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 TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --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 23:10:49,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:10:49,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:10:49,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:10:49,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:10:49,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:10:49,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:10:49,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:10:49,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:10:49,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:10:49,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:10:49,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:10:49,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:10:49,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:10:49,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:10:49,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:10:49,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:10:49,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:10:49,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:10:49,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:10:49,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:10:49,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:10:49,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:10:49,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:10:49,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:10:49,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:10:49,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:10:49,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:10:49,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:10:49,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:10:49,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:10:49,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:10:49,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:10:49,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:10:49,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:10:49,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:10:49,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:10:49,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:10:49,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:10:49,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:10:49,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:10:49,348 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 23:10:49,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:10:49,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:10:49,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:10:49,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:10:49,375 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:10:49,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:10:49,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:10:49,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:10:49,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:10:49,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:10:49,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:10:49,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:10:49,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:10:49,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:10:49,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:10:49,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:10:49,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:10:49,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:10:49,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:10:49,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:10:49,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:10:49,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:10:49,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:10:49,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:10:49,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:10:49,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:10:49,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:10:49,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:10:49,382 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:10:49,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:10:49,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:10:49,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:10:49,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:10:49,472 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:10:49,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-09-20 23:10:49,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce99fa36/a33f1a00e7ca4ed28a643c2ebab317a5/FLAGd7edf2de9 [2019-09-20 23:10:50,274 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:10:50,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-09-20 23:10:50,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce99fa36/a33f1a00e7ca4ed28a643c2ebab317a5/FLAGd7edf2de9 [2019-09-20 23:10:50,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce99fa36/a33f1a00e7ca4ed28a643c2ebab317a5 [2019-09-20 23:10:50,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:10:50,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:10:50,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:10:50,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:10:50,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:10:50,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:10:50" (1/1) ... [2019-09-20 23:10:50,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1546b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:50, skipping insertion in model container [2019-09-20 23:10:50,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:10:50" (1/1) ... [2019-09-20 23:10:50,423 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:10:50,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:10:51,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:10:51,709 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:10:51,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:10:52,056 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:10:52,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52 WrapperNode [2019-09-20 23:10:52,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:10:52,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:10:52,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:10:52,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:10:52,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... [2019-09-20 23:10:52,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:10:52,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:10:52,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:10:52,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:10:52,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:10:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:10:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:10:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:10:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 23:10:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-20 23:10:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2019-09-20 23:10:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 23:10:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 23:10:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 23:10:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 23:10:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 23:10:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 23:10:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 23:10:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 23:10:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 23:10:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 23:10:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_init [2019-09-20 23:10:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_exit [2019-09-20 23:10:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2019-09-20 23:10:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2019-09-20 23:10:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2019-09-20 23:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2019-09-20 23:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2019-09-20 23:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-20 23:10:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-20 23:10:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-20 23:10:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-20 23:10:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-20 23:10:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-20 23:10:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-20 23:10:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-20 23:10:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 23:10:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 23:10:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 23:10:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 23:10:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-20 23:10:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-20 23:10:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 23:10:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 23:10:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 23:10:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 23:10:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 23:10:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 23:10:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:10:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 23:10:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 23:10:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 23:10:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 23:10:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-20 23:10:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-20 23:10:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-20 23:10:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-20 23:10:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-20 23:10:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-20 23:10:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2019-09-20 23:10:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 23:10:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-20 23:10:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 23:10:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-20 23:10:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:10:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:10:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-20 23:10:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-20 23:10:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-20 23:10:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:10:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:10:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:10:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 23:10:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 23:10:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:10:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:10:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2019-09-20 23:10:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:10:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 23:10:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 23:10:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 23:10:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 23:10:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 23:10:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 23:10:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 23:10:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 23:10:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2019-09-20 23:10:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_init [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:10:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_exit [2019-09-20 23:10:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:10:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 23:10:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 23:10:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 23:10:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 23:10:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:10:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 23:10:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:10:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-20 23:10:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-20 23:10:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-20 23:10:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-20 23:10:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-20 23:10:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 23:10:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 23:10:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 23:10:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:10:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 23:10:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:10:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 23:10:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 23:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 23:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 23:10:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 23:10:53,246 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 23:10:57,020 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:10:57,021 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:10:57,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:10:57 BoogieIcfgContainer [2019-09-20 23:10:57,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:10:57,023 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:10:57,023 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:10:57,023 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:10:57,024 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:10:57" (1/1) ... [2019-09-20 23:10:57,025 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 23:10:57,054 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:10:57,054 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:10:57,067 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:10:57,082 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:10:57,083 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:10:58,640 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 222 [2019-09-20 23:10:59,916 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 218 DAG size of output: 200 [2019-09-20 23:11:00,386 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-20 23:11:00,865 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-09-20 23:11:01,329 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-09-20 23:11:01,754 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-09-20 23:11:01,769 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 49 for LOIs [2019-09-20 23:11:03,134 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 23:11:03,288 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 23:11:03,703 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:11:08,174 WARN L191 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2019-09-20 23:11:09,619 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 23:11:10,757 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 23:11:11,639 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 23:11:12,343 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 23:11:12,968 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 23:11:13,532 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 23:11:14,049 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:11:14,507 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:11:14,914 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:11:15,213 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:11:15,467 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:11:15,694 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:11:22,244 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_build_header_#t~union65.eth.h_dest_3| 3) (select |v_build_header_#t~union65.eth.h_dest_3| 5)) [2019-09-20 23:11:24,268 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_build_header_#t~union65.eth.h_dest_3| 3) (select |v_build_header_#t~union65.eth.h_dest_3| 5)) [2019-09-20 23:11:26,318 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_build_header_#t~union65.eth.h_dest_3| 4) (select |v_build_header_#t~union65.eth.h_dest_3| 5)) [2019-09-20 23:11:28,335 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |v_build_header_#t~union65.eth.h_dest_3| 4) (select |v_build_header_#t~union65.eth.h_dest_3| 5)) [2019-09-20 23:11:30,343 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |v_build_header_#t~union65.eth.h_dest_3| 1) (select |v_build_header_#t~union65.eth.h_dest_3| 5))