/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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-fb55353 [2019-11-07 08:31:17,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 08:31:17,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 08:31:17,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 08:31:17,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 08:31:17,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 08:31:17,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 08:31:17,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 08:31:17,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 08:31:17,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 08:31:17,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 08:31:17,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 08:31:17,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 08:31:17,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 08:31:17,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 08:31:17,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 08:31:17,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 08:31:17,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 08:31:17,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 08:31:17,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 08:31:17,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 08:31:17,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 08:31:17,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 08:31:17,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 08:31:17,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 08:31:17,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 08:31:17,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 08:31:17,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 08:31:17,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 08:31:17,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 08:31:17,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 08:31:17,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 08:31:17,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 08:31:17,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 08:31:17,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 08:31:17,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 08:31:17,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 08:31:17,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 08:31:17,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 08:31:17,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 08:31:17,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 08:31:17,505 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 [2019-11-07 08:31:17,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 08:31:17,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 08:31:17,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 08:31:17,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 08:31:17,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 08:31:17,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 08:31:17,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 08:31:17,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 08:31:17,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 08:31:17,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 08:31:17,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 08:31:17,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 08:31:17,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 08:31:17,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 08:31:17,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 08:31:17,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 08:31:17,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 08:31:17,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 08:31:17,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 08:31:17,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 08:31:17,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 08:31:17,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 08:31:17,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 08:31:17,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 08:31:17,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 08:31:17,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 08:31:17,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 08:31:17,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 08:31:17,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 08:31:17,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 08:31:17,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 08:31:17,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 08:31:17,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 08:31:17,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 08:31:17,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-11-07 08:31:17,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e531787/9f58834c140c4be6bb0adbe22d2f2462/FLAGdaad93e08 [2019-11-07 08:31:18,743 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 08:31:18,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2019-11-07 08:31:18,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e531787/9f58834c140c4be6bb0adbe22d2f2462/FLAGdaad93e08 [2019-11-07 08:31:19,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e531787/9f58834c140c4be6bb0adbe22d2f2462 [2019-11-07 08:31:19,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 08:31:19,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 08:31:19,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 08:31:19,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 08:31:19,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 08:31:19,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:19" (1/1) ... [2019-11-07 08:31:19,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceb2709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:19, skipping insertion in model container [2019-11-07 08:31:19,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:19" (1/1) ... [2019-11-07 08:31:19,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 08:31:19,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 08:31:21,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 08:31:21,213 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 08:31:21,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 08:31:21,738 INFO L192 MainTranslator]: Completed translation [2019-11-07 08:31:21,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21 WrapperNode [2019-11-07 08:31:21,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 08:31:21,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 08:31:21,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 08:31:21,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 08:31:21,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2019-11-07 08:31:21,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 08:31:21,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 08:31:21,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 08:31:21,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 08:31:21,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (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 [2019-11-07 08:31:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 08:31:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 08:31:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 08:31:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 08:31:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 08:31:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-07 08:31:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-07 08:31:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 08:31:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-11-07 08:31:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 08:31:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-11-07 08:31:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 08:31:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 08:31:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2019-11-07 08:31:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 08:31:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-11-07 08:31:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 08:31:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-11-07 08:31:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_open [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2019-11-07 08:31:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_read [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_write [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_receive [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_wakeup [2019-11-07 08:31:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_init [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_ioctl [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_process [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_txmunge [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_send [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2019-11-07 08:31:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_flush_output [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_input [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_cleanup [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 08:31:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-11-07 08:31:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_17 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_18 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-11-07 08:31:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-11-07 08:31:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-11-07 08:31:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 08:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-11-07 08:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_trylock_bh [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 08:31:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-11-07 08:31:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-11-07 08:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-11-07 08:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-11-07 08:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-11-07 08:31:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-07 08:31:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 08:31:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 08:31:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 08:31:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 08:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 08:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 08:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 08:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_trylock_bh [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-11-07 08:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2019-11-07 08:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 08:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-07 08:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-11-07 08:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_17 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_18 [2019-11-07 08:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-11-07 08:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-11-07 08:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 08:31:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 08:31:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-11-07 08:31:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-11-07 08:31:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-11-07 08:31:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_txmunge [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_send [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_ioctl [2019-11-07 08:31:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_process [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_flush_output [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_input [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2019-11-07 08:31:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_open [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_read [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_write [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_receive [2019-11-07 08:31:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_wakeup [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_init [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_cleanup [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 08:31:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 08:31:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 08:31:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 08:31:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 08:31:22,874 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 08:31:32,236 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 08:31:32,236 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 08:31:32,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:32 BoogieIcfgContainer [2019-11-07 08:31:32,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 08:31:32,239 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 08:31:32,239 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 08:31:32,239 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 08:31:32,241 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:32" (1/1) ... [2019-11-07 08:31:32,241 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 08:31:32,279 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 08:31:32,279 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 08:31:32,295 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 08:31:32,305 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 08:31:32,307 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 08:31:38,817 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-11-07 08:31:40,363 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-11-07 08:31:40,494 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-11-07 08:31:40,726 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-11-07 08:31:41,010 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-11-07 08:31:41,031 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 538 for LOIs