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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:52:45,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:52:45,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:52:45,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:52:45,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:52:45,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:52:45,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:52:45,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:52:45,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:52:45,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:52:45,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:52:45,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:52:45,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:52:45,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:52:45,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:52:45,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:52:45,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:52:45,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:52:45,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:52:45,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:52:45,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:52:45,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:52:45,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:52:45,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:52:45,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:52:45,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:52:45,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:52:45,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:52:45,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:52:45,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:52:45,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:52:45,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:52:45,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:52:45,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:52:45,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:52:45,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:52:45,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:52:45,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:52:45,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:52:45,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:52:45,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:52:45,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:52:45,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:52:45,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:52:45,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:52:45,883 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:52:45,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:52:45,884 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:52:45,884 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:52:45,884 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:52:45,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:52:45,884 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:52:45,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:52:45,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:52:45,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:52:45,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:52:45,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:52:45,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:52:45,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:52:45,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:52:45,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:52:45,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:52:45,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:52:45,887 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:52:45,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:52:45,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:52:45,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:52:45,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:52:45,888 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:52:45,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:52:45,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:52:45,889 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:52:45,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:52:45,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:52:45,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:52:45,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:52:45,938 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:52:45,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-10-03 00:52:46,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb3d8fe5/383077331ad34b34a784050357ae5734/FLAGaaefa1b1a [2019-10-03 00:52:46,963 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:52:46,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-10-03 00:52:47,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb3d8fe5/383077331ad34b34a784050357ae5734/FLAGaaefa1b1a [2019-10-03 00:52:47,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb3d8fe5/383077331ad34b34a784050357ae5734 [2019-10-03 00:52:47,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:52:47,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:52:47,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:47,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:52:47,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:52:47,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:47" (1/1) ... [2019-10-03 00:52:47,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd5e0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:47, skipping insertion in model container [2019-10-03 00:52:47,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:47" (1/1) ... [2019-10-03 00:52:47,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:52:47,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:52:51,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:51,433 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:52:51,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:52,555 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:52:52,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52 WrapperNode [2019-10-03 00:52:52,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:52,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:52:52,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:52:52,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:52:52,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:52,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (1/1) ... [2019-10-03 00:52:53,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:52:53,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:52:53,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:52:53,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:52:53,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (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 [2019-10-03 00:52:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-03 00:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-03 00:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-03 00:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-10-03 00:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-10-03 00:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 00:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 00:52:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-03 00:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-03 00:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-03 00:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-03 00:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 00:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 00:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-10-03 00:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 00:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-03 00:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 00:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-03 00:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 00:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-03 00:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-03 00:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-03 00:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-10-03 00:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-03 00:52:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-03 00:52:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-03 00:52:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-03 00:52:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:52:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-03 00:52:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2019-10-03 00:52:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-10-03 00:52:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-03 00:52:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-03 00:52:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-03 00:52:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-03 00:52:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-03 00:52:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-03 00:52:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-03 00:52:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-03 00:52:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-03 00:52:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-10-03 00:52:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2019-10-03 00:52:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:52:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:52:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:52:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:52:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:52:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:52:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:52:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-10-03 00:52:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-03 00:52:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2019-10-03 00:52:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-10-03 00:52:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2019-10-03 00:52:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2019-10-03 00:52:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2019-10-03 00:52:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2019-10-03 00:52:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2019-10-03 00:52:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2019-10-03 00:52:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2019-10-03 00:52:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2019-10-03 00:52:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2019-10-03 00:52:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2019-10-03 00:52:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2019-10-03 00:52:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2019-10-03 00:52:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2019-10-03 00:52:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2019-10-03 00:52:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2019-10-03 00:52:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2019-10-03 00:52:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-10-03 00:52:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-10-03 00:52:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2019-10-03 00:52:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2019-10-03 00:52:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2019-10-03 00:52:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2019-10-03 00:52:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2019-10-03 00:52:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2019-10-03 00:52:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2019-10-03 00:52:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-10-03 00:52:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2019-10-03 00:52:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-03 00:52:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-10-03 00:52:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2019-10-03 00:52:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-03 00:52:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2019-10-03 00:52:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2019-10-03 00:52:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2019-10-03 00:52:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2019-10-03 00:52:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2019-10-03 00:52:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2019-10-03 00:52:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2019-10-03 00:52:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2019-10-03 00:52:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2019-10-03 00:52:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 00:52:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 00:52:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_18 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_21 [2019-10-03 00:52:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_23 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_24 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_26 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_29 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_30 [2019-10-03 00:52:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_31 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_32 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_34 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_36 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-10-03 00:52:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_41 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_43 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_45 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_46 [2019-10-03 00:52:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_47 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_48 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_49 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_50 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_53 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_54 [2019-10-03 00:52:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_56 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_57 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_58 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_59 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_60 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2019-10-03 00:52:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_64 [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_65 [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:52:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:52:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:52:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 00:52:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-03 00:52:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2019-10-03 00:52:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 00:52:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-03 00:52:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 00:52:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-03 00:52:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2019-10-03 00:52:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2019-10-03 00:52:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-03 00:52:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-03 00:52:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-03 00:52:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-03 00:52:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-03 00:52:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-03 00:52:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-03 00:52:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-03 00:52:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2019-10-03 00:52:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-03 00:52:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-03 00:52:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 00:52:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_chk_filter [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:52:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2019-10-03 00:52:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:52:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-03 00:52:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:52:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:52:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:52:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:52:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-03 00:52:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:52:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 00:52:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-03 00:52:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:52:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-03 00:52:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-03 00:52:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 00:52:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-03 00:52:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2019-10-03 00:52:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-03 00:52:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-03 00:52:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-03 00:52:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-03 00:52:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-03 00:52:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-03 00:52:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:52:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-03 00:52:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:52:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:52:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 00:52:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 00:52:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 00:52:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-03 00:52:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:52:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_31 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_32 [2019-10-03 00:52:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2019-10-03 00:52:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_34 [2019-10-03 00:52:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-10-03 00:52:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-10-03 00:52:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2019-10-03 00:52:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2019-10-03 00:52:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_43 [2019-10-03 00:52:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_46 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_48 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_49 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_53 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_56 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_57 [2019-10-03 00:52:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_58 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_59 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_60 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_64 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_23 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_24 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_26 [2019-10-03 00:52:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_29 [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_30 [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_45 [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_54 [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2019-10-03 00:52:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-03 00:52:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-03 00:52:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_21 [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_36 [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_41 [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_47 [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 00:52:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-03 00:52:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:52:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:52:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:52:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-03 00:52:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_18 [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-03 00:52:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-03 00:52:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_65 [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_50 [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-03 00:52:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:52:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure sk_chk_filter [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-10-03 00:52:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2019-10-03 00:52:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2019-10-03 00:52:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2019-10-03 00:52:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2019-10-03 00:52:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2019-10-03 00:52:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2019-10-03 00:52:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2019-10-03 00:52:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2019-10-03 00:52:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:52:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:52:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:52:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 00:52:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:52:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:52:54,918 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:53:11,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:53:11,476 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:53:11,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:11 BoogieIcfgContainer [2019-10-03 00:53:11,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:53:11,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:53:11,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:53:11,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:53:11,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:52:47" (1/3) ... [2019-10-03 00:53:11,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d83b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:11, skipping insertion in model container [2019-10-03 00:53:11,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:52" (2/3) ... [2019-10-03 00:53:11,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d83b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:11, skipping insertion in model container [2019-10-03 00:53:11,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:11" (3/3) ... [2019-10-03 00:53:11,490 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-10-03 00:53:11,501 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:53:11,518 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:53:11,537 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:53:11,576 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:53:11,576 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:53:11,576 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:53:11,576 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:53:11,577 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:53:11,577 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:53:11,577 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:53:11,577 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:53:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states. [2019-10-03 00:53:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-03 00:53:11,702 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:11,704 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:11,706 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1654980612, now seen corresponding path program 1 times [2019-10-03 00:53:11,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:11,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:11,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:11,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:11,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 00:53:12,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:12,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:53:12,673 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:12,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:53:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:53:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:53:12,700 INFO L87 Difference]: Start difference. First operand 2871 states. Second operand 6 states. [2019-10-03 00:53:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:18,643 INFO L93 Difference]: Finished difference Result 5573 states and 7599 transitions. [2019-10-03 00:53:18,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 00:53:18,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-10-03 00:53:18,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:18,717 INFO L225 Difference]: With dead ends: 5573 [2019-10-03 00:53:18,717 INFO L226 Difference]: Without dead ends: 5508 [2019-10-03 00:53:18,719 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:53:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2019-10-03 00:53:19,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5508. [2019-10-03 00:53:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5508 states. [2019-10-03 00:53:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 7505 transitions. [2019-10-03 00:53:19,123 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 7505 transitions. Word has length 92 [2019-10-03 00:53:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:19,128 INFO L475 AbstractCegarLoop]: Abstraction has 5508 states and 7505 transitions. [2019-10-03 00:53:19,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:53:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 7505 transitions. [2019-10-03 00:53:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-03 00:53:19,153 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:19,154 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-10-03 00:53:19,155 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:19,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:19,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2133436232, now seen corresponding path program 1 times [2019-10-03 00:53:19,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:19,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:19,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:19,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:19,178 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-03 00:53:19,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:19,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:19,592 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:19,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:19,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:19,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:19,595 INFO L87 Difference]: Start difference. First operand 5508 states and 7505 transitions. Second operand 3 states. [2019-10-03 00:53:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:20,044 INFO L93 Difference]: Finished difference Result 9386 states and 12696 transitions. [2019-10-03 00:53:20,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:20,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-03 00:53:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:20,126 INFO L225 Difference]: With dead ends: 9386 [2019-10-03 00:53:20,126 INFO L226 Difference]: Without dead ends: 9386 [2019-10-03 00:53:20,127 INFO L640 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 [2019-10-03 00:53:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9386 states. [2019-10-03 00:53:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9386 to 9338. [2019-10-03 00:53:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9338 states. [2019-10-03 00:53:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9338 states to 9338 states and 12645 transitions. [2019-10-03 00:53:20,495 INFO L78 Accepts]: Start accepts. Automaton has 9338 states and 12645 transitions. Word has length 133 [2019-10-03 00:53:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:20,498 INFO L475 AbstractCegarLoop]: Abstraction has 9338 states and 12645 transitions. [2019-10-03 00:53:20,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 9338 states and 12645 transitions. [2019-10-03 00:53:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-03 00:53:20,511 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:20,512 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-10-03 00:53:20,512 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:20,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:20,512 INFO L82 PathProgramCache]: Analyzing trace with hash -186536081, now seen corresponding path program 1 times [2019-10-03 00:53:20,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:20,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:20,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:20,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:20,531 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 00:53:20,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:20,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:20,790 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:20,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:20,793 INFO L87 Difference]: Start difference. First operand 9338 states and 12645 transitions. Second operand 3 states. [2019-10-03 00:53:21,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:21,253 INFO L93 Difference]: Finished difference Result 17902 states and 24463 transitions. [2019-10-03 00:53:21,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:21,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-03 00:53:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:21,583 INFO L225 Difference]: With dead ends: 17902 [2019-10-03 00:53:21,583 INFO L226 Difference]: Without dead ends: 17902 [2019-10-03 00:53:21,584 INFO L640 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 [2019-10-03 00:53:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17902 states. [2019-10-03 00:53:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17902 to 17754. [2019-10-03 00:53:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17754 states. [2019-10-03 00:53:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17754 states to 17754 states and 24282 transitions. [2019-10-03 00:53:22,145 INFO L78 Accepts]: Start accepts. Automaton has 17754 states and 24282 transitions. Word has length 139 [2019-10-03 00:53:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:22,146 INFO L475 AbstractCegarLoop]: Abstraction has 17754 states and 24282 transitions. [2019-10-03 00:53:22,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17754 states and 24282 transitions. [2019-10-03 00:53:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 00:53:22,155 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:22,155 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 3, 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] [2019-10-03 00:53:22,155 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:22,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:22,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1324213110, now seen corresponding path program 1 times [2019-10-03 00:53:22,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:22,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:22,173 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-10-03 00:53:22,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:53:22,446 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:53:22,447 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2019-10-03 00:53:22,450 INFO L207 CegarAbsIntRunner]: [58], [59], [379], [381], [385], [387], [388], [405], [646], [647], [650], [652], [654], [655], [1175], [1177], [1180], [1182], [1184], [1187], [1205], [1206], [1249], [1251], [1253], [1254], [1334], [1335], [1545], [1548], [1552], [1559], [1560], [1584], [1586], [1587], [1696], [1697], [1733], [1903], [1905], [1906], [2421], [2425], [2427], [2430], [2464], [2465], [2900], [2902], [2904], [2906], [2908], [2910], [2912], [2914], [2916], [2918], [2920], [3075], [3078], [3081], [3093], [3096], [3099], [3101], [3104], [3106], [3112], [3132], [3135], [3138], [3141], [3148], [3152], [3154], [3456], [3465], [3470], [3482], [3486], [3523], [3524], [5044], [5046], [5051], [5392], [5393], [5394], [5395], [5456], [5457], [5458], [5459], [5584], [5585], [5586], [5587], [5596], [5597], [5606], [5607], [5608], [5609], [5740], [5741], [5792], [5793], [5850], [5851], [5994], [5995], [6162], [6163], [6164], [6165], [6166], [6167], [6168], [6169], [6170], [6171], [6172], [6173], [6174], [6175], [6176], [6177], [6178], [6179], [6206], [6207], [6214], [6215], [6240], [6656], [6657], [6658], [6660], [6661], [6662] [2019-10-03 00:53:22,505 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:53:22,505 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:53:22,666 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:53:22,667 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 250 root evaluator evaluations with a maximum evaluation depth of 0. Performed 250 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 542 variables. [2019-10-03 00:53:22,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:22,672 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:53:22,773 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:53:22,773 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:53:22,778 INFO L420 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2019-10-03 00:53:22,778 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:53:22,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:53:22,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 00:53:22,779 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:22,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:53:22,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:53:22,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:53:22,781 INFO L87 Difference]: Start difference. First operand 17754 states and 24282 transitions. Second operand 2 states. [2019-10-03 00:53:22,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:22,782 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:53:22,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:53:22,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 191 [2019-10-03 00:53:22,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:22,782 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:53:22,782 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:53:22,783 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:53:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:53:22,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:53:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:53:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:53:22,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-10-03 00:53:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:22,784 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:53:22,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:53:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:53:22,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:53:22,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:53:22 BoogieIcfgContainer [2019-10-03 00:53:22,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:53:22,793 INFO L168 Benchmark]: Toolchain (without parser) took 35451.02 ms. Allocated memory was 132.6 MB in the beginning and 1.0 GB in the end (delta: 909.6 MB). Free memory was 74.4 MB in the beginning and 534.8 MB in the end (delta: -460.4 MB). Peak memory consumption was 449.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:22,794 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-03 00:53:22,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5214.93 ms. Allocated memory was 132.6 MB in the beginning and 279.4 MB in the end (delta: 146.8 MB). Free memory was 74.0 MB in the beginning and 140.5 MB in the end (delta: -66.5 MB). Peak memory consumption was 159.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:22,796 INFO L168 Benchmark]: Boogie Preprocessor took 479.83 ms. Allocated memory is still 279.4 MB. Free memory was 140.5 MB in the beginning and 93.5 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:22,797 INFO L168 Benchmark]: RCFGBuilder took 18442.35 ms. Allocated memory was 279.4 MB in the beginning and 985.1 MB in the end (delta: 705.7 MB). Free memory was 93.5 MB in the beginning and 352.0 MB in the end (delta: -258.4 MB). Peak memory consumption was 675.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:22,799 INFO L168 Benchmark]: TraceAbstraction took 11308.97 ms. Allocated memory was 985.1 MB in the beginning and 1.0 GB in the end (delta: 57.1 MB). Free memory was 352.0 MB in the beginning and 534.8 MB in the end (delta: -182.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:53:22,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5214.93 ms. Allocated memory was 132.6 MB in the beginning and 279.4 MB in the end (delta: 146.8 MB). Free memory was 74.0 MB in the beginning and 140.5 MB in the end (delta: -66.5 MB). Peak memory consumption was 159.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 479.83 ms. Allocated memory is still 279.4 MB. Free memory was 140.5 MB in the beginning and 93.5 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18442.35 ms. Allocated memory was 279.4 MB in the beginning and 985.1 MB in the end (delta: 705.7 MB). Free memory was 93.5 MB in the beginning and 352.0 MB in the end (delta: -258.4 MB). Peak memory consumption was 675.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11308.97 ms. Allocated memory was 985.1 MB in the beginning and 1.0 GB in the end (delta: 57.1 MB). Free memory was 352.0 MB in the beginning and 534.8 MB in the end (delta: -182.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 341 procedures, 2952 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 4 OverallIterations, 11 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14948 SDtfs, 9820 SDslu, 25830 SDs, 0 SdLazy, 1532 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17754occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.473684210526316 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 196 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 91513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 616/619 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...