java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BIN-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko_false-unreach-call.cil.out.i.pp.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-217129f [2018-11-23 20:23:47,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 20:23:47,923 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 20:23:47,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 20:23:47,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 20:23:47,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 20:23:47,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 20:23:47,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 20:23:47,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 20:23:47,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 20:23:47,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 20:23:47,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 20:23:47,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 20:23:47,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 20:23:47,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 20:23:47,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 20:23:47,948 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 20:23:47,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 20:23:47,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 20:23:47,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 20:23:47,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 20:23:47,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 20:23:47,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 20:23:47,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 20:23:47,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 20:23:47,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 20:23:47,964 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 20:23:47,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 20:23:47,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 20:23:47,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 20:23:47,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 20:23:47,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 20:23:47,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 20:23:47,968 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 20:23:47,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 20:23:47,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 20:23:47,970 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-11-23 20:23:47,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 20:23:47,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 20:23:47,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 20:23:47,986 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 20:23:47,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 20:23:47,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 20:23:47,987 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 20:23:47,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 20:23:47,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 20:23:47,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 20:23:47,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 20:23:47,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 20:23:47,988 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 20:23:47,988 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 20:23:47,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 20:23:47,989 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 20:23:47,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 20:23:47,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 20:23:47,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 20:23:47,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 20:23:47,990 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 20:23:47,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 20:23:47,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 20:23:47,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 20:23:47,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 20:23:47,991 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 20:23:47,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 20:23:47,991 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-23 20:23:47,991 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 20:23:47,992 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 20:23:47,992 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 20:23:48,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 20:23:48,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 20:23:48,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 20:23:48,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 20:23:48,066 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 20:23:48,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko_false-unreach-call.cil.out.i.pp.i [2018-11-23 20:23:48,133 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b48bbe7/c16cf950745c4027ab691b2afd794b8c/FLAG9cbf7042d [2018-11-23 20:23:49,005 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 20:23:49,006 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko_false-unreach-call.cil.out.i.pp.i [2018-11-23 20:23:49,067 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b48bbe7/c16cf950745c4027ab691b2afd794b8c/FLAG9cbf7042d [2018-11-23 20:23:49,468 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b48bbe7/c16cf950745c4027ab691b2afd794b8c [2018-11-23 20:23:49,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 20:23:49,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-23 20:23:49,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 20:23:49,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 20:23:49,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 20:23:49,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:49" (1/1) ... [2018-11-23 20:23:49,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c8263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:49, skipping insertion in model container [2018-11-23 20:23:49,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:49" (1/1) ... [2018-11-23 20:23:49,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 20:23:49,708 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 20:23:52,784 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 20:23:52,850 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 20:23:53,302 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 20:23:53,953 INFO L195 MainTranslator]: Completed translation [2018-11-23 20:23:53,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53 WrapperNode [2018-11-23 20:23:53,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 20:23:53,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 20:23:53,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 20:23:53,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 20:23:53,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 20:23:54,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 20:23:54,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 20:23:54,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 20:23:54,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (1/1) ... [2018-11-23 20:23:54,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 20:23:54,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 20:23:54,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 20:23:54,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 20:23:54,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:53" (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 [2018-11-23 20:23:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 20:23:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 20:23:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2018-11-23 20:23:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2018-11-23 20:23:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 20:23:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2018-11-23 20:23:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-23 20:23:54,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-23 20:23:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2018-11-23 20:23:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 20:23:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-23 20:23:54,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2018-11-23 20:23:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2018-11-23 20:23:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2018-11-23 20:23:54,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2018-11-23 20:23:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2018-11-23 20:23:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2018-11-23 20:23:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2018-11-23 20:23:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 20:23:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2018-11-23 20:23:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2018-11-23 20:23:54,587 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2018-11-23 20:23:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 20:23:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2018-11-23 20:23:54,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2018-11-23 20:23:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_1 [2018-11-23 20:23:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_1 [2018-11-23 20:23:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2018-11-23 20:23:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2018-11-23 20:23:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-23 20:23:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2018-11-23 20:23:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2018-11-23 20:23:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2018-11-23 20:23:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2018-11-23 20:23:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2018-11-23 20:23:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2018-11-23 20:23:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2018-11-23 20:23:54,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2018-11-23 20:23:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-23 20:23:54,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-23 20:23:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 20:23:54,590 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 20:23:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 20:23:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 20:23:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 20:23:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2018-11-23 20:23:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-23 20:23:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-23 20:23:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2018-11-23 20:23:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2018-11-23 20:23:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2018-11-23 20:23:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2018-11-23 20:23:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2018-11-23 20:23:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2018-11-23 20:23:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_4 [2018-11-23 20:23:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_4 [2018-11-23 20:23:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2018-11-23 20:23:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2018-11-23 20:23:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2018-11-23 20:23:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2018-11-23 20:23:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2018-11-23 20:23:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2018-11-23 20:23:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2018-11-23 20:23:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2018-11-23 20:23:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2018-11-23 20:23:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2018-11-23 20:23:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 20:23:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2018-11-23 20:23:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2018-11-23 20:23:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2018-11-23 20:23:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-11-23 20:23:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-11-23 20:23:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 20:23:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 20:23:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2018-11-23 20:23:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-23 20:23:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-23 20:23:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 20:23:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 20:23:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2018-11-23 20:23:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2018-11-23 20:23:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2018-11-23 20:23:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2018-11-23 20:23:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2018-11-23 20:23:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 20:23:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 20:23:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 20:23:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 20:23:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-23 20:23:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 20:23:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 20:23:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2018-11-23 20:23:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2018-11-23 20:23:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2018-11-23 20:23:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2018-11-23 20:23:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2018-11-23 20:23:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2018-11-23 20:23:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2018-11-23 20:23:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2018-11-23 20:23:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-23 20:23:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2018-11-23 20:23:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2018-11-23 20:23:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2018-11-23 20:23:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2018-11-23 20:23:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 20:23:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 20:23:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2018-11-23 20:23:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2018-11-23 20:23:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2018-11-23 20:23:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2018-11-23 20:23:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2018-11-23 20:23:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2018-11-23 20:23:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2018-11-23 20:23:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 20:23:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 20:23:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 20:23:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2018-11-23 20:23:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2018-11-23 20:23:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2018-11-23 20:23:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2018-11-23 20:23:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2018-11-23 20:23:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2018-11-23 20:23:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2018-11-23 20:23:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2018-11-23 20:23:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2018-11-23 20:23:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 20:23:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 20:23:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2018-11-23 20:23:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2018-11-23 20:23:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2018-11-23 20:23:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2018-11-23 20:23:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2018-11-23 20:23:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2018-11-23 20:23:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 20:23:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 20:23:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 20:23:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure sk_chk_filter [2018-11-23 20:23:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 20:23:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-23 20:23:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-23 20:23:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 20:23:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 20:23:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 20:23:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2018-11-23 20:23:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2018-11-23 20:23:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2018-11-23 20:23:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-23 20:23:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 20:23:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 20:23:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 20:23:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-11-23 20:23:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2018-11-23 20:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2018-11-23 20:23:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2018-11-23 20:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2018-11-23 20:23:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 20:23:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2018-11-23 20:23:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2018-11-23 20:23:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 20:23:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 20:23:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2018-11-23 20:23:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2018-11-23 20:23:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 20:23:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 20:23:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2018-11-23 20:23:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2018-11-23 20:23:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2018-11-23 20:23:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2018-11-23 20:23:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2018-11-23 20:23:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 20:23:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 20:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 20:23:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 20:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 20:23:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2018-11-23 20:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2018-11-23 20:23:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2018-11-23 20:23:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 20:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 20:23:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2018-11-23 20:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2018-11-23 20:23:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2018-11-23 20:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2018-11-23 20:23:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2018-11-23 20:23:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 20:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 20:23:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2018-11-23 20:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2018-11-23 20:23:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-23 20:23:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 20:23:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 20:23:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 20:23:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2018-11-23 20:23:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2018-11-23 20:23:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 20:23:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2018-11-23 20:23:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2018-11-23 20:23:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2018-11-23 20:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2018-11-23 20:23:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2018-11-23 20:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2018-11-23 20:23:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2018-11-23 20:23:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2018-11-23 20:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2018-11-23 20:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-23 20:23:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-23 20:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2018-11-23 20:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-11-23 20:23:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-11-23 20:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2018-11-23 20:23:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2018-11-23 20:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 20:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2018-11-23 20:23:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2018-11-23 20:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 20:23:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2018-11-23 20:23:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2018-11-23 20:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-23 20:23:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-23 20:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 20:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-23 20:23:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-23 20:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2018-11-23 20:23:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2018-11-23 20:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2018-11-23 20:23:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2018-11-23 20:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2018-11-23 20:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 20:23:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 20:23:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new_above [2018-11-23 20:23:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2018-11-23 20:23:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2018-11-23 20:23:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2018-11-23 20:23:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2018-11-23 20:23:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2018-11-23 20:23:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2018-11-23 20:23:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-11-23 20:23:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2018-11-23 20:23:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 20:23:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2018-11-23 20:23:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2018-11-23 20:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-23 20:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-23 20:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2018-11-23 20:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2018-11-23 20:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 20:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 20:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-11-23 20:23:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-11-23 20:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-23 20:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 20:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2018-11-23 20:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 20:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2018-11-23 20:23:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2018-11-23 20:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 20:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 20:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2018-11-23 20:23:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2018-11-23 20:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 20:23:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 20:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-11-23 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-11-23 20:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2018-11-23 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2018-11-23 20:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2018-11-23 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2018-11-23 20:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2018-11-23 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2018-11-23 20:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 20:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2018-11-23 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2018-11-23 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2018-11-23 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2018-11-23 20:23:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2018-11-23 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 20:23:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-11-23 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-11-23 20:23:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-11-23 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2018-11-23 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 20:23:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2018-11-23 20:23:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2018-11-23 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 20:23:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2018-11-23 20:23:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2018-11-23 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-23 20:23:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-23 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-11-23 20:23:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-11-23 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 20:23:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2018-11-23 20:23:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2018-11-23 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2018-11-23 20:23:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2018-11-23 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 20:23:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2018-11-23 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2018-11-23 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2018-11-23 20:23:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2018-11-23 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2018-11-23 20:23:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2018-11-23 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-23 20:23:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-23 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2018-11-23 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2018-11-23 20:23:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2018-11-23 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 20:23:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2018-11-23 20:23:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2018-11-23 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2018-11-23 20:23:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2018-11-23 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2018-11-23 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2018-11-23 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2018-11-23 20:23:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2018-11-23 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2018-11-23 20:23:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2018-11-23 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2018-11-23 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2018-11-23 20:23:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2018-11-23 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2018-11-23 20:23:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2018-11-23 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 20:23:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-11-23 20:23:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-11-23 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2018-11-23 20:23:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2018-11-23 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 20:23:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 20:23:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 20:23:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2018-11-23 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 20:23:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2018-11-23 20:23:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2018-11-23 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2018-11-23 20:23:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2018-11-23 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 20:23:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 20:23:59,208 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,208 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,209 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,992 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,992 WARN L610 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 20:23:59,993 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,993 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,993 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,994 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,994 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,995 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,995 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,995 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,996 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,997 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,997 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:23:59,997 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:05,129 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:05,129 WARN L610 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 20:24:10,617 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:10,618 WARN L610 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 20:24:10,843 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:10,844 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,013 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,013 WARN L610 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 20:24:18,013 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,013 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,013 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,014 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,015 WARN L610 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 20:24:18,015 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,015 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,015 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,016 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,016 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,016 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,016 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,016 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,017 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,017 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,017 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,017 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,018 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,018 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,018 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,018 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,018 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,019 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,019 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,019 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,019 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,020 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,021 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:18,021 WARN L645 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 20:24:21,187 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 20:24:21,188 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-23 20:24:21,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:21 BoogieIcfgContainer [2018-11-23 20:24:21,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 20:24:21,191 INFO L168 Benchmark]: Toolchain (without parser) took 31711.98 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -695.9 MB). Peak memory consumption was 886.5 MB. Max. memory is 7.1 GB. [2018-11-23 20:24:21,193 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 20:24:21,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4473.23 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -419.5 MB). Peak memory consumption was 326.6 MB. Max. memory is 7.1 GB. [2018-11-23 20:24:21,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.15 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 20:24:21,195 INFO L168 Benchmark]: Boogie Preprocessor took 358.31 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2018-11-23 20:24:21,196 INFO L168 Benchmark]: RCFGBuilder took 26683.36 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 318.2 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -319.3 MB). Peak memory consumption was 542.8 MB. Max. memory is 7.1 GB. [2018-11-23 20:24:21,200 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4473.23 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -419.5 MB). Peak memory consumption was 326.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 190.15 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 358.31 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 26683.36 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 318.2 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -319.3 MB). Peak memory consumption was 542.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...