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 0.1.24-55cd5f5 [2019-08-15 13:02:38,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 13:02:38,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 13:02:38,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 13:02:38,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 13:02:38,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 13:02:38,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 13:02:38,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 13:02:38,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 13:02:38,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 13:02:38,564 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 13:02:38,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 13:02:38,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 13:02:38,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 13:02:38,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 13:02:38,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 13:02:38,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 13:02:38,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 13:02:38,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 13:02:38,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 13:02:38,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 13:02:38,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 13:02:38,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 13:02:38,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 13:02:38,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 13:02:38,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 13:02:38,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 13:02:38,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 13:02:38,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 13:02:38,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 13:02:38,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 13:02:38,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 13:02:38,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 13:02:38,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 13:02:38,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 13:02:38,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 13:02:38,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 13:02:38,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 13:02:38,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 13:02:38,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 13:02:38,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 13:02:38,599 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 [2019-08-15 13:02:38,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 13:02:38,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 13:02:38,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 13:02:38,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 13:02:38,624 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 13:02:38,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 13:02:38,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 13:02:38,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 13:02:38,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 13:02:38,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 13:02:38,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 13:02:38,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 13:02:38,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 13:02:38,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 13:02:38,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 13:02:38,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 13:02:38,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 13:02:38,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 13:02:38,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 13:02:38,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 13:02:38,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 13:02:38,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 13:02:38,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 13:02:38,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 13:02:38,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 13:02:38,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 13:02:38,629 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-15 13:02:38,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 13:02:38,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 13:02:38,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 13:02:38,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 13:02:38,675 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 13:02:38,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-08-15 13:02:38,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462928f8/27c1965a2b2049d4925301ab1c71fcc9/FLAG1eaffe8d0 [2019-08-15 13:02:39,599 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 13:02:39,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-08-15 13:02:39,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462928f8/27c1965a2b2049d4925301ab1c71fcc9/FLAG1eaffe8d0 [2019-08-15 13:02:40,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4462928f8/27c1965a2b2049d4925301ab1c71fcc9 [2019-08-15 13:02:40,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 13:02:40,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 13:02:40,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 13:02:40,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 13:02:40,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 13:02:40,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 01:02:40" (1/1) ... [2019-08-15 13:02:40,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399a6d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:40, skipping insertion in model container [2019-08-15 13:02:40,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 01:02:40" (1/1) ... [2019-08-15 13:02:40,044 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 13:02:40,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 13:02:41,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 13:02:41,857 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 13:02:42,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 13:02:42,450 INFO L192 MainTranslator]: Completed translation [2019-08-15 13:02:42,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42 WrapperNode [2019-08-15 13:02:42,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 13:02:42,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 13:02:42,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 13:02:42,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 13:02:42,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (1/1) ... [2019-08-15 13:02:42,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 13:02:42,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 13:02:42,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 13:02:42,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 13:02:42,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 01:02:42" (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 [2019-08-15 13:02:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 13:02:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 13:02:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-15 13:02:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-08-15 13:02:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-08-15 13:02:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-08-15 13:02:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-08-15 13:02:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-08-15 13:02:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-08-15 13:02:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-08-15 13:02:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-08-15 13:02:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-08-15 13:02:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-08-15 13:02:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-08-15 13:02:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-08-15 13:02:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-08-15 13:02:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-08-15 13:02:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-08-15 13:02:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-08-15 13:02:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-08-15 13:02:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-08-15 13:02:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-08-15 13:02:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-08-15 13:02:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-08-15 13:02:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-08-15 13:02:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-08-15 13:02:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-08-15 13:02:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-08-15 13:02:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-08-15 13:02:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-08-15 13:02:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-08-15 13:02:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-08-15 13:02:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-08-15 13:02:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-08-15 13:02:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-08-15 13:02:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-08-15 13:02:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-08-15 13:02:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-08-15 13:02:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-08-15 13:02:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-08-15 13:02:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-08-15 13:02:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-08-15 13:02:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-08-15 13:02:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_open [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2019-08-15 13:02:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2019-08-15 13:02:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_read [2019-08-15 13:02:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_write [2019-08-15 13:02:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2019-08-15 13:02:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2019-08-15 13:02:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_receive [2019-08-15 13:02:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_wakeup [2019-08-15 13:02:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_init [2019-08-15 13:02:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_ioctl [2019-08-15 13:02:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_process [2019-08-15 13:02:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_encode [2019-08-15 13:02:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_send [2019-08-15 13:02:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2019-08-15 13:02:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_flush_output [2019-08-15 13:02:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_ordinary [2019-08-15 13:02:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure process_input_packet [2019-08-15 13:02:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_input [2019-08-15 13:02:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2019-08-15 13:02:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_cleanup [2019-08-15 13:02:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-15 13:02:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-08-15 13:02:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 13:02:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-08-15 13:02:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-08-15 13:02:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-08-15 13:02:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-08-15 13:02:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-08-15 13:02:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-08-15 13:02:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-08-15 13:02:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-08-15 13:02:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-08-15 13:02:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-08-15 13:02:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-08-15 13:02:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2019-08-15 13:02:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-08-15 13:02:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-08-15 13:02:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-08-15 13:02:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-08-15 13:02:42,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-15 13:02:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-08-15 13:02:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-08-15 13:02:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-08-15 13:02:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-08-15 13:02:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-08-15 13:02:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-08-15 13:02:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-08-15 13:02:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-08-15 13:02:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-08-15 13:02:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-08-15 13:02:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-08-15 13:02:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-08-15 13:02:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-08-15 13:02:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-08-15 13:02:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-15 13:02:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-08-15 13:02:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-08-15 13:02:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-08-15 13:02:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-08-15 13:02:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-08-15 13:02:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-08-15 13:02:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-08-15 13:02:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tty [2019-08-15 13:02:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tty [2019-08-15 13:02:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-08-15 13:02:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-08-15 13:02:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-08-15 13:02:42,861 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-08-15 13:02:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-08-15 13:02:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-08-15 13:02:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-08-15 13:02:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 13:02:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-08-15 13:02:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-08-15 13:02:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-08-15 13:02:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-08-15 13:02:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-08-15 13:02:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-08-15 13:02:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-08-15 13:02:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-08-15 13:02:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-08-15 13:02:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-08-15 13:02:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-08-15 13:02:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-08-15 13:02:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-08-15 13:02:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-08-15 13:02:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-08-15 13:02:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-08-15 13:02:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-08-15 13:02:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-15 13:02:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-08-15 13:02:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-08-15 13:02:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-15 13:02:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-08-15 13:02:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-08-15 13:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tty [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure start_tty [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-08-15 13:02:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-08-15 13:02:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-08-15 13:02:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-08-15 13:02:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-08-15 13:02:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-08-15 13:02:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2019-08-15 13:02:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-08-15 13:02:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-08-15 13:02:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-08-15 13:02:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-08-15 13:02:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-15 13:02:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-15 13:02:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_encode [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_send [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_flush_output [2019-08-15 13:02:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_input [2019-08-15 13:02:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_ioctl [2019-08-15 13:02:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_process [2019-08-15 13:02:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2019-08-15 13:02:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2019-08-15 13:02:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_open [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_read [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_write [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2019-08-15 13:02:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_receive [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_wakeup [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_init [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure scan_ordinary [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure process_input_packet [2019-08-15 13:02:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_cleanup [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-08-15 13:02:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-08-15 13:02:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-08-15 13:02:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-08-15 13:02:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-08-15 13:02:44,446 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-08-15 13:02:48,539 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 13:02:48,540 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-15 13:02:48,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 01:02:48 BoogieIcfgContainer [2019-08-15 13:02:48,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 13:02:48,543 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 13:02:48,544 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 13:02:48,544 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 13:02:48,545 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 01:02:48" (1/1) ... [2019-08-15 13:02:53,152 WARN L188 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 441 [2019-08-15 13:02:57,069 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 430 DAG size of output: 402 [2019-08-15 13:02:58,695 WARN L188 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 401 [2019-08-15 13:03:00,339 WARN L188 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 400 [2019-08-15 13:03:25,133 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-08-15 13:03:49,228 WARN L188 SmtUtils]: Spent 23.78 s on a formula simplification. DAG size of input: 487 DAG size of output: 485 [2019-08-15 13:04:00,069 WARN L188 SmtUtils]: Spent 10.73 s on a formula simplification that was a NOOP. DAG size: 482 [2019-08-15 13:04:11,218 WARN L188 SmtUtils]: Spent 11.04 s on a formula simplification that was a NOOP. DAG size: 479 [2019-08-15 13:04:52,849 WARN L188 SmtUtils]: Spent 41.45 s on a formula simplification. DAG size of input: 512 DAG size of output: 511 [2019-08-15 13:05:13,723 WARN L188 SmtUtils]: Spent 20.77 s on a formula simplification that was a NOOP. DAG size: 508 [2019-08-15 13:05:34,486 WARN L188 SmtUtils]: Spent 20.66 s on a formula simplification that was a NOOP. DAG size: 505 [2019-08-15 13:05:55,246 WARN L188 SmtUtils]: Spent 20.65 s on a formula simplification that was a NOOP. DAG size: 502 [2019-08-15 13:06:15,926 WARN L188 SmtUtils]: Spent 20.56 s on a formula simplification that was a NOOP. DAG size: 499 [2019-08-15 13:06:36,124 WARN L188 SmtUtils]: Spent 20.10 s on a formula simplification that was a NOOP. DAG size: 496 [2019-08-15 13:08:00,741 WARN L188 SmtUtils]: Spent 1.41 m on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2019-08-15 13:08:43,301 WARN L188 SmtUtils]: Spent 42.44 s on a formula simplification that was a NOOP. DAG size: 547 [2019-08-15 13:09:25,427 WARN L188 SmtUtils]: Spent 42.02 s on a formula simplification that was a NOOP. DAG size: 544 [2019-08-15 13:10:07,742 WARN L188 SmtUtils]: Spent 42.20 s on a formula simplification that was a NOOP. DAG size: 541 [2019-08-15 13:10:50,194 WARN L188 SmtUtils]: Spent 42.29 s on a formula simplification that was a NOOP. DAG size: 538 [2019-08-15 13:11:32,259 WARN L188 SmtUtils]: Spent 41.93 s on a formula simplification that was a NOOP. DAG size: 535 [2019-08-15 13:12:14,018 WARN L188 SmtUtils]: Spent 41.65 s on a formula simplification that was a NOOP. DAG size: 532 [2019-08-15 13:12:55,998 WARN L188 SmtUtils]: Spent 41.86 s on a formula simplification that was a NOOP. DAG size: 529 [2019-08-15 13:13:37,756 WARN L188 SmtUtils]: Spent 41.64 s on a formula simplification that was a NOOP. DAG size: 526 [2019-08-15 13:14:19,590 WARN L188 SmtUtils]: Spent 41.72 s on a formula simplification that was a NOOP. DAG size: 523 [2019-08-15 13:15:01,065 WARN L188 SmtUtils]: Spent 41.37 s on a formula simplification that was a NOOP. DAG size: 520 [2019-08-15 13:15:42,500 WARN L188 SmtUtils]: Spent 41.33 s on a formula simplification that was a NOOP. DAG size: 517 [2019-08-15 13:15:43,070 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-08-15 13:15:43,331 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-15 13:15:43,584 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-08-15 13:15:45,071 WARN L188 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2019-08-15 13:15:45,818 WARN L188 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-15 13:15:46,541 WARN L188 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-15 13:15:47,230 WARN L188 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-15 13:15:47,955 WARN L188 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-15 13:15:48,620 WARN L188 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-15 13:15:52,550 WARN L188 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2019-08-15 13:15:54,492 WARN L188 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 127 [2019-08-15 13:15:56,386 WARN L188 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 124 [2019-08-15 13:15:58,319 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 121 [2019-08-15 13:16:00,163 WARN L188 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 117 [2019-08-15 13:16:02,080 WARN L188 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 114 [2019-08-15 13:16:03,939 WARN L188 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 111