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 0.1.24-2989841 [2019-08-10 18:28:39,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 18:28:39,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 18:28:39,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 18:28:39,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 18:28:39,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 18:28:39,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 18:28:39,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 18:28:39,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 18:28:39,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 18:28:39,044 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 18:28:39,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 18:28:39,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 18:28:39,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 18:28:39,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 18:28:39,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 18:28:39,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 18:28:39,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 18:28:39,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 18:28:39,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 18:28:39,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 18:28:39,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 18:28:39,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 18:28:39,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 18:28:39,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 18:28:39,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 18:28:39,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 18:28:39,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 18:28:39,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 18:28:39,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 18:28:39,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 18:28:39,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 18:28:39,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 18:28:39,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 18:28:39,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 18:28:39,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 18:28:39,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 18:28:39,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 18:28:39,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 18:28:39,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 18:28:39,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 18:28:39,074 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 [2019-08-10 18:28:39,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 18:28:39,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 18:28:39,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 18:28:39,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 18:28:39,091 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 18:28:39,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 18:28:39,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 18:28:39,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 18:28:39,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 18:28:39,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 18:28:39,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 18:28:39,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 18:28:39,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 18:28:39,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 18:28:39,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 18:28:39,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 18:28:39,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 18:28:39,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 18:28:39,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 18:28:39,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 18:28:39,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 18:28:39,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 18:28:39,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 18:28:39,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 18:28:39,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 18:28:39,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 18:28:39,096 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-10 18:28:39,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 18:28:39,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 18:28:39,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 18:28:39,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 18:28:39,162 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 18:28:39,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-08-10 18:28:39,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6c81d54/f3fe7f52d5a348ba8a6a8342f85f1377/FLAG1b4483a4c [2019-08-10 18:28:40,047 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 18:28:40,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-08-10 18:28:40,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6c81d54/f3fe7f52d5a348ba8a6a8342f85f1377/FLAG1b4483a4c [2019-08-10 18:28:40,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6c81d54/f3fe7f52d5a348ba8a6a8342f85f1377 [2019-08-10 18:28:40,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 18:28:40,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 18:28:40,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 18:28:40,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 18:28:40,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 18:28:40,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:28:40" (1/1) ... [2019-08-10 18:28:40,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77974cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:40, skipping insertion in model container [2019-08-10 18:28:40,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:28:40" (1/1) ... [2019-08-10 18:28:40,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 18:28:40,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 18:28:42,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 18:28:42,494 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 18:28:42,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 18:28:43,145 INFO L192 MainTranslator]: Completed translation [2019-08-10 18:28:43,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43 WrapperNode [2019-08-10 18:28:43,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 18:28:43,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 18:28:43,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 18:28:43,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 18:28:43,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (1/1) ... [2019-08-10 18:28:43,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 18:28:43,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 18:28:43,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 18:28:43,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 18:28:43,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:28:43" (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 [2019-08-10 18:28:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 18:28:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 18:28:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-10 18:28:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-08-10 18:28:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-08-10 18:28:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-08-10 18:28:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-08-10 18:28:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-08-10 18:28:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-08-10 18:28:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-08-10 18:28:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-08-10 18:28:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-08-10 18:28:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-08-10 18:28:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-08-10 18:28:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-08-10 18:28:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-08-10 18:28:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-08-10 18:28:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-08-10 18:28:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-08-10 18:28:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-08-10 18:28:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2019-08-10 18:28:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-08-10 18:28:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-08-10 18:28:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-08-10 18:28:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-08-10 18:28:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-08-10 18:28:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_open [2019-08-10 18:28:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_read [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_write [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_receive [2019-08-10 18:28:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_wakeup [2019-08-10 18:28:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_init [2019-08-10 18:28:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_ioctl [2019-08-10 18:28:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_process [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_txmunge [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_send [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_flush_output [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_input [2019-08-10 18:28:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_cleanup [2019-08-10 18:28:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-10 18:28:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-08-10 18:28:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 18:28:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-08-10 18:28:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-08-10 18:28:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-08-10 18:28:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-08-10 18:28:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-08-10 18:28:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-08-10 18:28:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-08-10 18:28:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-08-10 18:28:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-08-10 18:28:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-08-10 18:28:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-08-10 18:28:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-08-10 18:28:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-08-10 18:28:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-08-10 18:28:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-08-10 18:28:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-08-10 18:28:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-08-10 18:28:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-08-10 18:28:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-08-10 18:28:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-10 18:28:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-08-10 18:28:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-08-10 18:28:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_trylock_bh [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-08-10 18:28:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-08-10 18:28:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-08-10 18:28:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-08-10 18:28:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-08-10 18:28:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-08-10 18:28:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-08-10 18:28:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-10 18:28:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-08-10 18:28:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-08-10 18:28:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-08-10 18:28:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-08-10 18:28:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-08-10 18:28:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-10 18:28:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-08-10 18:28:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-08-10 18:28:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-08-10 18:28:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-08-10 18:28:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-08-10 18:28:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-08-10 18:28:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-08-10 18:28:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-08-10 18:28:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-08-10 18:28:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-08-10 18:28:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-08-10 18:28:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-08-10 18:28:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-08-10 18:28:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-08-10 18:28:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-08-10 18:28:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-08-10 18:28:43,514 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-10 18:28:43,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-10 18:28:43,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-08-10 18:28:43,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-08-10 18:28:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-08-10 18:28:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 18:28:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-08-10 18:28:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-08-10 18:28:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-08-10 18:28:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-08-10 18:28:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-08-10 18:28:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-08-10 18:28:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_trylock_bh [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-08-10 18:28:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-08-10 18:28:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 18:28:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-08-10 18:28:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-08-10 18:28:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-08-10 18:28:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-10 18:28:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-08-10 18:28:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-08-10 18:28:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-08-10 18:28:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-08-10 18:28:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-08-10 18:28:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-08-10 18:28:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-08-10 18:28:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-08-10 18:28:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-08-10 18:28:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-08-10 18:28:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-08-10 18:28:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-08-10 18:28:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-08-10 18:28:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-08-10 18:28:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-10 18:28:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-10 18:28:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-08-10 18:28:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-08-10 18:28:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_txmunge [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_send [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_ioctl [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_process [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_flush_output [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_input [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2019-08-10 18:28:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2019-08-10 18:28:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_open [2019-08-10 18:28:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2019-08-10 18:28:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2019-08-10 18:28:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_read [2019-08-10 18:28:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_write [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_receive [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_wakeup [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_init [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_cleanup [2019-08-10 18:28:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-08-10 18:28:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-10 18:28:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-08-10 18:28:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-08-10 18:28:44,215 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-08-10 18:28:48,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 18:28:48,185 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-10 18:28:48,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:28:48 BoogieIcfgContainer [2019-08-10 18:28:48,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 18:28:48,188 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 18:28:48,188 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 18:28:48,188 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 18:28:48,189 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:28:48" (1/1) ... [2019-08-10 18:29:03,467 WARN L188 SmtUtils]: Spent 10.25 s on a formula simplification that was a NOOP. DAG size: 526 [2019-08-10 18:29:09,240 WARN L188 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 511 DAG size of output: 467 [2019-08-10 18:29:11,507 WARN L188 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 466 [2019-08-10 18:29:13,497 WARN L188 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 465 [2019-08-10 18:29:21,464 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-08-10 18:29:48,502 WARN L188 SmtUtils]: Spent 26.72 s on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-08-10 18:30:01,409 WARN L188 SmtUtils]: Spent 12.79 s on a formula simplification that was a NOOP. DAG size: 547 [2019-08-10 18:30:13,884 WARN L188 SmtUtils]: Spent 12.36 s on a formula simplification that was a NOOP. DAG size: 544 [2019-08-10 18:31:01,629 WARN L188 SmtUtils]: Spent 47.54 s on a formula simplification. DAG size of input: 577 DAG size of output: 576 [2019-08-10 18:31:25,539 WARN L188 SmtUtils]: Spent 23.79 s on a formula simplification that was a NOOP. DAG size: 573 [2019-08-10 18:31:49,505 WARN L188 SmtUtils]: Spent 23.83 s on a formula simplification that was a NOOP. DAG size: 570 [2019-08-10 18:32:13,578 WARN L188 SmtUtils]: Spent 23.96 s on a formula simplification that was a NOOP. DAG size: 567 [2019-08-10 18:32:37,156 WARN L188 SmtUtils]: Spent 23.46 s on a formula simplification that was a NOOP. DAG size: 564 [2019-08-10 18:33:00,514 WARN L188 SmtUtils]: Spent 23.25 s on a formula simplification that was a NOOP. DAG size: 561 [2019-08-10 18:34:37,484 WARN L188 SmtUtils]: Spent 1.61 m on a formula simplification. DAG size of input: 616 DAG size of output: 615 [2019-08-10 18:35:25,947 WARN L188 SmtUtils]: Spent 48.33 s on a formula simplification that was a NOOP. DAG size: 612 [2019-08-10 18:36:14,744 WARN L188 SmtUtils]: Spent 48.68 s on a formula simplification that was a NOOP. DAG size: 609 [2019-08-10 18:37:03,272 WARN L188 SmtUtils]: Spent 48.40 s on a formula simplification that was a NOOP. DAG size: 606 [2019-08-10 18:37:51,999 WARN L188 SmtUtils]: Spent 48.60 s on a formula simplification that was a NOOP. DAG size: 603 [2019-08-10 18:38:41,310 WARN L188 SmtUtils]: Spent 49.19 s on a formula simplification that was a NOOP. DAG size: 600 [2019-08-10 18:39:31,057 WARN L188 SmtUtils]: Spent 49.62 s on a formula simplification that was a NOOP. DAG size: 597 [2019-08-10 18:40:22,443 WARN L188 SmtUtils]: Spent 51.26 s on a formula simplification that was a NOOP. DAG size: 594 [2019-08-10 18:41:13,454 WARN L188 SmtUtils]: Spent 50.87 s on a formula simplification that was a NOOP. DAG size: 591 [2019-08-10 18:42:04,535 WARN L188 SmtUtils]: Spent 50.91 s on a formula simplification that was a NOOP. DAG size: 588