java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:20:22,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:20:22,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:20:22,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:20:22,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:20:22,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:20:22,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:20:22,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:20:22,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:20:22,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:20:22,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:20:22,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:20:22,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:20:22,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:20:22,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:20:22,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:20:22,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:20:22,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:20:22,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:20:22,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:20:22,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:20:22,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:20:22,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:20:22,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:20:22,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:20:22,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:20:22,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:20:22,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:20:22,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:20:22,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:20:22,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:20:22,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:20:22,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:20:22,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:20:22,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:20:22,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:20:22,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:20:22,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:20:22,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:20:22,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:20:22,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:20:22,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:20:22,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:20:22,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:20:22,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:20:22,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:20:22,294 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:20:22,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:20:22,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:20:22,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:20:22,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:20:22,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:20:22,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:20:22,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:20:22,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:20:22,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:20:22,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:20:22,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:20:22,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:20:22,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:20:22,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:20:22,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:20:22,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:20:22,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:20:22,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:20:22,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:20:22,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:20:22,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:20:22,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:20:22,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:20:22,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:20:22,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:20:22,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:20:22,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:20:22,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:20:22,373 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:20:22,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-09-20 22:20:22,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc28327f/6e30126391fa4c8b8a30af6ca6cc44ab/FLAG18cc0f1e5 [2019-09-20 22:20:23,131 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:20:23,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-09-20 22:20:23,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc28327f/6e30126391fa4c8b8a30af6ca6cc44ab/FLAG18cc0f1e5 [2019-09-20 22:20:23,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc28327f/6e30126391fa4c8b8a30af6ca6cc44ab [2019-09-20 22:20:23,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:20:23,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:20:23,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:20:23,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:20:23,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:20:23,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:20:23" (1/1) ... [2019-09-20 22:20:23,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e40aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:23, skipping insertion in model container [2019-09-20 22:20:23,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:20:23" (1/1) ... [2019-09-20 22:20:23,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:20:23,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:20:24,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:20:24,999 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:20:25,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:20:25,300 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:20:25,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25 WrapperNode [2019-09-20 22:20:25,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:20:25,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:20:25,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:20:25,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:20:25,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... [2019-09-20 22:20:25,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:20:25,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:20:25,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:20:25,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:20:25,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:20:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:20:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:20:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:20:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 22:20:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-20 22:20:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2019-09-20 22:20:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 22:20:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 22:20:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 22:20:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 22:20:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 22:20:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 22:20:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 22:20:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 22:20:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 22:20:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 22:20:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_init [2019-09-20 22:20:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_exit [2019-09-20 22:20:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2019-09-20 22:20:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2019-09-20 22:20:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2019-09-20 22:20:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2019-09-20 22:20:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2019-09-20 22:20:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:20:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-20 22:20:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-20 22:20:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-20 22:20:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-20 22:20:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-20 22:20:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-20 22:20:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2019-09-20 22:20:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2019-09-20 22:20:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-20 22:20:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-20 22:20:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-20 22:20:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-20 22:20:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-20 22:20:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-20 22:20:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 22:20:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2019-09-20 22:20:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 22:20:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 22:20:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-20 22:20:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 22:20:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 22:20:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 22:20:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 22:20:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 22:20:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 22:20:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:20:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 22:20:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 22:20:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 22:20:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 22:20:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-20 22:20:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-20 22:20:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-20 22:20:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-20 22:20:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-20 22:20:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-20 22:20:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2019-09-20 22:20:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 22:20:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-20 22:20:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 22:20:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-20 22:20:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:20:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:20:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-20 22:20:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-20 22:20:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-20 22:20:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:20:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:20:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:20:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 22:20:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 22:20:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 22:20:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 22:20:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2019-09-20 22:20:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:20:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 22:20:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 22:20:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 22:20:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 22:20:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 22:20:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 22:20:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 22:20:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 22:20:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 22:20:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2019-09-20 22:20:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 22:20:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2019-09-20 22:20:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2019-09-20 22:20:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2019-09-20 22:20:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2019-09-20 22:20:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2019-09-20 22:20:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2019-09-20 22:20:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_init [2019-09-20 22:20:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:20:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:20:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_exit [2019-09-20 22:20:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:20:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 22:20:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 22:20:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 22:20:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 22:20:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:20:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 22:20:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:20:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-20 22:20:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-20 22:20:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-20 22:20:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-20 22:20:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-20 22:20:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 22:20:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 22:20:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 22:20:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 22:20:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-20 22:20:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-20 22:20:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-20 22:20:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 22:20:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:20:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 22:20:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:20:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:20:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:20:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:20:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 22:20:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 22:20:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 22:20:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 22:20:26,461 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 22:20:29,625 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:20:29,625 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 22:20:29,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:20:29 BoogieIcfgContainer [2019-09-20 22:20:29,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:20:29,627 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:20:29,627 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:20:29,628 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:20:29,629 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:20:29" (1/1) ... [2019-09-20 22:20:29,630 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 22:20:29,652 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:20:29,653 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:20:29,661 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:20:29,669 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:20:29,670 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:20:30,800 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 215 [2019-09-20 22:20:31,743 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-09-20 22:20:32,848 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-09-20 22:20:34,135 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 218 DAG size of output: 200 [2019-09-20 22:20:34,639 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-20 22:20:35,145 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-09-20 22:20:35,153 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 232 for LOIs [2019-09-20 22:20:35,861 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 22:20:37,468 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 310 DAG size of output: 218 [2019-09-20 22:20:38,855 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 239 DAG size of output: 213 [2019-09-20 22:20:39,385 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-09-20 22:20:41,561 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 364 DAG size of output: 226 [2019-09-20 22:20:43,015 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 249 DAG size of output: 221 [2019-09-20 22:20:43,216 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2019-09-20 22:20:46,564 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 376 DAG size of output: 232 [2019-09-20 22:20:48,573 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2019-09-20 22:20:49,209 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 22:20:53,812 WARN L191 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 482 DAG size of output: 265 [2019-09-20 22:20:55,734 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2019-09-20 22:20:57,022 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 257