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-64bit-Automizer_Default.epf -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-a32b1f7 [2019-08-19 01:56:26,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-19 01:56:26,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-19 01:56:26,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-19 01:56:26,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-19 01:56:26,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-19 01:56:26,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-19 01:56:26,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-19 01:56:26,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-19 01:56:26,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-19 01:56:26,956 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-19 01:56:26,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-19 01:56:26,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-19 01:56:26,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-19 01:56:26,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-19 01:56:26,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-19 01:56:26,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-19 01:56:26,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-19 01:56:26,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-19 01:56:26,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-19 01:56:26,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-19 01:56:26,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-19 01:56:26,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-19 01:56:26,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-19 01:56:26,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-19 01:56:26,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-19 01:56:26,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-19 01:56:26,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-19 01:56:26,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-19 01:56:26,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-19 01:56:26,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-19 01:56:26,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-19 01:56:26,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-19 01:56:26,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-19 01:56:26,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-19 01:56:26,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-19 01:56:26,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-19 01:56:26,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-19 01:56:26,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-19 01:56:26,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-19 01:56:26,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-19 01:56:26,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2019-08-19 01:56:27,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-19 01:56:27,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-19 01:56:27,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-19 01:56:27,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-19 01:56:27,006 INFO L138 SettingsManager]: * Use SBE=true [2019-08-19 01:56:27,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-19 01:56:27,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-19 01:56:27,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-19 01:56:27,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-19 01:56:27,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-19 01:56:27,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-19 01:56:27,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-19 01:56:27,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-19 01:56:27,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-19 01:56:27,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-19 01:56:27,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-19 01:56:27,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-19 01:56:27,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-19 01:56:27,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-19 01:56:27,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-19 01:56:27,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-19 01:56:27,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-19 01:56:27,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-19 01:56:27,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-19 01:56:27,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-19 01:56:27,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-19 01:56:27,013 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-19 01:56:27,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-19 01:56:27,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-19 01:56:27,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-19 01:56:27,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-19 01:56:27,077 INFO L275 PluginConnector]: CDTParser initialized [2019-08-19 01:56:27,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-08-19 01:56:27,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d95e389e/12570fd52bf4414cb79f5134fa6e50be/FLAGea348ef15 [2019-08-19 01:56:27,940 INFO L306 CDTParser]: Found 1 translation units. [2019-08-19 01:56:27,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-08-19 01:56:27,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d95e389e/12570fd52bf4414cb79f5134fa6e50be/FLAGea348ef15 [2019-08-19 01:56:28,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d95e389e/12570fd52bf4414cb79f5134fa6e50be [2019-08-19 01:56:28,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-19 01:56:28,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-19 01:56:28,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-19 01:56:28,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-19 01:56:28,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-19 01:56:28,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:56:28" (1/1) ... [2019-08-19 01:56:28,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc56404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:28, skipping insertion in model container [2019-08-19 01:56:28,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:56:28" (1/1) ... [2019-08-19 01:56:28,520 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-19 01:56:28,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-19 01:56:29,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-19 01:56:29,769 INFO L188 MainTranslator]: Completed pre-run [2019-08-19 01:56:29,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-19 01:56:30,025 INFO L192 MainTranslator]: Completed translation [2019-08-19 01:56:30,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30 WrapperNode [2019-08-19 01:56:30,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-19 01:56:30,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-19 01:56:30,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-19 01:56:30,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-19 01:56:30,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (1/1) ... [2019-08-19 01:56:30,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-19 01:56:30,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-19 01:56:30,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-19 01:56:30,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-19 01:56:30,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:30" (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 [2019-08-19 01:56:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-19 01:56:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-19 01:56:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-08-19 01:56:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-19 01:56:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-19 01:56:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-08-19 01:56:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-08-19 01:56:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-08-19 01:56:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-08-19 01:56:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-08-19 01:56:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-08-19 01:56:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-08-19 01:56:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-08-19 01:56:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-08-19 01:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-08-19 01:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-08-19 01:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-08-19 01:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-08-19 01:56:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-08-19 01:56:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-08-19 01:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-08-19 01:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-08-19 01:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-19 01:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-08-19 01:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-19 01:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-19 01:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-08-19 01:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-08-19 01:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-08-19 01:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-19 01:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-19 01:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-08-19 01:56:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-08-19 01:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-08-19 01:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-08-19 01:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-08-19 01:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-19 01:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-19 01:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-19 01:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-19 01:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-08-19 01:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-08-19 01:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-08-19 01:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-08-19 01:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-08-19 01:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-08-19 01:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-08-19 01:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-08-19 01:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-08-19 01:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-08-19 01:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-19 01:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-19 01:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-08-19 01:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-08-19 01:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-08-19 01:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-08-19 01:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-08-19 01:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-08-19 01:56:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-08-19 01:56:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-08-19 01:56:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-19 01:56:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-19 01:56:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-19 01:56:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-19 01:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-19 01:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-08-19 01:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-19 01:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-08-19 01:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-19 01:56:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-19 01:56:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-19 01:56:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-19 01:56:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-19 01:56:31,330 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-08-19 01:56:31,351 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-08-19 01:56:31,647 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-19 01:56:31,647 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-19 01:56:31,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:56:31 BoogieIcfgContainer [2019-08-19 01:56:31,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-19 01:56:31,649 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-19 01:56:31,649 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-19 01:56:31,649 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-19 01:56:31,650 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:56:31" (1/1) ... [2019-08-19 01:56:31,662 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-19 01:56:31,664 INFO L155 IcfgInterpreter]: Building call graph [2019-08-19 01:56:31,671 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-19 01:56:31,678 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-19 01:56:31,680 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-19 01:56:31,773 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_27|], 136=[|v_#valid_33|]} [2019-08-19 01:56:31,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:31,936 INFO L235 Elim1Store]: Index analysis took 113 ms [2019-08-19 01:56:31,958 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 64 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2019-08-19 01:56:31,960 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:34,728 WARN L188 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 456 [2019-08-19 01:56:34,730 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:34,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:34,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:35,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2019-08-19 01:56:35,002 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:38,238 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 447 DAG size of output: 431 [2019-08-19 01:56:38,239 INFO L567 ElimStorePlain]: treesize reduction 32, result has 96.8 percent of original size [2019-08-19 01:56:38,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:38,241 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:1123, output treesize:971 [2019-08-19 01:56:38,277 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 451 [2019-08-19 01:56:38,796 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_1, |v_#length_29|], 1=[|v_#valid_35|]} [2019-08-19 01:56:38,809 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 40 [2019-08-19 01:56:38,809 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:38,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:38,882 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2019-08-19 01:56:38,883 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:38,942 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:38,957 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2019-08-19 01:56:38,958 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:38,967 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 37 [2019-08-19 01:56:38,968 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:39,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:39,019 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-19 01:56:39,019 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:80, output treesize:66 [2019-08-19 01:56:39,027 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-08-19 01:56:39,028 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:39,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:39,035 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:39,035 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-08-19 01:56:39,119 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-19 01:56:39,119 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:43,678 WARN L188 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 504 DAG size of output: 500 [2019-08-19 01:56:43,679 INFO L567 ElimStorePlain]: treesize reduction 8, result has 99.3 percent of original size [2019-08-19 01:56:43,727 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-19 01:56:43,728 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:45,966 WARN L188 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 497 [2019-08-19 01:56:45,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:46,016 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-08-19 01:56:46,017 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,226 WARN L188 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 494 [2019-08-19 01:56:48,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,228 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,229 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:1099, output treesize:1075 [2019-08-19 01:56:48,274 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-19 01:56:48,275 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,290 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,298 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-19 01:56:48,298 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,326 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-19 01:56:48,327 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,346 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:42, output treesize:30 [2019-08-19 01:56:48,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-19 01:56:48,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:48,378 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 80 [2019-08-19 01:56:48,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,388 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2019-08-19 01:56:48,389 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,507 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-08-19 01:56:48,507 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.7 percent of original size [2019-08-19 01:56:48,518 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2019-08-19 01:56:48,519 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:48,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2019-08-19 01:56:48,531 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2019-08-19 01:56:48,598 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-19 01:56:48,610 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2019-08-19 01:56:48,611 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,663 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-19 01:56:48,663 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:137, output treesize:110 [2019-08-19 01:56:48,679 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2019-08-19 01:56:48,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,699 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-19 01:56:48,700 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,712 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2019-08-19 01:56:48,717 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,729 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:48,730 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:48,730 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:50, output treesize:38 [2019-08-19 01:56:48,784 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-08-19 01:56:48,785 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:56:50,901 WARN L188 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 493 [2019-08-19 01:56:50,902 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:56:50,903 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-19 01:56:50,904 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:1079, output treesize:1073 [2019-08-19 01:56:50,951 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-19 01:56:51,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-19 01:57:33,704 INFO L392 ElimStorePlain]: Different costs {28=[v_prenex_6], 56=[v_prenex_2]} [2019-08-19 01:57:33,728 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-19 01:57:33,729 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-19 01:57:33,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-19 01:57:33,744 INFO L464 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2019-08-19 01:57:33,754 INFO L392 ElimStorePlain]: Different costs {30=[v_prenex_4, v_prenex_7], 5550=[v_prenex_3]} [2019-08-19 01:57:33,754 INFO L464 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2019-08-19 01:57:33,754 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-08-19 01:57:33,754 INFO L464 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-08-19 01:57:33,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-19 01:57:33,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:1059, output treesize:24 [2019-08-19 01:57:33,755 INFO L185 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 24 [2019-08-19 01:57:33,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-19 01:57:33,808 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 17 [2019-08-19 01:57:33,809 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_module_put_6 with input of size 45 [2019-08-19 01:57:33,811 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 22 [2019-08-19 01:57:33,811 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 45 [2019-08-19 01:57:33,814 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 44 [2019-08-19 01:57:33,814 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-19 01:57:33,814 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-19 01:57:33,817 INFO L179 IcfgInterpreter]: Location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 325009#(or (exists ((v_prenex_26 Int) (v_prenex_24 Int)) (and (<= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 1) (<= (select (select |#memory_int| v_prenex_26) v_prenex_24) 3) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) 18446744073709551616))) (<= 0 (select (select |#memory_int| v_prenex_26) v_prenex_24)) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) 16)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) 16))) 18446744073709551616))) (not (= ~ldv_state_variable_1~0 0)))) (and (or (and (= ~ldv_state_variable_0~0 2) (= ~ref_cnt~0 0)) (and (not (= ~ldv_retval_0~0 0)) (<= ~ldv_retval_0~0 2147483647) (= ~ldv_state_variable_0~0 2) (<= 0 (+ ~ldv_retval_0~0 2147483648)))) (not (= 1 ~ldv_module_refcounter~0)))) [2019-08-19 01:57:33,832 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-19 01:57:33,832 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-19 01:57:33,834 INFO L168 Benchmark]: Toolchain (without parser) took 65329.13 ms. Allocated memory was 132.6 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 79.0 MB in the beginning and 339.8 MB in the end (delta: -260.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,835 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1520.24 ms. Allocated memory was 132.6 MB in the beginning and 218.6 MB in the end (delta: 86.0 MB). Free memory was 78.5 MB in the beginning and 115.5 MB in the end (delta: -37.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,837 INFO L168 Benchmark]: Boogie Preprocessor took 119.32 ms. Allocated memory is still 218.6 MB. Free memory was 115.5 MB in the beginning and 110.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,838 INFO L168 Benchmark]: RCFGBuilder took 1499.31 ms. Allocated memory was 218.6 MB in the beginning and 264.8 MB in the end (delta: 46.1 MB). Free memory was 110.4 MB in the beginning and 171.5 MB in the end (delta: -61.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,838 INFO L168 Benchmark]: Symbolic Interpretation took 62183.39 ms. Allocated memory was 264.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 171.5 MB in the beginning and 339.8 MB in the end (delta: -168.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-19 01:57:33,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6259]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 325009#(or (exists ((v_prenex_26 Int) (v_prenex_24 Int)) (and (<= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_1~0 1) (<= (select (select |#memory_int| v_prenex_26) v_prenex_24) 3) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) 18446744073709551616))) (<= 0 (select (select |#memory_int| v_prenex_26) v_prenex_24)) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) 16)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 (select (select |#memory_int| v_prenex_26) v_prenex_24)) |~#pppox_protos~0.offset|)) 16))) 18446744073709551616))) (not (= ~ldv_state_variable_1~0 0)))) (and (or (and (= ~ldv_state_variable_0~0 2) (= ~ref_cnt~0 0)) (and (not (= ~ldv_retval_0~0 0)) (<= ~ldv_retval_0~0 2147483647) (= ~ldv_state_variable_0~0 2) (<= 0 (+ ~ldv_retval_0~0 2147483648)))) (not (= 1 ~ldv_module_refcounter~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1520.24 ms. Allocated memory was 132.6 MB in the beginning and 218.6 MB in the end (delta: 86.0 MB). Free memory was 78.5 MB in the beginning and 115.5 MB in the end (delta: -37.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.32 ms. Allocated memory is still 218.6 MB. Free memory was 115.5 MB in the beginning and 110.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1499.31 ms. Allocated memory was 218.6 MB in the beginning and 264.8 MB in the end (delta: 46.1 MB). Free memory was 110.4 MB in the beginning and 171.5 MB in the end (delta: -61.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 62183.39 ms. Allocated memory was 264.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 171.5 MB in the beginning and 339.8 MB in the end (delta: -168.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...