]: Symbolic Interpretation took 8021.12 ms. Allocated memory was 325.6 MB in the beginning and 1.3 GB in the end (delta: 926.4 MB). Free memory was 185.1 MB in the beginning and 814.2 MB in the end (delta: -629.1 MB). Peak memory consumption was 887.4 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:38,549 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: IllegalArgumentException: Expected one sink location but found 0 de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: IllegalArgumentException: Expected one sink location but found 0: de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.regexdag.RegexDagUtils.singleSinkLocation(RegexDagUtils.java:47) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2670.68 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 81.5 MB in the beginning and 213.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.37 ms. Allocated memory is still 259.5 MB. Free memory was 213.2 MB in the beginning and 198.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8059.63 ms. Allocated memory was 259.5 MB in the beginning and 325.6 MB in the end (delta: 66.1 MB). Free memory was 198.7 MB in the beginning and 185.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 8021.12 ms. Allocated memory was 325.6 MB in the beginning and 1.3 GB in the end (delta: 926.4 MB). Free memory was 185.1 MB in the beginning and 814.2 MB in the end (delta: -629.1 MB). Peak memory consumption was 887.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...