java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:27:51,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:27:51,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:27:51,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:27:51,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:27:51,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:27:51,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:27:51,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:27:51,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:27:51,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:27:51,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:27:51,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:27:51,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:27:51,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:27:51,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:27:51,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:27:51,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:27:51,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:27:51,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:27:51,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:27:51,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:27:51,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:27:51,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:27:51,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:27:51,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:27:51,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:27:51,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:27:51,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:27:51,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:27:51,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:27:51,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:27:51,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:27:51,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:27:51,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:27:51,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:27:51,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:27:51,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:27:51,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:27:51,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:27:51,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:27:51,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:27:51,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 16:27:51,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:27:51,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:27:51,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:27:51,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:27:51,779 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:27:51,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:27:51,779 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:27:51,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:27:51,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:27:51,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:27:51,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:27:51,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:27:51,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:27:51,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:27:51,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:27:51,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:27:51,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:27:51,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:27:51,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:27:51,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:27:51,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:27:51,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:27:51,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:27:51,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:27:51,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:27:51,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:27:51,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:27:51,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:27:51,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:27:51,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:27:51,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:27:51,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:27:51,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:27:51,828 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:27:51,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-09-08 16:27:51,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273745e0/6ac31a26da5e41709e578796c569240a/FLAG42dfc9545 [2019-09-08 16:27:52,629 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:27:52,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-09-08 16:27:52,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273745e0/6ac31a26da5e41709e578796c569240a/FLAG42dfc9545 [2019-09-08 16:27:52,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273745e0/6ac31a26da5e41709e578796c569240a [2019-09-08 16:27:52,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:27:52,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:27:52,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:27:52,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:27:52,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:27:52,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:27:52" (1/1) ... [2019-09-08 16:27:52,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ae743c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:52, skipping insertion in model container [2019-09-08 16:27:52,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:27:52" (1/1) ... [2019-09-08 16:27:52,758 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:27:52,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:27:54,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:27:54,825 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:27:55,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:27:55,516 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:27:55,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55 WrapperNode [2019-09-08 16:27:55,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:27:55,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:27:55,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:27:55,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:27:55,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (1/1) ... [2019-09-08 16:27:55,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:27:55,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:27:55,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:27:55,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:27:55,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (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 [2019-09-08 16:27:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:27:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:27:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 16:27:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 16:27:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 16:27:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 16:27:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 16:27:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 16:27:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 16:27:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-08 16:27:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-08 16:27:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 16:27:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 16:27:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-08 16:27:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:27:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-08 16:27:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 16:27:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-08 16:27:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 16:27:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 16:27:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2019-09-08 16:27:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-08 16:27:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:27:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:27:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 16:27:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 16:27:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-08 16:27:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-08 16:27:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-08 16:27:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:27:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2019-09-08 16:27:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_open [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_read [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_write [2019-09-08 16:27:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_receive [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_wakeup [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_init [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_ioctl [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_process [2019-09-08 16:27:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_txmunge [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_send [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_flush_output [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_input [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_cleanup [2019-09-08 16:27:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:27:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-09-08 16:27:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-09-08 16:27:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-09-08 16:27:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-09-08 16:27:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-09-08 16:27:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-09-08 16:27:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:27:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:27:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:27:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:27:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:27:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:27:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 16:27:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-08 16:27:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 16:27:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 16:27:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_trylock_bh [2019-09-08 16:27:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-08 16:27:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 16:27:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:27:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-09-08 16:27:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-09-08 16:27:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-08 16:27:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 16:27:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-09-08 16:27:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-08 16:27:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-08 16:27:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-09-08 16:27:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:27:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-08 16:27:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-08 16:27:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:27:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-09-08 16:27:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 16:27:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-08 16:27:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-08 16:27:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-08 16:27:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-09-08 16:27:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-09-08 16:27:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-09-08 16:27:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-09-08 16:27:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-09-08 16:27:55,892 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-08 16:27:55,892 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:27:55,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:27:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:27:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:27:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:27:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:27:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-08 16:27:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:27:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_trylock_bh [2019-09-08 16:27:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-09-08 16:27:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:27:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:27:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:27:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:27:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 16:27:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-08 16:27:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:27:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:27:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:27:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:27:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-09-08 16:27:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-08 16:27:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-09-08 16:27:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-09-08 16:27:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-09-08 16:27:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-08 16:27:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-08 16:27:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:27:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:27:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:27:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-09-08 16:27:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-09-08 16:27:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-09-08 16:27:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-09-08 16:27:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-08 16:27:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-08 16:27:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-08 16:27:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-08 16:27:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-09-08 16:27:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-09-08 16:27:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-09-08 16:27:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-09-08 16:27:55,919 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-08 16:27:55,920 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-08 16:27:55,920 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_txmunge [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_send [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_ioctl [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_process [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2019-09-08 16:27:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_flush_output [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_input [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_open [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_read [2019-09-08 16:27:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_write [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_receive [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_wakeup [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_init [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_cleanup [2019-09-08 16:27:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:27:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:27:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:27:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:27:56,604 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:28:00,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:28:00,413 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 16:28:00,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:28:00 BoogieIcfgContainer [2019-09-08 16:28:00,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:28:00,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:28:00,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:28:00,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:28:00,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:27:52" (1/3) ... [2019-09-08 16:28:00,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5910e54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:28:00, skipping insertion in model container [2019-09-08 16:28:00,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:55" (2/3) ... [2019-09-08 16:28:00,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5910e54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:28:00, skipping insertion in model container [2019-09-08 16:28:00,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:28:00" (3/3) ... [2019-09-08 16:28:00,422 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-09-08 16:28:00,431 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:28:00,440 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:28:00,456 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:28:00,490 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:28:00,490 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:28:00,490 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:28:00,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:28:00,491 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:28:00,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:28:00,491 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:28:00,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:28:00,491 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:28:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states. [2019-09-08 16:28:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 16:28:00,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:00,542 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:00,544 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:00,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:00,550 INFO L82 PathProgramCache]: Analyzing trace with hash -99284797, now seen corresponding path program 1 times [2019-09-08 16:28:00,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:00,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:00,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:00,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:00,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-08 16:28:01,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:01,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:01,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:01,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:01,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:01,078 INFO L87 Difference]: Start difference. First operand 995 states. Second operand 3 states. [2019-09-08 16:28:01,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:01,363 INFO L93 Difference]: Finished difference Result 2699 states and 3524 transitions. [2019-09-08 16:28:01,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:01,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-08 16:28:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:01,405 INFO L225 Difference]: With dead ends: 2699 [2019-09-08 16:28:01,405 INFO L226 Difference]: Without dead ends: 1774 [2019-09-08 16:28:01,420 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:01,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2019-09-08 16:28:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1774. [2019-09-08 16:28:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2019-09-08 16:28:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2259 transitions. [2019-09-08 16:28:01,654 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2259 transitions. Word has length 101 [2019-09-08 16:28:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:01,655 INFO L475 AbstractCegarLoop]: Abstraction has 1774 states and 2259 transitions. [2019-09-08 16:28:01,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2259 transitions. [2019-09-08 16:28:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 16:28:01,666 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:01,666 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:01,667 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:01,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1734399447, now seen corresponding path program 1 times [2019-09-08 16:28:01,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:01,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:01,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:01,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:01,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-08 16:28:01,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:01,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:28:01,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:28:01,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:28:01,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:28:01,856 INFO L87 Difference]: Start difference. First operand 1774 states and 2259 transitions. Second operand 6 states. [2019-09-08 16:28:02,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:02,112 INFO L93 Difference]: Finished difference Result 3530 states and 4490 transitions. [2019-09-08 16:28:02,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:28:02,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2019-09-08 16:28:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:02,124 INFO L225 Difference]: With dead ends: 3530 [2019-09-08 16:28:02,124 INFO L226 Difference]: Without dead ends: 1790 [2019-09-08 16:28:02,129 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:28:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2019-09-08 16:28:02,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1779. [2019-09-08 16:28:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2019-09-08 16:28:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2263 transitions. [2019-09-08 16:28:02,200 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2263 transitions. Word has length 105 [2019-09-08 16:28:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:02,201 INFO L475 AbstractCegarLoop]: Abstraction has 1779 states and 2263 transitions. [2019-09-08 16:28:02,202 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:28:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2263 transitions. [2019-09-08 16:28:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 16:28:02,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:02,208 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:02,208 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:02,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:02,208 INFO L82 PathProgramCache]: Analyzing trace with hash -972219947, now seen corresponding path program 1 times [2019-09-08 16:28:02,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:02,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:02,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:02,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:02,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-08 16:28:02,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:02,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:28:02,407 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:28:02,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:28:02,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:28:02,408 INFO L87 Difference]: Start difference. First operand 1779 states and 2263 transitions. Second operand 6 states. [2019-09-08 16:28:03,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:03,598 INFO L93 Difference]: Finished difference Result 5274 states and 6785 transitions. [2019-09-08 16:28:03,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:28:03,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2019-09-08 16:28:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:03,616 INFO L225 Difference]: With dead ends: 5274 [2019-09-08 16:28:03,616 INFO L226 Difference]: Without dead ends: 3510 [2019-09-08 16:28:03,622 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:28:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2019-09-08 16:28:03,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3510. [2019-09-08 16:28:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3510 states. [2019-09-08 16:28:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 4524 transitions. [2019-09-08 16:28:03,787 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 4524 transitions. Word has length 105 [2019-09-08 16:28:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:03,787 INFO L475 AbstractCegarLoop]: Abstraction has 3510 states and 4524 transitions. [2019-09-08 16:28:03,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:28:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 4524 transitions. [2019-09-08 16:28:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-08 16:28:03,796 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:03,796 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:03,797 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:03,797 INFO L82 PathProgramCache]: Analyzing trace with hash -289884447, now seen corresponding path program 1 times [2019-09-08 16:28:03,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:03,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:03,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:03,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:03,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-08 16:28:03,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:03,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:03,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:03,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:03,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:03,909 INFO L87 Difference]: Start difference. First operand 3510 states and 4524 transitions. Second operand 3 states. [2019-09-08 16:28:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:04,151 INFO L93 Difference]: Finished difference Result 8756 states and 11294 transitions. [2019-09-08 16:28:04,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:04,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-09-08 16:28:04,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:04,188 INFO L225 Difference]: With dead ends: 8756 [2019-09-08 16:28:04,188 INFO L226 Difference]: Without dead ends: 5280 [2019-09-08 16:28:04,203 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5280 states. [2019-09-08 16:28:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5280 to 5256. [2019-09-08 16:28:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5256 states. [2019-09-08 16:28:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 6786 transitions. [2019-09-08 16:28:04,455 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 6786 transitions. Word has length 171 [2019-09-08 16:28:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:04,456 INFO L475 AbstractCegarLoop]: Abstraction has 5256 states and 6786 transitions. [2019-09-08 16:28:04,456 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 6786 transitions. [2019-09-08 16:28:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-08 16:28:04,470 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:04,470 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:04,471 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:04,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash -465691413, now seen corresponding path program 1 times [2019-09-08 16:28:04,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:04,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:04,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:04,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:04,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-08 16:28:04,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:04,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:04,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:04,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:04,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:04,752 INFO L87 Difference]: Start difference. First operand 5256 states and 6786 transitions. Second operand 3 states. [2019-09-08 16:28:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:04,969 INFO L93 Difference]: Finished difference Result 12829 states and 16443 transitions. [2019-09-08 16:28:04,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:04,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-09-08 16:28:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:05,013 INFO L225 Difference]: With dead ends: 12829 [2019-09-08 16:28:05,013 INFO L226 Difference]: Without dead ends: 7607 [2019-09-08 16:28:05,033 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:05,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2019-09-08 16:28:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 7577. [2019-09-08 16:28:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7577 states. [2019-09-08 16:28:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 9663 transitions. [2019-09-08 16:28:05,337 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 9663 transitions. Word has length 194 [2019-09-08 16:28:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:05,337 INFO L475 AbstractCegarLoop]: Abstraction has 7577 states and 9663 transitions. [2019-09-08 16:28:05,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 9663 transitions. [2019-09-08 16:28:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-08 16:28:05,448 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:05,448 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:05,449 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:05,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1099759055, now seen corresponding path program 1 times [2019-09-08 16:28:05,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:05,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:05,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:05,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:05,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-08 16:28:05,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:05,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:05,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:05,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:05,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:05,577 INFO L87 Difference]: Start difference. First operand 7577 states and 9663 transitions. Second operand 3 states. [2019-09-08 16:28:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:05,971 INFO L93 Difference]: Finished difference Result 18659 states and 23847 transitions. [2019-09-08 16:28:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:05,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-08 16:28:05,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:06,032 INFO L225 Difference]: With dead ends: 18659 [2019-09-08 16:28:06,033 INFO L226 Difference]: Without dead ends: 11125 [2019-09-08 16:28:06,058 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:06,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11125 states. [2019-09-08 16:28:06,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11125 to 11101. [2019-09-08 16:28:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11101 states. [2019-09-08 16:28:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11101 states to 11101 states and 14109 transitions. [2019-09-08 16:28:06,619 INFO L78 Accepts]: Start accepts. Automaton has 11101 states and 14109 transitions. Word has length 209 [2019-09-08 16:28:06,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:06,619 INFO L475 AbstractCegarLoop]: Abstraction has 11101 states and 14109 transitions. [2019-09-08 16:28:06,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11101 states and 14109 transitions. [2019-09-08 16:28:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-08 16:28:06,641 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:06,642 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:06,642 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:06,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:06,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1881653909, now seen corresponding path program 1 times [2019-09-08 16:28:06,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:06,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:06,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:06,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:06,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2019-09-08 16:28:06,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:06,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:06,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:06,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:06,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:06,772 INFO L87 Difference]: Start difference. First operand 11101 states and 14109 transitions. Second operand 3 states. [2019-09-08 16:28:07,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:07,050 INFO L93 Difference]: Finished difference Result 16739 states and 21487 transitions. [2019-09-08 16:28:07,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:07,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-09-08 16:28:07,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:07,099 INFO L225 Difference]: With dead ends: 16739 [2019-09-08 16:28:07,100 INFO L226 Difference]: Without dead ends: 11141 [2019-09-08 16:28:07,120 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11141 states. [2019-09-08 16:28:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11141 to 11121. [2019-09-08 16:28:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11121 states. [2019-09-08 16:28:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11121 states to 11121 states and 14129 transitions. [2019-09-08 16:28:07,606 INFO L78 Accepts]: Start accepts. Automaton has 11121 states and 14129 transitions. Word has length 214 [2019-09-08 16:28:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:07,606 INFO L475 AbstractCegarLoop]: Abstraction has 11121 states and 14129 transitions. [2019-09-08 16:28:07,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 11121 states and 14129 transitions. [2019-09-08 16:28:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-08 16:28:07,627 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:07,627 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:07,627 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:07,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1957458250, now seen corresponding path program 1 times [2019-09-08 16:28:07,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:07,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:07,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:07,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:07,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2019-09-08 16:28:08,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:08,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 16:28:08,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:28:08,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:28:08,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:28:08,068 INFO L87 Difference]: Start difference. First operand 11121 states and 14129 transitions. Second operand 9 states. [2019-09-08 16:28:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:26,718 INFO L93 Difference]: Finished difference Result 25829 states and 33255 transitions. [2019-09-08 16:28:26,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:28:26,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2019-09-08 16:28:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:26,791 INFO L225 Difference]: With dead ends: 25829 [2019-09-08 16:28:26,791 INFO L226 Difference]: Without dead ends: 14751 [2019-09-08 16:28:26,836 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:28:26,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14751 states. [2019-09-08 16:28:27,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14751 to 14211. [2019-09-08 16:28:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14211 states. [2019-09-08 16:28:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14211 states to 14211 states and 18163 transitions. [2019-09-08 16:28:27,421 INFO L78 Accepts]: Start accepts. Automaton has 14211 states and 18163 transitions. Word has length 216 [2019-09-08 16:28:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:27,424 INFO L475 AbstractCegarLoop]: Abstraction has 14211 states and 18163 transitions. [2019-09-08 16:28:27,424 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:28:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 14211 states and 18163 transitions. [2019-09-08 16:28:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-09-08 16:28:27,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:27,450 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:27,451 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:27,451 INFO L82 PathProgramCache]: Analyzing trace with hash -769592882, now seen corresponding path program 1 times [2019-09-08 16:28:27,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:27,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:27,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:27,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:27,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2019-09-08 16:28:27,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:27,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:28:27,683 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:28:27,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:28:27,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:27,684 INFO L87 Difference]: Start difference. First operand 14211 states and 18163 transitions. Second operand 5 states. [2019-09-08 16:28:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:28,007 INFO L93 Difference]: Finished difference Result 28525 states and 36750 transitions. [2019-09-08 16:28:28,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:28:28,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2019-09-08 16:28:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:28,079 INFO L225 Difference]: With dead ends: 28525 [2019-09-08 16:28:28,080 INFO L226 Difference]: Without dead ends: 14357 [2019-09-08 16:28:28,122 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:28,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14357 states. [2019-09-08 16:28:28,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14357 to 14323. [2019-09-08 16:28:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14323 states. [2019-09-08 16:28:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14323 states to 14323 states and 18283 transitions. [2019-09-08 16:28:28,565 INFO L78 Accepts]: Start accepts. Automaton has 14323 states and 18283 transitions. Word has length 284 [2019-09-08 16:28:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:28,566 INFO L475 AbstractCegarLoop]: Abstraction has 14323 states and 18283 transitions. [2019-09-08 16:28:28,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:28:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14323 states and 18283 transitions. [2019-09-08 16:28:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-08 16:28:28,593 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:28,594 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:28,594 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:28,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:28,594 INFO L82 PathProgramCache]: Analyzing trace with hash -546772817, now seen corresponding path program 1 times [2019-09-08 16:28:28,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:28,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:28,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:28,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:28,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2019-09-08 16:28:28,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:28,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:28:28,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:28:28,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:28:28,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:28,946 INFO L87 Difference]: Start difference. First operand 14323 states and 18283 transitions. Second operand 5 states. [2019-09-08 16:28:29,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:29,381 INFO L93 Difference]: Finished difference Result 33869 states and 43053 transitions. [2019-09-08 16:28:29,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:28:29,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 289 [2019-09-08 16:28:29,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:29,460 INFO L225 Difference]: With dead ends: 33869 [2019-09-08 16:28:29,461 INFO L226 Difference]: Without dead ends: 19589 [2019-09-08 16:28:29,495 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:28:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19589 states. [2019-09-08 16:28:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19589 to 14355. [2019-09-08 16:28:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14355 states. [2019-09-08 16:28:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14355 states to 14355 states and 18315 transitions. [2019-09-08 16:28:30,016 INFO L78 Accepts]: Start accepts. Automaton has 14355 states and 18315 transitions. Word has length 289 [2019-09-08 16:28:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:30,017 INFO L475 AbstractCegarLoop]: Abstraction has 14355 states and 18315 transitions. [2019-09-08 16:28:30,017 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:28:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 14355 states and 18315 transitions. [2019-09-08 16:28:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-09-08 16:28:30,045 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:30,045 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:30,046 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:30,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:30,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1217045783, now seen corresponding path program 1 times [2019-09-08 16:28:30,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:30,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:30,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:30,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:30,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2019-09-08 16:28:30,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:30,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:28:30,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:28:30,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:28:30,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:30,959 INFO L87 Difference]: Start difference. First operand 14355 states and 18315 transitions. Second operand 5 states. [2019-09-08 16:28:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:31,259 INFO L93 Difference]: Finished difference Result 28877 states and 36961 transitions. [2019-09-08 16:28:31,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:28:31,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2019-09-08 16:28:31,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:31,318 INFO L225 Difference]: With dead ends: 28877 [2019-09-08 16:28:31,319 INFO L226 Difference]: Without dead ends: 14565 [2019-09-08 16:28:31,349 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:31,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14565 states. [2019-09-08 16:28:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14565 to 14463. [2019-09-08 16:28:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14463 states. [2019-09-08 16:28:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14463 states to 14463 states and 18465 transitions. [2019-09-08 16:28:31,778 INFO L78 Accepts]: Start accepts. Automaton has 14463 states and 18465 transitions. Word has length 280 [2019-09-08 16:28:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:31,779 INFO L475 AbstractCegarLoop]: Abstraction has 14463 states and 18465 transitions. [2019-09-08 16:28:31,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:28:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 14463 states and 18465 transitions. [2019-09-08 16:28:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-09-08 16:28:31,805 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:31,805 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:31,805 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:31,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:31,806 INFO L82 PathProgramCache]: Analyzing trace with hash 947791929, now seen corresponding path program 1 times [2019-09-08 16:28:31,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:31,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:31,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:31,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:31,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:32,137 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2019-09-08 16:28:32,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:28:32,138 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:28:32,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:32,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 2011 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 16:28:32,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:28:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 88 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2019-09-08 16:28:32,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:28:32,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-09-08 16:28:32,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 16:28:32,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 16:28:32,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:28:32,948 INFO L87 Difference]: Start difference. First operand 14463 states and 18465 transitions. Second operand 16 states. [2019-09-08 16:29:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:29:08,181 INFO L93 Difference]: Finished difference Result 35815 states and 49935 transitions. [2019-09-08 16:29:08,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 16:29:08,182 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 284 [2019-09-08 16:29:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:29:08,330 INFO L225 Difference]: With dead ends: 35815 [2019-09-08 16:29:08,330 INFO L226 Difference]: Without dead ends: 26719 [2019-09-08 16:29:08,400 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=223, Invalid=769, Unknown=0, NotChecked=0, Total=992 [2019-09-08 16:29:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26719 states. [2019-09-08 16:29:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26719 to 20469. [2019-09-08 16:29:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20469 states. [2019-09-08 16:29:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20469 states to 20469 states and 26471 transitions. [2019-09-08 16:29:09,716 INFO L78 Accepts]: Start accepts. Automaton has 20469 states and 26471 transitions. Word has length 284 [2019-09-08 16:29:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:29:09,718 INFO L475 AbstractCegarLoop]: Abstraction has 20469 states and 26471 transitions. [2019-09-08 16:29:09,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 16:29:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 20469 states and 26471 transitions. [2019-09-08 16:29:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-08 16:29:09,749 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:29:09,749 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:29:09,750 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:29:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:29:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1842925510, now seen corresponding path program 1 times [2019-09-08 16:29:09,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:29:09,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:29:09,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:09,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:29:09,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:29:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2019-09-08 16:29:10,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:29:10,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:29:10,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:29:10,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:29:10,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:29:10,140 INFO L87 Difference]: Start difference. First operand 20469 states and 26471 transitions. Second operand 4 states. [2019-09-08 16:29:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:29:10,725 INFO L93 Difference]: Finished difference Result 35457 states and 46573 transitions. [2019-09-08 16:29:10,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:29:10,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 286 [2019-09-08 16:29:10,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:29:10,815 INFO L225 Difference]: With dead ends: 35457 [2019-09-08 16:29:10,815 INFO L226 Difference]: Without dead ends: 20559 [2019-09-08 16:29:10,887 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:29:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2019-09-08 16:29:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20499. [2019-09-08 16:29:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20499 states. [2019-09-08 16:29:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20499 states to 20499 states and 26511 transitions. [2019-09-08 16:29:11,698 INFO L78 Accepts]: Start accepts. Automaton has 20499 states and 26511 transitions. Word has length 286 [2019-09-08 16:29:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:29:11,699 INFO L475 AbstractCegarLoop]: Abstraction has 20499 states and 26511 transitions. [2019-09-08 16:29:11,699 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:29:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 20499 states and 26511 transitions. [2019-09-08 16:29:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-08 16:29:11,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:29:11,719 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:29:11,720 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:29:11,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:29:11,720 INFO L82 PathProgramCache]: Analyzing trace with hash 313908548, now seen corresponding path program 1 times [2019-09-08 16:29:11,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:29:11,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:29:11,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:11,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:29:11,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:29:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2019-09-08 16:29:12,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:29:12,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 16:29:12,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 16:29:12,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 16:29:12,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:29:12,320 INFO L87 Difference]: Start difference. First operand 20499 states and 26511 transitions. Second operand 11 states. [2019-09-08 16:29:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:29:13,722 INFO L93 Difference]: Finished difference Result 41467 states and 54122 transitions. [2019-09-08 16:29:13,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 16:29:13,723 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 289 [2019-09-08 16:29:13,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:29:13,838 INFO L225 Difference]: With dead ends: 41467 [2019-09-08 16:29:13,839 INFO L226 Difference]: Without dead ends: 21011 [2019-09-08 16:29:13,895 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 16:29:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21011 states. [2019-09-08 16:29:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21011 to 20547. [2019-09-08 16:29:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20547 states. [2019-09-08 16:29:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 26459 transitions. [2019-09-08 16:29:14,652 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 26459 transitions. Word has length 289 [2019-09-08 16:29:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:29:14,653 INFO L475 AbstractCegarLoop]: Abstraction has 20547 states and 26459 transitions. [2019-09-08 16:29:14,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 16:29:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 26459 transitions. [2019-09-08 16:29:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-09-08 16:29:14,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:29:14,671 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:29:14,671 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:29:14,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:29:14,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1869102458, now seen corresponding path program 1 times [2019-09-08 16:29:14,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:29:14,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:29:14,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:14,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:29:14,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:29:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2019-09-08 16:29:14,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:29:14,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:29:14,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:29:14,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:29:14,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:29:14,886 INFO L87 Difference]: Start difference. First operand 20547 states and 26459 transitions. Second operand 6 states. [2019-09-08 16:29:15,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:29:15,843 INFO L93 Difference]: Finished difference Result 48755 states and 62513 transitions. [2019-09-08 16:29:15,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 16:29:15,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 312 [2019-09-08 16:29:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:29:16,185 INFO L225 Difference]: With dead ends: 48755 [2019-09-08 16:29:16,185 INFO L226 Difference]: Without dead ends: 28251 [2019-09-08 16:29:16,225 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:29:16,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28251 states. [2019-09-08 16:29:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28251 to 20559. [2019-09-08 16:29:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20559 states. [2019-09-08 16:29:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20559 states to 20559 states and 26471 transitions. [2019-09-08 16:29:17,109 INFO L78 Accepts]: Start accepts. Automaton has 20559 states and 26471 transitions. Word has length 312 [2019-09-08 16:29:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:29:17,110 INFO L475 AbstractCegarLoop]: Abstraction has 20559 states and 26471 transitions. [2019-09-08 16:29:17,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:29:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 20559 states and 26471 transitions. [2019-09-08 16:29:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-09-08 16:29:17,134 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:29:17,135 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:29:17,135 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:29:17,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:29:17,135 INFO L82 PathProgramCache]: Analyzing trace with hash 303468663, now seen corresponding path program 1 times [2019-09-08 16:29:17,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:29:17,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:29:17,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:17,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:29:17,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:29:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 16:29:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 16:29:21,328 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 16:29:21,462 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) [2019-09-08 16:29:21,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967467 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT ) : VOID)?fasync~*((*tty_struct INT ) : VOID)?receive_buf2~*((*tty_struct *UCHAR *CHAR INT ) : INT)?owner~*module?refcount~INT# [2019-09-08 16:29:21,501 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967496 could not be translated for associated CType STRUCT~~__anonstruct_rwlock_t_32?raw_lock~~arch_rwlock_t~0?magic~UINT?owner_cpu~UINT?owner~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## [2019-09-08 16:29:21,502 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967408 could not be translated for associated CType ARRAY#_15_~~Element~0# [2019-09-08 16:29:21,502 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967414 could not be translated for associated CType STRUCT~~ppp_channel_ops?start_xmit~*((*ppp_channel *sk_buff ) : INT)?ioctl~*((*ppp_channel UINT ULONG ) : INT)# [2019-09-08 16:29:21,503 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967443 could not be translated for associated CType ARRAY#_15_~~Element~0# [2019-09-08 16:29:21,503 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967423 could not be translated for associated CType STRUCT~~__anonstruct_rwlock_t_32?raw_lock~~arch_rwlock_t~0?magic~UINT?owner_cpu~UINT?owner~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## [2019-09-08 16:29:21,503 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967512 could not be translated for associated CType STRUCT~~ppp_channel_ops?start_xmit~*((*ppp_channel *sk_buff ) : INT)?ioctl~*((*ppp_channel UINT ULONG ) : INT)# [2019-09-08 16:29:21,504 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967471 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT ) : VOID)?fasync~*((*tty_struct INT ) : VOID)?receive_buf2~*((*tty_struct *UCHAR *CHAR INT ) : INT)?owner~*module?refcount~INT# [2019-09-08 16:29:21,569 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,571 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,571 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,573 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,573 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,579 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,579 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,581 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,581 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,586 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,587 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,588 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,589 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,594 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,594 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,595 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,595 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,597 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,597 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,599 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,599 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,599 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,601 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,601 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,604 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,682 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,683 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,683 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,684 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,685 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,685 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,686 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,686 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,687 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,688 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,688 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,688 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,690 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,690 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,690 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,694 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,694 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,694 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,696 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,696 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,696 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-09-08 16:29:21,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 04:29:21 BoogieIcfgContainer [2019-09-08 16:29:21,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 16:29:21,776 INFO L168 Benchmark]: Toolchain (without parser) took 89035.18 ms. Allocated memory was 133.7 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 80.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,777 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2776.02 ms. Allocated memory was 133.7 MB in the beginning and 278.9 MB in the end (delta: 145.2 MB). Free memory was 79.9 MB in the beginning and 222.2 MB in the end (delta: -142.3 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,781 INFO L168 Benchmark]: Boogie Preprocessor took 249.35 ms. Allocated memory is still 278.9 MB. Free memory was 222.2 MB in the beginning and 209.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,782 INFO L168 Benchmark]: RCFGBuilder took 4647.42 ms. Allocated memory was 278.9 MB in the beginning and 355.5 MB in the end (delta: 76.5 MB). Free memory was 209.8 MB in the beginning and 228.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 146.3 MB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,785 INFO L168 Benchmark]: TraceAbstraction took 81357.87 ms. Allocated memory was 355.5 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 228.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-09-08 16:29:21,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2776.02 ms. Allocated memory was 133.7 MB in the beginning and 278.9 MB in the end (delta: 145.2 MB). Free memory was 79.9 MB in the beginning and 222.2 MB in the end (delta: -142.3 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 249.35 ms. Allocated memory is still 278.9 MB. Free memory was 222.2 MB in the beginning and 209.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4647.42 ms. Allocated memory was 278.9 MB in the beginning and 355.5 MB in the end (delta: 76.5 MB). Free memory was 209.8 MB in the beginning and 228.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 146.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81357.87 ms. Allocated memory was 355.5 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 228.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967467 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT ) : VOID)?fasync~*((*tty_struct INT ) : VOID)?receive_buf2~*((*tty_struct *UCHAR *CHAR INT ) : INT)?owner~*module?refcount~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967496 could not be translated for associated CType STRUCT~~__anonstruct_rwlock_t_32?raw_lock~~arch_rwlock_t~0?magic~UINT?owner_cpu~UINT?owner~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967408 could not be translated for associated CType ARRAY#_15_~~Element~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967414 could not be translated for associated CType STRUCT~~ppp_channel_ops?start_xmit~*((*ppp_channel *sk_buff ) : INT)?ioctl~*((*ppp_channel UINT ULONG ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967443 could not be translated for associated CType ARRAY#_15_~~Element~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967423 could not be translated for associated CType STRUCT~~__anonstruct_rwlock_t_32?raw_lock~~arch_rwlock_t~0?magic~UINT?owner_cpu~UINT?owner~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967512 could not be translated for associated CType STRUCT~~ppp_channel_ops?start_xmit~*((*ppp_channel *sk_buff ) : INT)?ioctl~*((*ppp_channel UINT ULONG ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967471 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT ) : VOID)?fasync~*((*tty_struct INT ) : VOID)?receive_buf2~*((*tty_struct *UCHAR *CHAR INT ) : INT)?owner~*module?refcount~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch308 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch292 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch305 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5659]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5768, overapproximation of bitwiseOr at line 5304, overapproximation of bitwiseAnd at line 6423. Possible FailurePath: [L5682] int LDV_IN_INTERRUPT = 1; [L5683] int ldv_state_variable_2 ; [L5684] struct ppp_channel *sync_ops_group0 ; [L5685] int ref_cnt ; [L5686] int ldv_state_variable_1 ; [L5687] int ldv_state_variable_0 ; [L5688] struct tty_struct *ppp_sync_ldisc_group1 ; [L5744] static struct ppp_channel_ops const sync_ops = {& ppp_sync_send, & ppp_sync_ioctl}; [L5768-L5769] static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock", 0, 0UL}}; [L6089-L6092] static struct tty_ldisc_ops ppp_sync_ldisc = {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read, & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup, & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0}; [L6630] int ldv_retval_0 ; [L6631] int ldv_retval_1 ; [L7005] Element set_impl[15] ; [L7006] int last_index = 0; [L7140] Set LDV_SKBS ; VAL [\old(disc_data_lock)=null, \old(disc_data_lock)=null, \old(last_index)=4294967405, \old(LDV_IN_INTERRUPT)=4294967307, \old(ldv_retval_0)=4294967494, \old(ldv_retval_1)=4294967430, \old(LDV_SKBS)=4294967296, \old(LDV_SKBS)=4294967500, \old(ldv_state_variable_0)=4294967447, \old(ldv_state_variable_1)=4294967339, \old(ldv_state_variable_2)=4294967533, \old(ppp_sync_ldisc)=null, \old(ppp_sync_ldisc)=null, \old(ppp_sync_ldisc_group1)=4294967489, \old(ppp_sync_ldisc_group1)=4294967387, \old(ref_cnt)=4294967530, \old(set_impl)=null, \old(set_impl)=null, \old(sync_ops)=null, \old(sync_ops)=null, \old(sync_ops_group0)=4294967556, \old(sync_ops_group0)=4294967517, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6654] size_t ldvarg11 ; [L6655] size_t tmp ; [L6656] struct file *ldvarg7 ; [L6657] void *tmp___0 ; [L6658] int ldvarg3 ; [L6659] int tmp___1 ; [L6660] unsigned long ldvarg0 ; [L6661] unsigned long tmp___2 ; [L6662] unsigned char *ldvarg12 ; [L6663] void *tmp___3 ; [L6664] unsigned char *ldvarg5 ; [L6665] void *tmp___4 ; [L6666] struct poll_table_struct *ldvarg6 ; [L6667] void *tmp___5 ; [L6668] size_t ldvarg8 ; [L6669] size_t tmp___6 ; [L6670] unsigned int ldvarg1 ; [L6671] unsigned int tmp___7 ; [L6672] char *ldvarg4 ; [L6673] void *tmp___8 ; [L6674] struct file *ldvarg13 ; [L6675] void *tmp___9 ; [L6676] struct file *ldvarg10 ; [L6677] void *tmp___10 ; [L6678] unsigned char *ldvarg9 ; [L6679] void *tmp___11 ; [L6680] struct file *ldvarg2 ; [L6681] void *tmp___12 ; [L6682] unsigned long ldvarg14 ; [L6683] unsigned long tmp___13 ; [L6684] struct sk_buff *ldvarg16 ; [L6685] void *tmp___14 ; [L6686] unsigned int ldvarg15 ; [L6687] unsigned int tmp___15 ; [L6688] int tmp___16 ; [L6689] int tmp___17 ; [L6690] int tmp___18 ; [L6691] int tmp___19 ; [L6693] tmp = __VERIFIER_nondet_size_t() [L6694] ldvarg11 = tmp VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg11=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6695] CALL, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=512, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6695] RET, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(512UL)={0:0}, ldvarg11=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6695] tmp___0 = ldv_zalloc(512UL) [L6696] ldvarg7 = (struct file *)tmp___0 [L6697] tmp___1 = __VERIFIER_nondet_int() [L6698] ldvarg3 = tmp___1 [L6699] tmp___2 = __VERIFIER_nondet_ulong() [L6700] ldvarg0 = tmp___2 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg11=0, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203] [L6701] CALL, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=1, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6701] RET, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0=203, ldvarg11=0, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203] [L6701] tmp___3 = ldv_zalloc(1UL) [L6702] ldvarg12 = (unsigned char *)tmp___3 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}] [L6703] CALL, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=1, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6703] RET, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0=203, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}] [L6703] tmp___4 = ldv_zalloc(1UL) [L6704] ldvarg5 = (unsigned char *)tmp___4 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}] [L6705] CALL, EXPR ldv_zalloc(16UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=16, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=16, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=16, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6705] RET, EXPR ldv_zalloc(16UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(16UL)={0:0}, ldvarg0=203, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg7={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}] [L6705] tmp___5 = ldv_zalloc(16UL) [L6706] ldvarg6 = (struct poll_table_struct *)tmp___5 [L6707] tmp___6 = __VERIFIER_nondet_size_t() [L6708] ldvarg8 = tmp___6 [L6709] tmp___7 = __VERIFIER_nondet_uint() [L6710] ldvarg1 = tmp___7 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166] [L6711] CALL, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=1, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6711] RET, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166] [L6711] tmp___8 = ldv_zalloc(1UL) [L6712] ldvarg4 = (char *)tmp___8 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}] [L6713] CALL, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=512, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6713] RET, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(512UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}] [L6713] tmp___9 = ldv_zalloc(512UL) [L6714] ldvarg13 = (struct file *)tmp___9 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6715] CALL, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=512, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6715] RET, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(512UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6715] tmp___10 = ldv_zalloc(512UL) [L6716] ldvarg10 = (struct file *)tmp___10 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6717] CALL, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=1, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6717] RET, EXPR ldv_zalloc(1UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6717] tmp___11 = ldv_zalloc(1UL) [L6718] ldvarg9 = (unsigned char *)tmp___11 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6719] CALL, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=512, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=512, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6719] RET, EXPR ldv_zalloc(512UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(512UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6719] tmp___12 = ldv_zalloc(512UL) [L6720] ldvarg2 = (struct file *)tmp___12 [L6721] tmp___13 = __VERIFIER_nondet_ulong() [L6722] ldvarg14 = tmp___13 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6723] CALL, EXPR ldv_zalloc(232UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=232, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=232, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=232, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6723] RET, EXPR ldv_zalloc(232UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6723] tmp___14 = ldv_zalloc(232UL) [L6724] ldvarg16 = (struct sk_buff *)tmp___14 [L6725] tmp___15 = __VERIFIER_nondet_uint() [L6726] ldvarg15 = tmp___15 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6727] CALL ldv_initialize() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7159] CALL ldv_set_init(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7011] set = set_impl [L7012] last_index = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={-4294967303:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7159] RET ldv_set_init(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6727] RET ldv_initialize() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6728] ldv_state_variable_1 = 0 [L6729] ref_cnt = 0 [L6730] ldv_state_variable_0 = 1 [L6731] ldv_state_variable_2 = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6733] tmp___16 = __VERIFIER_nondet_int() [L6735] case 0: [L6831] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6832] COND TRUE ldv_state_variable_0 != 0 [L6833] tmp___18 = __VERIFIER_nondet_int() [L6835] case 0: [L6843] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6844] COND TRUE ldv_state_variable_0 == 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6845] CALL, EXPR ppp_sync_init() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6095] int err ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6097] CALL, EXPR tty_register_ldisc(14, & ppp_sync_ldisc) VAL [\old(arg0)=14, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg1={-4294967300:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7352] return __VERIFIER_nondet_int(); [L6097] RET, EXPR tty_register_ldisc(14, & ppp_sync_ldisc) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty_register_ldisc(14, & ppp_sync_ldisc)=0] [L6097] err = tty_register_ldisc(14, & ppp_sync_ldisc) [L6098] COND FALSE !(err != 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, err=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6102] return (err); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, err=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6845] RET, EXPR ppp_sync_init() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_init()=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6845] ldv_retval_1 = ppp_sync_init() [L6846] COND TRUE ldv_retval_1 == 0 [L6847] ldv_state_variable_0 = 3 [L6848] ldv_state_variable_2 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6849] CALL ldv_initialize_ppp_channel_ops_2() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6636] void *tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6638] CALL, EXPR ldv_zalloc(40UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=40, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=40, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=40, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6638] RET, EXPR ldv_zalloc(40UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(40UL)={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6638] tmp = ldv_zalloc(40UL) [L6639] sync_ops_group0 = (struct ppp_channel *)tmp VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp={0:0}] [L6849] RET ldv_initialize_ppp_channel_ops_2() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6850] ldv_state_variable_1 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6851] CALL ldv_target_type_1() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6645] void *tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6647] CALL, EXPR ldv_zalloc(1752UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1752, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND TRUE tmp___0 != 0 [L5622] return ((void *)0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=1752, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={0:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=1752, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=1] [L6647] RET, EXPR ldv_zalloc(1752UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(1752UL)={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6647] tmp = ldv_zalloc(1752UL) [L6648] ppp_sync_ldisc_group1 = (struct tty_struct *)tmp VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp={0:0}] [L6851] RET ldv_target_type_1() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6854] COND FALSE !(ldv_retval_1 != 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6733] tmp___16 = __VERIFIER_nondet_int() [L6735] case 0: [L6831] case 1: [L6869] case 2: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=2, tmp___18=1, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6870] COND TRUE ldv_state_variable_2 != 0 [L6871] tmp___19 = __VERIFIER_nondet_int() [L6873] case 0: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=2, tmp___18=1, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6874] COND TRUE ldv_state_variable_2 == 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=2, tmp___18=1, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6875] CALL ppp_sync_send(sync_ops_group0, ldvarg16) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, chan={0:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6432] struct syncppp *ap ; [L6433] int tmp ; [L6435] EXPR chan->private [L6435] ap = (struct syncppp *)chan->private [L6436] CALL ppp_sync_push(ap) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6454] int sent ; [L6455] int done ; [L6456] struct tty_struct *tty ; [L6457] int tty_stuffed ; [L6458] int tmp ; [L6459] int tmp___0 ; [L6460] int tmp___1 ; [L6461] int tmp___2 ; [L6463] done = 0 [L6464] EXPR ap->tty [L6464] tty = ap->tty [L6465] tty_stuffed = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty={4294967501:4294967299}, tty_stuffed=0] [L6466] CALL, EXPR spin_trylock_bh(& ap->xmit_lock) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5406] int tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5408] CALL, EXPR _raw_spin_trylock_bh(& lock->ldv_6338.rlock) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={4294967468:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7261] return __VERIFIER_nondet_int(); [L5408] RET, EXPR _raw_spin_trylock_bh(& lock->ldv_6338.rlock) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, _raw_spin_trylock_bh(& lock->ldv_6338.rlock)=0, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5408] tmp = _raw_spin_trylock_bh(& lock->ldv_6338.rlock) [L5409] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6466] RET, EXPR spin_trylock_bh(& ap->xmit_lock) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, spin_trylock_bh(& ap->xmit_lock)=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty={4294967501:4294967299}, tty_stuffed=0] [L6466] tmp = spin_trylock_bh(& ap->xmit_lock) [L6467] COND TRUE tmp == 0 [L6468] return (0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tty={4294967501:4294967299}, tty_stuffed=0] [L6436] RET ppp_sync_push(ap) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ppp_sync_push(ap)=0, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6437] CALL, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(nr)=1, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, addr={4294967468:96}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5279] char c ; [L5283] return ((int )((signed char )c) != 0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(nr)=1, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, addr={4294967468:96}, addr={4294967468:96}, c=0, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, nr=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6437] RET, EXPR test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags))=0] [L6437] tmp = test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags)) [L6438] COND FALSE !(tmp != 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6442] CALL, EXPR ppp_sync_txmunge(ap, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6383] int proto ; [L6384] unsigned char *data ; [L6385] int islcp ; [L6386] u16 tmp ; [L6387] struct sk_buff *npkt ; [L6388] struct sk_buff *tmp___0 ; [L6389] unsigned char *tmp___1 ; [L6390] unsigned int tmp___2 ; [L6392] EXPR skb->data [L6392] data = skb->data [L6393] CALL, EXPR get_unaligned_be16((void const *)data) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5730] __u16 tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5732] CALL, EXPR __be16_to_cpup((__be16 const *)p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5317] __u16 tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5319] CALL, EXPR __swab16p(p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5309] __u16 tmp ; [L5311] EXPR \read(*p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \read(*p)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5311] CALL, EXPR __fswab16((int )*p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \old(val)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5304] return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8)))); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \old(val)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, val=0] [L5311] RET, EXPR __fswab16((int )*p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \read(*p)=0, __fswab16((int )*p)=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5311] tmp = __fswab16((int )*p) [L5312] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L5319] RET, EXPR __swab16p(p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __swab16p(p)=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5319] tmp = __swab16p(p) [L5320] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L5732] RET, EXPR __be16_to_cpup((__be16 const *)p) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __be16_to_cpup((__be16 const *)p)=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5732] tmp = __be16_to_cpup((__be16 const *)p) [L5733] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=49185, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={0:0}, p={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6393] RET, EXPR get_unaligned_be16((void const *)data) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, get_unaligned_be16((void const *)data)=49185, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6393] tmp = get_unaligned_be16((void const *)data) [L6394] proto = (int )tmp [L6395] EXPR proto == 49185 && (unsigned int )*(data + 2UL) != 0U [L6395] EXPR data + 2UL [L6395] EXPR proto == 49185 && (unsigned int )*(data + 2UL) != 0U VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, data + 2UL=-255, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, proto == 49185 && (unsigned int )*(data + 2UL) != 0U=1, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6395] EXPR (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U [L6395] EXPR data + 2UL [L6395] EXPR (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U VAL [(proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, data + 2UL=-255, data + 2UL=-255, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, proto == 49185 && (unsigned int )*(data + 2UL) != 0U=1, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6395] islcp = (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U [L6396] EXPR \read(*data) [L6396] EXPR (unsigned int )*data == 0U && (int )ap->flags & 1 [L6396] EXPR ap->flags [L6396] EXPR (unsigned int )*data == 0U && (int )ap->flags & 1 VAL [(unsigned int )*data == 0U && (int )ap->flags & 1=0, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \read(*data)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, ap->flags=4294967537, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6396] COND FALSE !(((unsigned int )*data == 0U && (int )ap->flags & 1) && islcp == 0) [L6400] EXPR ap->flags VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, ap->flags=4294967537, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6400] COND TRUE (ap->flags & 2U) == 0U || islcp != 0 [L6401] CALL, EXPR skb_headroom((struct sk_buff const *)skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5552] EXPR skb->data [L5552] EXPR skb->head [L5552] return ((unsigned int )((long )skb->data) - (unsigned int )((long )skb->head)); [L6401] RET, EXPR skb_headroom((struct sk_buff const *)skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb_headroom((struct sk_buff const *)skb)=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185] [L6401] tmp___2 = skb_headroom((struct sk_buff const *)skb) [L6402] COND TRUE tmp___2 <= 1U [L6403] EXPR skb->len VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___2=0] [L6403] CALL, EXPR ldv_dev_alloc_skb_15(skb->len + 2U) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(length)=2, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6963] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(length)=2, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6965] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7143] void *skb ; [L7144] void *tmp___7 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7146] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=204, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5616] void *p ; [L5617] void *tmp ; [L5618] int tmp___0 ; [L5620] tmp___0 = __VERIFIER_nondet_int() [L5621] COND FALSE !(tmp___0 != 0) [L5624] EXPR, FCALL calloc(1UL, size) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=204, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, calloc(1UL, size)={-4294967295:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=204, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___0=0] [L5624] tmp = calloc(1UL, size) [L5625] p = tmp [L5627] return (p); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(size)=204, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={-4294967295:0}, __this_module={4294967535:4294967420}, calloc(1UL, size)={-4294967295:0}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, size=204, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp={-4294967295:0}, tmp___0=0] [L7146] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7146] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7147] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___7={-4294967295:0}] [L7148] COND FALSE !(! skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___7={-4294967295:0}] [L7151] CALL ldv_set_add(LDV_SKBS, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={-4294967295:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7019] int i ; [L7021] i = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={-4294967295:0}, e={-4294967295:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7022] COND TRUE 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={-4294967295:0}, e={-4294967295:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7023] COND FALSE !(i < last_index) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={-4294967295:0}, e={-4294967295:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7033] COND TRUE last_index < 15 [L7034] set_impl[last_index] = e [L7035] last_index = last_index + 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={-4294967295:0}, e={-4294967295:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7151] RET ldv_set_add(LDV_SKBS, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___7={-4294967295:0}] [L7152] return (skb); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={-4294967295:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___7={-4294967295:0}] [L6965] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(length)=2, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-4294967295:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6965] tmp = ldv_skb_alloc() [L6966] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(length)=2, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={-4294967295:0}, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp={-4294967295:0}] [L6403] RET, EXPR ldv_dev_alloc_skb_15(skb->len + 2U) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, ldv_dev_alloc_skb_15(skb->len + 2U)={-4294967295:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___2=0] [L6403] tmp___0 = ldv_dev_alloc_skb_15(skb->len + 2U) [L6404] npkt = tmp___0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___2=0] [L6405] COND FALSE !((unsigned long )npkt == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___2=0] [L6410] CALL skb_reserve(npkt, 2) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(len)=2, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5566] EXPR skb->data [L5566] skb->data = skb->data + (unsigned long )len [L5567] EXPR skb->tail [L5567] skb->tail = skb->tail + (sk_buff_data_t )len [L6410] RET skb_reserve(npkt, 2) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___2=0] [L6411] EXPR skb->len VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___2=0] [L6411] CALL, EXPR skb_put(npkt, skb->len) VAL [\old(arg1)=0, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={-4294967295:0}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7329] CALL, EXPR external_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7370] return __VERIFIER_nondet_pointer(); [L7329] RET, EXPR external_alloc() VAL [\old(arg1)=0, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={-4294967295:0}, arg0={-4294967295:0}, arg1=0, disc_data_lock={-4294967299:0}, external_alloc()={4294967401:4294967308}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7329] return (unsigned char *)external_alloc(); [L6411] RET, EXPR skb_put(npkt, skb->len) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, skb_put(npkt, skb->len)={4294967401:4294967308}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___2=0] [L6411] tmp___1 = skb_put(npkt, skb->len) [L6412] EXPR skb->len VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6412] CALL skb_copy_from_linear_data((struct sk_buff const *)skb, (void *)tmp___1, skb->len) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(len)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, to={4294967401:4294967308}] [L5579] size_t __len ; [L5580] void *__ret ; [L5582] __len = (size_t )len [L5583] EXPR skb->data VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(len)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __len=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=0, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->data={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, to={4294967401:4294967308}, to={4294967401:4294967308}] [L5583] EXPR, FCALL memcpy(to, (void const *)skb->data, __len) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(len)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __len=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=0, memcpy(to, (void const *)skb->data, __len)={4294967401:4294967308}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->data={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, to={4294967401:4294967308}, to={4294967401:4294967308}] [L5583] __ret = memcpy(to, (void const *)skb->data, __len) [L6412] RET skb_copy_from_linear_data((struct sk_buff const *)skb, (void *)tmp___1, skb->len) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, skb->len=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6413] CALL ldv_consume_skb_17(skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6979] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7166] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, e={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7044] int i ; [L7045] int deleted_index ; [L7047] deleted_index = -1 [L7048] i = 0 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7049] COND TRUE 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7050] COND TRUE i < last_index VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7054] EXPR set_impl[i] VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, set_impl[i]={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7054] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7059] i = i + 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7049] COND TRUE 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7050] COND FALSE !(i < last_index) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7061] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, deleted_index=-1, disc_data_lock={-4294967299:0}, e={0:0}, e={0:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7166] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6979] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6413] RET ldv_consume_skb_17(skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6414] skb = npkt VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6417] CALL skb_push(skb, 2U) VAL [\old(arg1)=2, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={-4294967295:0}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7325] CALL, EXPR external_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7370] return __VERIFIER_nondet_pointer(); [L7325] RET, EXPR external_alloc() VAL [\old(arg1)=2, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={-4294967295:0}, arg0={-4294967295:0}, arg1=2, disc_data_lock={-4294967299:0}, external_alloc()={4294967466:4294967493}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7325] return (unsigned char *)external_alloc(); [L6417] RET skb_push(skb, 2U) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={-4294967295:0}, skb_push(skb, 2U)={4294967466:4294967493}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6418] EXPR skb->data [L6418] *(skb->data) = 255U [L6419] EXPR skb->data [L6419] *(skb->data + 1UL) = 3U [L6422] ap->last_xmit = jiffies [L6423] (unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U [L6423] EXPR ap->flags [L6423] (unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U VAL [(unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U=0, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, ap->flags=3, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6423] COND FALSE !((unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U) [L6427] return (skb); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result={-4294967295:0}, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, data={0:0}, disc_data_lock={-4294967299:0}, islcp=1, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-4294967295:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, proto=49185, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={-4294967295:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=49185, tmp___0={-4294967295:0}, tmp___1={4294967401:4294967308}, tmp___2=0] [L6442] RET, EXPR ppp_sync_txmunge(ap, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ppp_sync_txmunge(ap, skb)={-4294967295:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={0:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6442] skb = ppp_sync_txmunge(ap, skb) [L6443] COND TRUE (unsigned long )skb != (unsigned long )((struct sk_buff *)0) [L6444] ap->tpkt = skb VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6448] CALL ppp_sync_push(ap) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6454] int sent ; [L6455] int done ; [L6456] struct tty_struct *tty ; [L6457] int tty_stuffed ; [L6458] int tmp ; [L6459] int tmp___0 ; [L6460] int tmp___1 ; [L6461] int tmp___2 ; [L6463] done = 0 [L6464] EXPR ap->tty [L6464] tty = ap->tty [L6465] tty_stuffed = 0 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty={4294967501:4294967299}, tty_stuffed=0] [L6466] CALL, EXPR spin_trylock_bh(& ap->xmit_lock) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5406] int tmp ; VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5408] CALL, EXPR _raw_spin_trylock_bh(& lock->ldv_6338.rlock) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, arg0={4294967468:0}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7261] return __VERIFIER_nondet_int(); [L5408] RET, EXPR _raw_spin_trylock_bh(& lock->ldv_6338.rlock) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, _raw_spin_trylock_bh(& lock->ldv_6338.rlock)=0, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5408] tmp = _raw_spin_trylock_bh(& lock->ldv_6338.rlock) [L5409] return (tmp); VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967468:0}, lock={4294967468:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6466] RET, EXPR spin_trylock_bh(& ap->xmit_lock) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, spin_trylock_bh(& ap->xmit_lock)=0, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty={4294967501:4294967299}, tty_stuffed=0] [L6466] tmp = spin_trylock_bh(& ap->xmit_lock) [L6467] COND TRUE tmp == 0 [L6468] return (0); VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, ap={4294967468:-16}, disc_data_lock={-4294967299:0}, done=0, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tty={4294967501:4294967299}, tty_stuffed=0] [L6448] RET ppp_sync_push(ap) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ppp_sync_push(ap)=0, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6449] return (1); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=1, __this_module={4294967535:4294967420}, ap={4294967468:-16}, chan={0:0}, chan={0:0}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, skb={-4294967295:0}, skb={0:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0] [L6875] RET ppp_sync_send(sync_ops_group0, ldvarg16) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ppp_sync_send(sync_ops_group0, ldvarg16)=1, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=2, tmp___18=1, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6876] ldv_state_variable_2 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=2, tmp___18=1, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6733] tmp___16 = __VERIFIER_nondet_int() [L6735] case 0: [L6831] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=1, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6832] COND TRUE ldv_state_variable_0 != 0 [L6833] tmp___18 = __VERIFIER_nondet_int() [L6835] case 0: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=0, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6836] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=0, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6837] CALL ppp_sync_cleanup() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6620] int tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L6622] CALL, EXPR tty_unregister_ldisc(14) VAL [\old(arg0)=14, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7360] return __VERIFIER_nondet_int(); [L6622] RET, EXPR tty_unregister_ldisc(14) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tty_unregister_ldisc(14)=26] [L6622] tmp = tty_unregister_ldisc(14) [L6623] COND TRUE tmp != 0 [L6837] RET ppp_sync_cleanup() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=0, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6838] ldv_state_variable_0 = 2 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=203, ldvarg1=166, ldvarg10={0:0}, ldvarg11=0, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=209, ldvarg15=224, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp=0, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=209, tmp___14={0:0}, tmp___15=224, tmp___16=1, tmp___18=0, tmp___19=0, tmp___2=203, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=166, tmp___8={0:0}, tmp___9={0:0}] [L6900] CALL ldv_check_final_state() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7210] int tmp___7 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7212] CALL, EXPR ldv_set_is_empty(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7101] return (last_index == 0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, \result=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7212] RET, EXPR ldv_set_is_empty(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_set_is_empty(LDV_SKBS)=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L7212] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7213] COND FALSE !(\read(tmp___7)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}, tmp___7=0] [L7215] CALL ldv_error() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] [L5659] __VERIFIER_error() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ppp_sync_ldisc_group1)=0, \old(ppp_sync_ldisc_group1)=0, \old(ref_cnt)=0, \old(sync_ops_group0)=0, \old(sync_ops_group0)=0, __this_module={4294967535:4294967420}, disc_data_lock={-4294967299:0}, jiffies=14, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={-4294967300:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={-4294967303:0}, sync_ops={-4294967317:0}, sync_ops_group0={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 150 procedures, 1057 locations, 1 error locations. UNSAFE Result, 81.2s OverallTime, 16 OverallIterations, 14 TraceHistogramMax, 62.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21877 SDtfs, 18037 SDslu, 56737 SDs, 0 SdLazy, 20034 SolverSat, 6315 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20559occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 20485 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3948 NumberOfCodeBlocks, 3948 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3607 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228179 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2011 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 4580/4600 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...