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-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 00:00:19,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 00:00:19,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 00:00:19,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 00:00:19,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 00:00:19,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 00:00:19,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 00:00:19,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 00:00:19,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 00:00:19,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 00:00:19,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 00:00:19,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 00:00:19,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 00:00:19,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 00:00:19,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 00:00:19,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 00:00:19,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 00:00:19,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 00:00:19,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 00:00:19,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 00:00:19,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 00:00:19,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 00:00:19,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 00:00:19,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 00:00:19,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-07 00:00:19,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-07 00:00:19,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-07 00:00:19,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-07 00:00:19,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-07 00:00:19,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-07 00:00:19,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 00:00:19,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 00:00:19,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 00:00:19,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 00:00:19,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 00:00:19,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 00:00:19,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 00:00:19,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 00:00:19,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 00:00:19,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 00:00:19,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 00:00:19,736 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 00:00:19,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 00:00:19,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 00:00:19,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 00:00:19,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 00:00:19,752 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 00:00:19,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 00:00:19,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 00:00:19,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 00:00:19,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 00:00:19,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 00:00:19,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 00:00:19,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 00:00:19,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 00:00:19,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 00:00:19,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 00:00:19,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 00:00:19,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 00:00:19,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 00:00:19,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 00:00:19,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 00:00:19,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 00:00:19,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 00:00:19,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 00:00:19,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 00:00:19,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 00:00:19,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 00:00:19,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 00:00:19,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 00:00:19,757 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 00:00:19,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 00:00:19,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 00:00:19,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 00:00:19,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 00:00:19,803 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 00:00:19,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2019-09-07 00:00:19,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7174efd/e35e22f78307435ba0fcb02f5b5f585e/FLAG89adc64df [2019-09-07 00:00:20,629 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 00:00:20,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2019-09-07 00:00:20,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7174efd/e35e22f78307435ba0fcb02f5b5f585e/FLAG89adc64df [2019-09-07 00:00:20,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7174efd/e35e22f78307435ba0fcb02f5b5f585e [2019-09-07 00:00:20,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 00:00:20,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 00:00:20,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 00:00:20,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 00:00:20,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 00:00:20,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:00:20" (1/1) ... [2019-09-07 00:00:20,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11da6c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:20, skipping insertion in model container [2019-09-07 00:00:20,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:00:20" (1/1) ... [2019-09-07 00:00:20,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 00:00:20,840 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 00:00:21,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 00:00:21,846 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 00:00:22,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 00:00:22,187 INFO L192 MainTranslator]: Completed translation [2019-09-07 00:00:22,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22 WrapperNode [2019-09-07 00:00:22,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 00:00:22,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 00:00:22,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 00:00:22,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 00:00:22,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (1/1) ... [2019-09-07 00:00:22,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 00:00:22,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 00:00:22,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 00:00:22,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 00:00:22,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:00:22" (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 00:00:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 00:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 00:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-07 00:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-07 00:00:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-07 00:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-07 00:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-07 00:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-07 00:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-07 00:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-07 00:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-07 00:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-07 00:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-07 00:00:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-07 00:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-07 00:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-07 00:00:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-07 00:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-07 00:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-07 00:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2019-09-07 00:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2019-09-07 00:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2019-09-07 00:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2019-09-07 00:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2019-09-07 00:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2019-09-07 00:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2019-09-07 00:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2019-09-07 00:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2019-09-07 00:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2019-09-07 00:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2019-09-07 00:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2019-09-07 00:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_set_timeout [2019-09-07 00:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_get_status [2019-09-07 00:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_open [2019-09-07 00:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_release [2019-09-07 00:00:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2019-09-07 00:00:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_ioctl [2019-09-07 00:00:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_notify_sys [2019-09-07 00:00:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_wdt_init [2019-09-07 00:00:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_wdt_exit [2019-09-07 00:00:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-09-07 00:00:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 00:00:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2019-09-07 00:00:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2019-09-07 00:00:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2019-09-07 00:00:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2019-09-07 00:00:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-07 00:00:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-07 00:00:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-07 00:00:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-07 00:00:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-07 00:00:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-07 00:00:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-07 00:00:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-07 00:00:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-07 00:00:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-07 00:00:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-07 00:00:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-07 00:00:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-07 00:00:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-07 00:00:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-07 00:00:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-07 00:00:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-07 00:00:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-09-07 00:00:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-09-07 00:00:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-09-07 00:00:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-07 00:00:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2019-09-07 00:00:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2019-09-07 00:00:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-07 00:00:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-07 00:00:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-07 00:00:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-07 00:00:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 00:00:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-07 00:00:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-07 00:00:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-07 00:00:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-07 00:00:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-07 00:00:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-07 00:00:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 00:00:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-07 00:00:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-07 00:00:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-07 00:00:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-07 00:00:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-07 00:00:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-07 00:00:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-07 00:00:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2019-09-07 00:00:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-07 00:00:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-07 00:00:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-07 00:00:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 00:00:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-07 00:00:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-07 00:00:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-07 00:00:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-07 00:00:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-07 00:00:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-07 00:00:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-07 00:00:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-07 00:00:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-07 00:00:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-07 00:00:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-07 00:00:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-07 00:00:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-07 00:00:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-07 00:00:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-09-07 00:00:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-09-07 00:00:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2019-09-07 00:00:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-09-07 00:00:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2019-09-07 00:00:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-09-07 00:00:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2019-09-07 00:00:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2019-09-07 00:00:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2019-09-07 00:00:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-07 00:00:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-07 00:00:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-07 00:00:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-07 00:00:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2019-09-07 00:00:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2019-09-07 00:00:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2019-09-07 00:00:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2019-09-07 00:00:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2019-09-07 00:00:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2019-09-07 00:00:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2019-09-07 00:00:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2019-09-07 00:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2019-09-07 00:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2019-09-07 00:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2019-09-07 00:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2019-09-07 00:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_set_timeout [2019-09-07 00:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_get_status [2019-09-07 00:00:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 00:00:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_open [2019-09-07 00:00:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_release [2019-09-07 00:00:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2019-09-07 00:00:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_ioctl [2019-09-07 00:00:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-07 00:00:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-07 00:00:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 00:00:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_notify_sys [2019-09-07 00:00:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure it87_wdt_init [2019-09-07 00:00:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure it87_wdt_exit [2019-09-07 00:00:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-07 00:00:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-07 00:00:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 00:00:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-07 00:00:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-07 00:00:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-07 00:00:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-07 00:00:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-07 00:00:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-07 00:00:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-07 00:00:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 00:00:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-07 00:00:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-07 00:00:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-07 00:00:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 00:00:23,769 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-07 00:00:23,779 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-07 00:00:25,347 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 00:00:25,348 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-07 00:00:25,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:00:25 BoogieIcfgContainer [2019-09-07 00:00:25,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 00:00:25,351 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-07 00:00:25,351 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-07 00:00:25,351 INFO L275 PluginConnector]: Sifa initialized [2019-09-07 00:00:25,353 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:00:25" (1/1) ... [2019-09-07 00:00:25,353 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 00:00:25,387 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-07 00:00:25,387 INFO L169 IcfgInterpreter]: Building call graph [2019-09-07 00:00:25,406 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-07 00:00:25,423 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-07 00:00:25,425 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-07 00:00:28,082 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 67 for LOIs [2019-09-07 00:01:22,071 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-07 00:01:22,952 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-07 00:01:23,636 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-07 00:01:24,885 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 00:03:31,694 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 00:03:33,159 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-07 00:03:33,219 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-07 00:05:26,384 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 00:05:26,917 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-07 00:05:26,992 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-07 00:10:18,177 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 00:10:55,993 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-07 00:10:56,533 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-07 00:10:56,606 WARN L225 Elim1Store]: Array PQE input equivalent to false