java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 02:01:05,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 02:01:05,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 02:01:05,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 02:01:05,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 02:01:05,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 02:01:05,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 02:01:05,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 02:01:05,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 02:01:05,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 02:01:05,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 02:01:05,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 02:01:05,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 02:01:05,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 02:01:05,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 02:01:05,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 02:01:05,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 02:01:05,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 02:01:05,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 02:01:05,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 02:01:05,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 02:01:05,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 02:01:05,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 02:01:05,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 02:01:05,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-07 02:01:05,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-07 02:01:05,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-07 02:01:05,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-07 02:01:05,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-07 02:01:05,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-07 02:01:05,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 02:01:05,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 02:01:05,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 02:01:05,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 02:01:05,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 02:01:05,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 02:01:05,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 02:01:05,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 02:01:05,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 02:01:05,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 02:01:05,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 02:01:05,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 02:01:05,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 02:01:05,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 02:01:05,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 02:01:05,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 02:01:05,948 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 02:01:05,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 02:01:05,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 02:01:05,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 02:01:05,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 02:01:05,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 02:01:05,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 02:01:05,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 02:01:05,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 02:01:05,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 02:01:05,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 02:01:05,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 02:01:05,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 02:01:05,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 02:01:05,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 02:01:05,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 02:01:05,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 02:01:05,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 02:01:05,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 02:01:05,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-07 02:01:05,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 02:01:05,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 02:01:05,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 02:01:06,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 02:01:06,000 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 02:01:06,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-09-07 02:01:06,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5b071fd/5acbbb17118144ccb770c4d8b199acaf/FLAGd944ec60a [2019-09-07 02:01:06,850 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 02:01:06,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-09-07 02:01:06,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5b071fd/5acbbb17118144ccb770c4d8b199acaf/FLAGd944ec60a [2019-09-07 02:01:07,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5b071fd/5acbbb17118144ccb770c4d8b199acaf [2019-09-07 02:01:07,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 02:01:07,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 02:01:07,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 02:01:07,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 02:01:07,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 02:01:07,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 02:01:07" (1/1) ... [2019-09-07 02:01:07,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121939ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:07, skipping insertion in model container [2019-09-07 02:01:07,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 02:01:07" (1/1) ... [2019-09-07 02:01:07,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 02:01:07,543 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 02:01:09,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 02:01:09,043 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 02:01:09,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 02:01:09,558 INFO L192 MainTranslator]: Completed translation [2019-09-07 02:01:09,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09 WrapperNode [2019-09-07 02:01:09,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 02:01:09,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 02:01:09,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 02:01:09,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 02:01:09,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (1/1) ... [2019-09-07 02:01:09,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 02:01:09,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 02:01:09,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 02:01:09,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 02:01:09,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 02:01:09" (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 [2019-09-07 02:01:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 02:01:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 02:01:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-07 02:01:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-07 02:01:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-07 02:01:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-07 02:01:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-07 02:01:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-07 02:01:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-07 02:01:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-07 02:01:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-07 02:01:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-07 02:01:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-07 02:01:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-07 02:01:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-07 02:01:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-07 02:01:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-07 02:01:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-07 02:01:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2019-09-07 02:01:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2019-09-07 02:01:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2019-09-07 02:01:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2019-09-07 02:01:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2019-09-07 02:01:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2019-09-07 02:01:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2019-09-07 02:01:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2019-09-07 02:01:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2019-09-07 02:01:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2019-09-07 02:01:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2019-09-07 02:01:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2019-09-07 02:01:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2019-09-07 02:01:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2019-09-07 02:01:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2019-09-07 02:01:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2019-09-07 02:01:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2019-09-07 02:01:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2019-09-07 02:01:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-09-07 02:01:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 02:01:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-07 02:01:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-07 02:01:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-09-07 02:01:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-09-07 02:01:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-09-07 02:01:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2019-09-07 02:01:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2019-09-07 02:01:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-09-07 02:01:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-09-07 02:01:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2019-09-07 02:01:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2019-09-07 02:01:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2019-09-07 02:01:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-09-07 02:01:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-09-07 02:01:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-07 02:01:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-07 02:01:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-07 02:01:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-07 02:01:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-07 02:01:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-07 02:01:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-07 02:01:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-07 02:01:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-07 02:01:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-07 02:01:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-07 02:01:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-07 02:01:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-07 02:01:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-07 02:01:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-07 02:01:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-07 02:01:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-07 02:01:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-07 02:01:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-07 02:01:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-07 02:01:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2019-09-07 02:01:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-07 02:01:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2019-09-07 02:01:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-09-07 02:01:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2019-09-07 02:01:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-07 02:01:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-07 02:01:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-07 02:01:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-07 02:01:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-07 02:01:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 02:01:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-07 02:01:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-07 02:01:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-07 02:01:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-07 02:01:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-07 02:01:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-07 02:01:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-07 02:01:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-07 02:01:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-07 02:01:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-07 02:01:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-07 02:01:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-07 02:01:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-07 02:01:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-07 02:01:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-07 02:01:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-07 02:01:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-07 02:01:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-07 02:01:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-07 02:01:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-07 02:01:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-07 02:01:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-07 02:01:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-07 02:01:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-07 02:01:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-07 02:01:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-07 02:01:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-07 02:01:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-07 02:01:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-09-07 02:01:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-09-07 02:01:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2019-09-07 02:01:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-09-07 02:01:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-07 02:01:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-07 02:01:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-07 02:01:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-07 02:01:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2019-09-07 02:01:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2019-09-07 02:01:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 02:01:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2019-09-07 02:01:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 02:01:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-07 02:01:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 02:01:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-07 02:01:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-07 02:01:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-07 02:01:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-07 02:01:10,868 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-07 02:01:13,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 02:01:13,397 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-07 02:01:13,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 02:01:13 BoogieIcfgContainer [2019-09-07 02:01:13,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 02:01:13,400 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-07 02:01:13,400 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-07 02:01:13,400 INFO L275 PluginConnector]: Sifa initialized [2019-09-07 02:01:13,401 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 02:01:13" (1/1) ... [2019-09-07 02:01:13,402 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-07 02:01:13,426 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-07 02:01:13,427 INFO L169 IcfgInterpreter]: Building call graph [2019-09-07 02:01:13,439 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-07 02:01:13,450 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-07 02:01:13,451 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-07 02:01:13,588 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 176 for LOIs [2019-09-07 02:01:19,250 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-07 02:01:21,521 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 02:01:25,949 WARN L98 DagInterpreter]: A function never reaches its return