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_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 17:33:07,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 17:33:07,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 17:33:07,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 17:33:07,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 17:33:07,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 17:33:07,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 17:33:07,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 17:33:07,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 17:33:07,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 17:33:07,449 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 17:33:07,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 17:33:07,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 17:33:07,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 17:33:07,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 17:33:07,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 17:33:07,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 17:33:07,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 17:33:07,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 17:33:07,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 17:33:07,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 17:33:07,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 17:33:07,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 17:33:07,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 17:33:07,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 17:33:07,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 17:33:07,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 17:33:07,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 17:33:07,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 17:33:07,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 17:33:07,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 17:33:07,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 17:33:07,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 17:33:07,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 17:33:07,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 17:33:07,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 17:33:07,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 17:33:07,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 17:33:07,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 17:33:07,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 17:33:07,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 17:33:07,478 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 17:33:07,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 17:33:07,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 17:33:07,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 17:33:07,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 17:33:07,496 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 17:33:07,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 17:33:07,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 17:33:07,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 17:33:07,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 17:33:07,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 17:33:07,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 17:33:07,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 17:33:07,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 17:33:07,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 17:33:07,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 17:33:07,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 17:33:07,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 17:33:07,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 17:33:07,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 17:33:07,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 17:33:07,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 17:33:07,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 17:33:07,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 17:33:07,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 17:33:07,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 17:33:07,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 17:33:07,501 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-08 17:33:07,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 17:33:07,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 17:33:07,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 17:33:07,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 17:33:07,562 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 17:33:07,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-08-08 17:33:07,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f99434/449f9742100b46dba1769f559c86152b/FLAGb5c65e7a2 [2019-08-08 17:33:08,498 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 17:33:08,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-08-08 17:33:08,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f99434/449f9742100b46dba1769f559c86152b/FLAGb5c65e7a2 [2019-08-08 17:33:09,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f99434/449f9742100b46dba1769f559c86152b [2019-08-08 17:33:09,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 17:33:09,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 17:33:09,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 17:33:09,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 17:33:09,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 17:33:09,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:33:09" (1/1) ... [2019-08-08 17:33:09,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528d21ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:09, skipping insertion in model container [2019-08-08 17:33:09,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:33:09" (1/1) ... [2019-08-08 17:33:09,051 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 17:33:09,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 17:33:11,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 17:33:11,048 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 17:33:11,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 17:33:11,716 INFO L192 MainTranslator]: Completed translation [2019-08-08 17:33:11,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11 WrapperNode [2019-08-08 17:33:11,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 17:33:11,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 17:33:11,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 17:33:11,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 17:33:11,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:11,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:11,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:11,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:11,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:12,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:12,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (1/1) ... [2019-08-08 17:33:12,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 17:33:12,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 17:33:12,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 17:33:12,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 17:33:12,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:33:11" (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 17:33:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 17:33:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 17:33:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-08 17:33:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-08-08 17:33:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-08-08 17:33:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-08-08 17:33:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-08-08 17:33:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-08-08 17:33:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-08-08 17:33:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-08-08 17:33:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-08-08 17:33:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-08-08 17:33:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-08-08 17:33:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-08-08 17:33:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-08-08 17:33:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-08-08 17:33:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-08-08 17:33:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-08-08 17:33:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-08-08 17:33:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-08-08 17:33:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-08-08 17:33:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-08-08 17:33:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-08-08 17:33:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-08-08 17:33:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-08-08 17:33:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-08-08 17:33:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-08-08 17:33:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-08-08 17:33:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-08-08 17:33:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-08-08 17:33:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-08 17:33:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-08-08 17:33:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-08-08 17:33:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-08-08 17:33:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_open [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_read [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_write [2019-08-08 17:33:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2019-08-08 17:33:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2019-08-08 17:33:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_receive [2019-08-08 17:33:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_wakeup [2019-08-08 17:33:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_init [2019-08-08 17:33:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_ioctl [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_process [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_encode [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_send [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_flush_output [2019-08-08 17:33:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_ordinary [2019-08-08 17:33:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure process_input_packet [2019-08-08 17:33:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_input [2019-08-08 17:33:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2019-08-08 17:33:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_cleanup [2019-08-08 17:33:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-08 17:33:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-08-08 17:33:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 17:33:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-08-08 17:33:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-08-08 17:33:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-08-08 17:33:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-08-08 17:33:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-08-08 17:33:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-08-08 17:33:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2019-08-08 17:33:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-08-08 17:33:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-08-08 17:33:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-08-08 17:33:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-08-08 17:33:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-08-08 17:33:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-08-08 17:33:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-08-08 17:33:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-08-08 17:33:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-08-08 17:33:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-08-08 17:33:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-08-08 17:33:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-08-08 17:33:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-08-08 17:33:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-08-08 17:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-08-08 17:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-08-08 17:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-08-08 17:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-08-08 17:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-08-08 17:33:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-08 17:33:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-08-08 17:33:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-08-08 17:33:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-08-08 17:33:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-08-08 17:33:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-08-08 17:33:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-08-08 17:33:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tty [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tty [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-08-08 17:33:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-08 17:33:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-08 17:33:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-08-08 17:33:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-08-08 17:33:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 17:33:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-08-08 17:33:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-08-08 17:33:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-08-08 17:33:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-08-08 17:33:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-08-08 17:33:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-08-08 17:33:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-08-08 17:33:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-08 17:33:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-08-08 17:33:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-08-08 17:33:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-08 17:33:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-08-08 17:33:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-08-08 17:33:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-08-08 17:33:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-08-08 17:33:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-08-08 17:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tty [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure start_tty [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-08-08 17:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-08-08 17:33:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-08-08 17:33:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_encode [2019-08-08 17:33:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_send [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_flush_output [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_input [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_ioctl [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_process [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2019-08-08 17:33:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_open [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_read [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_write [2019-08-08 17:33:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_receive [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_wakeup [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_init [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-08 17:33:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure scan_ordinary [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure process_input_packet [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_cleanup [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-08-08 17:33:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-08-08 17:33:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-08 17:33:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 17:33:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 17:33:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-08-08 17:33:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-08-08 17:33:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-08-08 17:33:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-08-08 17:33:14,333 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-08-08 17:33:20,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 17:33:20,225 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-08 17:33:20,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:33:20 BoogieIcfgContainer [2019-08-08 17:33:20,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 17:33:20,227 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 17:33:20,228 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 17:33:20,228 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 17:33:20,229 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:33:20" (1/1) ... [2019-08-08 17:33:20,240 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 17:33:20,242 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 17:33:20,254 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 17:33:20,261 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 17:33:20,263 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 17:33:20,337 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 468 [2019-08-08 17:33:48,279 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 17:33:48,286 INFO L168 Benchmark]: Toolchain (without parser) took 39251.42 ms. Allocated memory was 139.5 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 78.9 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,287 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2683.09 ms. Allocated memory was 139.5 MB in the beginning and 271.6 MB in the end (delta: 132.1 MB). Free memory was 78.5 MB in the beginning and 206.2 MB in the end (delta: -127.7 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,291 INFO L168 Benchmark]: Boogie Preprocessor took 365.01 ms. Allocated memory is still 271.6 MB. Free memory was 206.2 MB in the beginning and 190.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,294 INFO L168 Benchmark]: RCFGBuilder took 8142.32 ms. Allocated memory was 271.6 MB in the beginning and 361.2 MB in the end (delta: 89.7 MB). Free memory was 190.3 MB in the beginning and 182.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,295 INFO L168 Benchmark]: Symbolic Interpretation took 28056.04 ms. Allocated memory was 361.2 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 182.4 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-08 17:33:48,307 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 139.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2683.09 ms. Allocated memory was 139.5 MB in the beginning and 271.6 MB in the end (delta: 132.1 MB). Free memory was 78.5 MB in the beginning and 206.2 MB in the end (delta: -127.7 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 365.01 ms. Allocated memory is still 271.6 MB. Free memory was 206.2 MB in the beginning and 190.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8142.32 ms. Allocated memory was 271.6 MB in the beginning and 361.2 MB in the end (delta: 89.7 MB). Free memory was 190.3 MB in the beginning and 182.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 28056.04 ms. Allocated memory was 361.2 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 182.4 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...