java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 18:54:36,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 18:54:36,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 18:54:36,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 18:54:36,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 18:54:36,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 18:54:36,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 18:54:36,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 18:54:36,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 18:54:36,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 18:54:36,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 18:54:36,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 18:54:36,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 18:54:36,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 18:54:36,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 18:54:36,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 18:54:36,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 18:54:36,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 18:54:36,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 18:54:36,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 18:54:36,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 18:54:36,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 18:54:36,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 18:54:36,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 18:54:36,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 18:54:36,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 18:54:36,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 18:54:36,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 18:54:36,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 18:54:36,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 18:54:36,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 18:54:36,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 18:54:36,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 18:54:36,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 18:54:36,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 18:54:36,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 18:54:36,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 18:54:36,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 18:54:36,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 18:54:36,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 18:54:36,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 18:54:36,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 18:54:36,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 18:54:36,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 18:54:36,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 18:54:36,571 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 18:54:36,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 18:54:36,571 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 18:54:36,572 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 18:54:36,572 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 18:54:36,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 18:54:36,572 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 18:54:36,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 18:54:36,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 18:54:36,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 18:54:36,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 18:54:36,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 18:54:36,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 18:54:36,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 18:54:36,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 18:54:36,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 18:54:36,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 18:54:36,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 18:54:36,575 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 18:54:36,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 18:54:36,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 18:54:36,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 18:54:36,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 18:54:36,576 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 18:54:36,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 18:54:36,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 18:54:36,577 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 18:54:36,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 18:54:36,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 18:54:36,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 18:54:36,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 18:54:36,623 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 18:54:36,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-09-11 18:54:36,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988b9d918/c372dd6b2495406498e5338680b67f6d/FLAGb1ff83b95 [2019-09-11 18:54:37,460 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 18:54:37,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-09-11 18:54:37,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988b9d918/c372dd6b2495406498e5338680b67f6d/FLAGb1ff83b95 [2019-09-11 18:54:37,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988b9d918/c372dd6b2495406498e5338680b67f6d [2019-09-11 18:54:37,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 18:54:37,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 18:54:37,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 18:54:37,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 18:54:37,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 18:54:37,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 06:54:37" (1/1) ... [2019-09-11 18:54:37,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67271536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:37, skipping insertion in model container [2019-09-11 18:54:37,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 06:54:37" (1/1) ... [2019-09-11 18:54:37,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 18:54:37,728 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 18:54:39,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 18:54:39,494 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 18:54:39,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 18:54:39,961 INFO L192 MainTranslator]: Completed translation [2019-09-11 18:54:39,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39 WrapperNode [2019-09-11 18:54:39,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 18:54:39,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 18:54:39,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 18:54:39,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 18:54:39,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:39,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (1/1) ... [2019-09-11 18:54:40,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 18:54:40,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 18:54:40,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 18:54:40,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 18:54:40,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:54:39" (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 [2019-09-11 18:54:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 18:54:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 18:54:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-11 18:54:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-11 18:54:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-11 18:54:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-11 18:54:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-11 18:54:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-11 18:54:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-11 18:54:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-11 18:54:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-11 18:54:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-11 18:54:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-09-11 18:54:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-09-11 18:54:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-11 18:54:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-11 18:54:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-11 18:54:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-11 18:54:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-11 18:54:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-11 18:54:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-11 18:54:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-11 18:54:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-11 18:54:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-11 18:54:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-11 18:54:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-11 18:54:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-11 18:54:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-11 18:54:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-11 18:54:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-11 18:54:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-11 18:54:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-11 18:54:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-11 18:54:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2019-09-11 18:54:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-09-11 18:54:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-09-11 18:54:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2019-09-11 18:54:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2019-09-11 18:54:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_open [2019-09-11 18:54:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2019-09-11 18:54:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2019-09-11 18:54:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_read [2019-09-11 18:54:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_write [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_receive [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_wakeup [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_init [2019-09-11 18:54:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_ioctl [2019-09-11 18:54:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_process [2019-09-11 18:54:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_encode [2019-09-11 18:54:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_send [2019-09-11 18:54:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2019-09-11 18:54:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_flush_output [2019-09-11 18:54:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_ordinary [2019-09-11 18:54:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure process_input_packet [2019-09-11 18:54:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_input [2019-09-11 18:54:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2019-09-11 18:54:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_cleanup [2019-09-11 18:54:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-09-11 18:54:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-09-11 18:54:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 18:54:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-11 18:54:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-11 18:54:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-11 18:54:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-11 18:54:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-11 18:54:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-09-11 18:54:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-11 18:54:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-09-11 18:54:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-09-11 18:54:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-09-11 18:54:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-09-11 18:54:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2019-09-11 18:54:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-11 18:54:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-11 18:54:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-11 18:54:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-11 18:54:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-11 18:54:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-11 18:54:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-09-11 18:54:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-09-11 18:54:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-11 18:54:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-11 18:54:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-11 18:54:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-11 18:54:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-11 18:54:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-11 18:54:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-09-11 18:54:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-09-11 18:54:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-09-11 18:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-11 18:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-11 18:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-09-11 18:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-11 18:54:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-09-11 18:54:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-09-11 18:54:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-09-11 18:54:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-11 18:54:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-11 18:54:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-09-11 18:54:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-11 18:54:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-11 18:54:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tty [2019-09-11 18:54:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tty [2019-09-11 18:54:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-11 18:54:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-11 18:54:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-11 18:54:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-11 18:54:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-11 18:54:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-11 18:54:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 18:54:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-11 18:54:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-11 18:54:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-11 18:54:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-11 18:54:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-11 18:54:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-11 18:54:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-09-11 18:54:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-11 18:54:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-11 18:54:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-09-11 18:54:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-11 18:54:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-11 18:54:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2019-09-11 18:54:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-11 18:54:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-11 18:54:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-09-11 18:54:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tty [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure start_tty [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-11 18:54:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-11 18:54:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-11 18:54:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_encode [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_send [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2019-09-11 18:54:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_flush_output [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_input [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_ioctl [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_process [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_open [2019-09-11 18:54:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_read [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_write [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_receive [2019-09-11 18:54:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_wakeup [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_init [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure scan_ordinary [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure process_input_packet [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_cleanup [2019-09-11 18:54:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-11 18:54:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-11 18:54:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-11 18:54:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-11 18:54:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-11 18:54:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-11 18:54:41,693 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-11 18:54:45,452 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 18:54:45,452 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-11 18:54:45,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 06:54:45 BoogieIcfgContainer [2019-09-11 18:54:45,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 18:54:45,455 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 18:54:45,455 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 18:54:45,456 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 18:54:45,456 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 06:54:45" (1/1) ... [2019-09-11 18:54:45,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 18:54:45,591 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 18:54:45,597 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 59 root evaluator evaluations with a maximum evaluation depth of 0. Performed 59 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 190 variables. [2019-09-11 18:54:45,598 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 18:54:45,600 INFO L168 Benchmark]: Toolchain (without parser) took 8043.16 ms. Allocated memory was 131.6 MB in the beginning and 364.9 MB in the end (delta: 233.3 MB). Free memory was 78.2 MB in the beginning and 175.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,602 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2400.19 ms. Allocated memory was 131.6 MB in the beginning and 268.4 MB in the end (delta: 136.8 MB). Free memory was 77.7 MB in the beginning and 205.0 MB in the end (delta: -127.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,603 INFO L168 Benchmark]: Boogie Preprocessor took 292.78 ms. Allocated memory is still 268.4 MB. Free memory was 205.0 MB in the beginning and 188.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,604 INFO L168 Benchmark]: RCFGBuilder took 5198.88 ms. Allocated memory was 268.4 MB in the beginning and 364.9 MB in the end (delta: 96.5 MB). Free memory was 188.8 MB in the beginning and 183.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,605 INFO L168 Benchmark]: Abstract Interpretation took 142.52 ms. Allocated memory is still 364.9 MB. Free memory was 183.5 MB in the beginning and 175.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-11 18:54:45,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2400.19 ms. Allocated memory was 131.6 MB in the beginning and 268.4 MB in the end (delta: 136.8 MB). Free memory was 77.7 MB in the beginning and 205.0 MB in the end (delta: -127.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 292.78 ms. Allocated memory is still 268.4 MB. Free memory was 205.0 MB in the beginning and 188.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5198.88 ms. Allocated memory was 268.4 MB in the beginning and 364.9 MB in the end (delta: 96.5 MB). Free memory was 188.8 MB in the beginning and 183.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 142.52 ms. Allocated memory is still 364.9 MB. Free memory was 183.5 MB in the beginning and 175.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 5659]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...