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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 13:54:27,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 13:54:27,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 13:54:27,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 13:54:27,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 13:54:27,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 13:54:27,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 13:54:27,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 13:54:27,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 13:54:27,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 13:54:27,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 13:54:27,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 13:54:27,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 13:54:27,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 13:54:27,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 13:54:27,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 13:54:27,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 13:54:27,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 13:54:27,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 13:54:27,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 13:54:27,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 13:54:27,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 13:54:27,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 13:54:27,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 13:54:27,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-01 13:54:27,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-01 13:54:27,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-01 13:54:27,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-01 13:54:27,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-01 13:54:27,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-01 13:54:27,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-01 13:54:27,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-01 13:54:27,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-01 13:54:27,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-01 13:54:27,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-01 13:54:27,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-01 13:54:27,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-01 13:54:27,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-01 13:54:27,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 13:54:27,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 13:54:27,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 13:54:27,990 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 [2019-09-01 13:54:28,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 13:54:28,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 13:54:28,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 13:54:28,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 13:54:28,015 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 13:54:28,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 13:54:28,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 13:54:28,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 13:54:28,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 13:54:28,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 13:54:28,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 13:54:28,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 13:54:28,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 13:54:28,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 13:54:28,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 13:54:28,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 13:54:28,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 13:54:28,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 13:54:28,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 13:54:28,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 13:54:28,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 13:54:28,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 13:54:28,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 13:54:28,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 13:54:28,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 13:54:28,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 13:54:28,021 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-09-01 13:54:28,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 13:54:28,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 13:54:28,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 13:54:28,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 13:54:28,094 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 13:54:28,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2019-09-01 13:54:28,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8a58a15/8c52a7c9fdff42408ceb200f40b8e896/FLAG2caf10305 [2019-09-01 13:54:28,949 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 13:54:28,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2019-09-01 13:54:28,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8a58a15/8c52a7c9fdff42408ceb200f40b8e896/FLAG2caf10305 [2019-09-01 13:54:29,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8a58a15/8c52a7c9fdff42408ceb200f40b8e896 [2019-09-01 13:54:29,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 13:54:29,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 13:54:29,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 13:54:29,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 13:54:29,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 13:54:29,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 01:54:29" (1/1) ... [2019-09-01 13:54:29,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7d15d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:29, skipping insertion in model container [2019-09-01 13:54:29,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 01:54:29" (1/1) ... [2019-09-01 13:54:29,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 13:54:29,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 13:54:31,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 13:54:31,146 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 13:54:31,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 13:54:31,584 INFO L192 MainTranslator]: Completed translation [2019-09-01 13:54:31,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31 WrapperNode [2019-09-01 13:54:31,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 13:54:31,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 13:54:31,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 13:54:31,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 13:54:31,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... [2019-09-01 13:54:31,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 13:54:31,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 13:54:31,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 13:54:31,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 13:54:31,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 01:54:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 13:54:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 13:54:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 13:54:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-01 13:54:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-01 13:54:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-01 13:54:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-01 13:54:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-01 13:54:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-01 13:54:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-01 13:54:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-01 13:54:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-01 13:54:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-01 13:54:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-01 13:54:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-01 13:54:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-09-01 13:54:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-01 13:54:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-01 13:54:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-01 13:54:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-01 13:54:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-01 13:54:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-01 13:54:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-01 13:54:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-01 13:54:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-01 13:54:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-01 13:54:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-01 13:54:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2019-09-01 13:54:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2019-09-01 13:54:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2019-09-01 13:54:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2019-09-01 13:54:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2019-09-01 13:54:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2019-09-01 13:54:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2019-09-01 13:54:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2019-09-01 13:54:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2019-09-01 13:54:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2019-09-01 13:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2019-09-01 13:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_parse_cr [2019-09-01 13:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2019-09-01 13:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_timer [2019-09-01 13:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start [2019-09-01 13:54:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_stop [2019-09-01 13:54:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_close [2019-09-01 13:54:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-09-01 13:54:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2019-09-01 13:54:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2019-09-01 13:54:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-01 13:54:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_3 [2019-09-01 13:54:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-01 13:54:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-01 13:54:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-01 13:54:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 13:54:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-01 13:54:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2019-09-01 13:54:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_14 [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-01 13:54:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-01 13:54:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-01 13:54:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-01 13:54:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-01 13:54:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-01 13:54:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-01 13:54:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-01 13:54:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-01 13:54:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-01 13:54:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-01 13:54:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-01 13:54:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-01 13:54:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-01 13:54:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2019-09-01 13:54:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-01 13:54:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-01 13:54:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2019-09-01 13:54:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2019-09-01 13:54:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_3 [2019-09-01 13:54:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-09-01 13:54:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2019-09-01 13:54:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-01 13:54:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-01 13:54:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-01 13:54:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-01 13:54:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2019-09-01 13:54:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-01 13:54:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-01 13:54:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-01 13:54:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-01 13:54:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 13:54:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-01 13:54:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-01 13:54:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-01 13:54:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-01 13:54:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-01 13:54:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-01 13:54:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-01 13:54:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-01 13:54:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-01 13:54:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-01 13:54:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-01 13:54:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-01 13:54:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2019-09-01 13:54:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-01 13:54:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_14 [2019-09-01 13:54:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2019-09-01 13:54:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-01 13:54:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-01 13:54:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-01 13:54:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-01 13:54:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-01 13:54:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-01 13:54:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-01 13:54:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-01 13:54:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-01 13:54:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-01 13:54:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-01 13:54:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-01 13:54:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-01 13:54:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-01 13:54:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-01 13:54:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-01 13:54:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-01 13:54:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-01 13:54:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-09-01 13:54:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-01 13:54:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-01 13:54:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-01 13:54:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-01 13:54:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-01 13:54:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-01 13:54:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-09-01 13:54:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2019-09-01 13:54:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-01 13:54:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-01 13:54:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-01 13:54:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-01 13:54:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-01 13:54:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-01 13:54:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-01 13:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_3 [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-01 13:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-01 13:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2019-09-01 13:54:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_parse_cr [2019-09-01 13:54:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_timer [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_stop [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_close [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2019-09-01 13:54:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_3 [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 13:54:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-01 13:54:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 13:54:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-01 13:54:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-01 13:54:33,081 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-01 13:54:34,477 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 13:54:34,477 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-01 13:54:34,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 01:54:34 BoogieIcfgContainer [2019-09-01 13:54:34,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 13:54:34,480 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 13:54:34,480 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 13:54:34,480 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 13:54:34,481 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 01:54:34" (1/1) ... [2019-09-01 13:54:34,517 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-01 13:54:34,517 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 13:54:34,532 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:93) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:107) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:79) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-01 13:54:34,538 INFO L168 Benchmark]: Toolchain (without parser) took 5038.48 ms. Allocated memory was 140.5 MB in the beginning and 276.8 MB in the end (delta: 136.3 MB). Free memory was 79.5 MB in the beginning and 120.5 MB in the end (delta: -41.0 MB). Peak memory consumption was 95.3 MB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,539 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2087.10 ms. Allocated memory was 140.5 MB in the beginning and 229.6 MB in the end (delta: 89.1 MB). Free memory was 79.1 MB in the beginning and 96.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,540 INFO L168 Benchmark]: Boogie Preprocessor took 254.84 ms. Allocated memory is still 229.6 MB. Free memory was 96.4 MB in the beginning and 84.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,541 INFO L168 Benchmark]: RCFGBuilder took 2638.04 ms. Allocated memory was 229.6 MB in the beginning and 276.8 MB in the end (delta: 47.2 MB). Free memory was 84.5 MB in the beginning and 122.6 MB in the end (delta: -38.2 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,542 INFO L168 Benchmark]: Sifa took 54.74 ms. Allocated memory is still 276.8 MB. Free memory was 122.6 MB in the beginning and 120.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-01 13:54:34,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2087.10 ms. Allocated memory was 140.5 MB in the beginning and 229.6 MB in the end (delta: 89.1 MB). Free memory was 79.1 MB in the beginning and 96.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 254.84 ms. Allocated memory is still 229.6 MB. Free memory was 96.4 MB in the beginning and 84.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2638.04 ms. Allocated memory was 229.6 MB in the beginning and 276.8 MB in the end (delta: 47.2 MB). Free memory was 84.5 MB in the beginning and 122.6 MB in the end (delta: -38.2 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. * Sifa took 54.74 ms. Allocated memory is still 276.8 MB. Free memory was 122.6 MB in the beginning and 120.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...