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 0.1.24-13a467a-m [2019-10-15 06:22:13,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:22:13,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:22:13,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:22:13,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:22:13,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:22:13,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:22:13,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:22:13,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:22:13,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:22:13,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:22:13,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:22:13,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:22:13,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:22:13,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:22:13,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:22:13,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:22:13,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:22:13,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:22:13,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:22:13,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:22:13,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:22:13,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:22:13,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:22:13,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:22:13,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:22:13,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:22:13,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:22:13,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:22:13,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:22:13,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:22:13,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:22:13,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:22:13,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:22:13,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:22:13,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:22:13,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:22:13,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:22:13,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:22:13,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:22:13,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:22:13,946 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 [2019-10-15 06:22:13,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:22:13,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:22:13,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:22:13,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:22:13,972 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:22:13,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:22:13,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:22:13,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:22:13,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:22:13,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:22:13,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:22:13,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:22:13,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:22:13,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:22:13,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:22:13,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:22:13,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:22:13,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:22:13,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:22:13,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:22:13,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:22:13,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:22:13,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:22:13,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:22:13,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:22:13,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:22:13,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:22:13,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:22:13,977 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 [2019-10-15 06:22:14,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:22:14,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:22:14,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:22:14,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:22:14,288 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:22:14,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-10-15 06:22:14,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e2f38b2/16f0593fae8d47249929240d5a67501d/FLAGa848f9ce9 [2019-10-15 06:22:15,153 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:22:15,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-10-15 06:22:15,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e2f38b2/16f0593fae8d47249929240d5a67501d/FLAGa848f9ce9 [2019-10-15 06:22:15,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e2f38b2/16f0593fae8d47249929240d5a67501d [2019-10-15 06:22:15,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:22:15,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:22:15,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:22:15,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:22:15,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:22:15,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:22:15" (1/1) ... [2019-10-15 06:22:15,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1cb604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:15, skipping insertion in model container [2019-10-15 06:22:15,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:22:15" (1/1) ... [2019-10-15 06:22:15,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:22:15,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:22:17,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:22:17,061 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:22:17,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:22:17,380 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:22:17,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17 WrapperNode [2019-10-15 06:22:17,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:22:17,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:22:17,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:22:17,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:22:17,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (1/1) ... [2019-10-15 06:22:17,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:22:17,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:22:17,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:22:17,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:22:17,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:22:17" (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 [2019-10-15 06:22:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:22:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:22:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-15 06:22:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 06:22:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 06:22:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 06:22:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 06:22:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 06:22:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 06:22:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 06:22:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 06:22:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 06:22:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-10-15 06:22:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-10-15 06:22:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-10-15 06:22:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-10-15 06:22:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-10-15 06:22:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-10-15 06:22:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-10-15 06:22:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-10-15 06:22:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-10-15 06:22:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:22:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-15 06:22:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-15 06:22:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 06:22:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-15 06:22:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-15 06:22:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-10-15 06:22:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 06:22:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 06:22:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 06:22:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 06:22:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:22:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 06:22:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 06:22:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-15 06:22:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-15 06:22:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-15 06:22:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-15 06:22:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-15 06:22:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:22:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 06:22:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:22:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 06:22:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 06:22:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 06:22:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 06:22:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 06:22:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 06:22:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 06:22:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 06:22:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 06:22:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-10-15 06:22:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-10-15 06:22:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-15 06:22:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-15 06:22:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-10-15 06:22:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-10-15 06:22:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-10-15 06:22:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:22:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:22:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:22:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:22:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:22:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-15 06:22:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-10-15 06:22:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 06:22:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-10-15 06:22:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-10-15 06:22:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 06:22:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 06:22:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:22:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:22:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 06:22:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 06:22:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 06:22:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 06:22:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 06:22:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-15 06:22:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-15 06:22:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-15 06:22:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 06:22:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:22:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 06:22:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:22:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 06:22:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:22:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:22:18,689 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 06:22:18,707 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-15 06:22:19,583 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:22:19,583 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:22:19,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:22:19 BoogieIcfgContainer [2019-10-15 06:22:19,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:22:19,586 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:22:19,586 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:22:19,586 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:22:19,587 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:22:19" (1/1) ... [2019-10-15 06:22:19,588 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 [2019-10-15 06:22:19,617 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:22:19,618 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:22:19,633 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:22:19,644 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:22:19,646 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:22:20,401 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-10-15 06:22:21,042 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-10-15 06:22:21,064 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 502 for LOIs [2019-10-15 06:22:21,866 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:22,033 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-15 06:22:22,446 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2019-10-15 06:22:22,913 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-10-15 06:22:23,287 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:22:25,916 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:26,615 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:26,913 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:29,514 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:29,827 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:29,940 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:22:30,156 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:32,545 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:32,979 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-15 06:22:33,200 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:33,512 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:33,644 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-15 06:22:33,830 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-10-15 06:22:36,127 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:36,307 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 553 [2019-10-15 06:22:36,417 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 06:22:37,035 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:39,697 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:39,761 WARN L98 DagInterpreter]: A function never reaches its return [2019-10-15 06:22:39,908 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 554 [2019-10-15 06:22:40,081 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-15 06:22:40,307 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 556 [2019-10-15 06:22:40,491 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-15 06:22:40,721 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 554 [2019-10-15 06:22:40,870 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-15 06:22:41,210 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:41,477 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:43,859 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:46,662 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:47,212 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:47,510 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-15 06:22:49,774 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-10-15 06:22:49,952 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 567 [2019-10-15 06:22:50,059 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 06:22:50,178 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 568 [2019-10-15 06:22:50,918 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 595 [2019-10-15 06:22:51,120 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-10-15 06:22:51,341 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-10-15 06:22:51,878 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-15 06:22:52,147 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89