java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:17:02,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:17:02,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:17:02,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:17:02,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:17:02,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:17:02,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:17:02,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:17:02,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:17:02,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:17:02,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:17:02,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:17:02,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:17:02,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:17:02,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:17:02,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:17:02,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:17:02,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:17:02,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:17:02,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:17:02,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:17:02,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:17:02,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:17:02,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:17:02,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:17:02,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:17:02,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:17:02,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:17:02,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:17:02,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:17:02,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:17:02,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:17:02,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:17:02,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:17:02,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:17:02,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:17:02,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:17:02,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:17:02,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:17:02,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:17:02,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:17:02,175 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 [2019-10-14 02:17:02,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:17:02,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:17:02,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:17:02,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:17:02,197 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:17:02,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:17:02,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:17:02,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:17:02,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:17:02,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:17:02,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:17:02,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:17:02,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:17:02,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:17:02,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:17:02,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:17:02,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:17:02,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:17:02,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:17:02,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:17:02,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:17:02,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:17:02,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:17:02,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:17:02,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:17:02,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:17:02,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:17:02,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:17:02,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:17:02,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:17:02,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:17:02,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:17:02,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:17:02,534 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:17:02,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-10-14 02:17:02,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0a95571/bd3b7fb1697948558ebcb6fcab70f7f0/FLAG0b1964a85 [2019-10-14 02:17:03,445 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:17:03,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-10-14 02:17:03,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0a95571/bd3b7fb1697948558ebcb6fcab70f7f0/FLAG0b1964a85 [2019-10-14 02:17:03,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0a95571/bd3b7fb1697948558ebcb6fcab70f7f0 [2019-10-14 02:17:03,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:17:03,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:17:03,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:17:03,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:17:03,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:17:03,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:17:03" (1/1) ... [2019-10-14 02:17:03,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f69be82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:03, skipping insertion in model container [2019-10-14 02:17:03,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:17:03" (1/1) ... [2019-10-14 02:17:03,523 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:17:03,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:17:04,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:17:04,755 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:17:05,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:17:05,076 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:17:05,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05 WrapperNode [2019-10-14 02:17:05,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:17:05,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:17:05,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:17:05,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:17:05,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... [2019-10-14 02:17:05,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:17:05,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:17:05,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:17:05,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:17:05,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:17:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:17:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:17:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:17:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 02:17:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 02:17:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 02:17:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 02:17:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 02:17:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 02:17:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 02:17:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 02:17:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 02:17:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 02:17:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-10-14 02:17:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-10-14 02:17:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-10-14 02:17:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-10-14 02:17:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-10-14 02:17:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-10-14 02:17:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-10-14 02:17:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-10-14 02:17:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 02:17:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-14 02:17:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-14 02:17:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 02:17:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-14 02:17:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 02:17:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 02:17:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 02:17:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-10-14 02:17:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:17:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 02:17:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 02:17:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-14 02:17:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:17:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:17:06,299 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 02:17:06,317 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-14 02:17:07,184 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:17:07,184 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:17:07,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:17:07 BoogieIcfgContainer [2019-10-14 02:17:07,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:17:07,187 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:17:07,187 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:17:07,187 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:17:07,189 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:17:07" (1/1) ... [2019-10-14 02:17:07,189 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:17:07,218 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:17:07,218 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:17:07,228 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:17:07,238 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:17:07,240 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:17:07,855 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-14 02:17:08,517 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-14 02:17:08,672 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-10-14 02:17:08,715 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 502 for LOIs [2019-10-14 02:17:09,606 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:09,812 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-14 02:17:10,221 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2019-10-14 02:17:10,621 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:10,744 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-10-14 02:17:10,956 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:11,119 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:17:13,918 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:14,212 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-14 02:17:14,682 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:14,798 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-10-14 02:17:15,012 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:15,133 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:17:17,709 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:18,003 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:18,127 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:17:18,341 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:20,721 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:21,236 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-14 02:17:21,501 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:21,646 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-14 02:17:21,866 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:21,973 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-14 02:17:24,350 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:24,517 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 553 [2019-10-14 02:17:24,654 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-14 02:17:25,295 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:27,914 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:27,969 WARN L98 DagInterpreter]: A function never reaches its return [2019-10-14 02:17:28,098 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 554 [2019-10-14 02:17:28,280 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-14 02:17:28,511 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 556 [2019-10-14 02:17:28,743 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-14 02:17:28,969 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 554 [2019-10-14 02:17:29,158 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-14 02:17:29,838 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:32,125 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:32,454 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:32,599 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-10-14 02:17:32,895 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-14 02:17:33,070 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:17:33,314 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 02:17:33,582 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-10-14 02:17:36,040 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-14 02:17:36,527 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-14 02:17:36,818 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89