java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:20:03,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:20:03,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:20:03,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:20:03,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:20:03,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:20:03,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:20:03,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:20:03,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:20:03,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:20:03,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:20:03,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:20:03,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:20:03,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:20:03,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:20:03,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:20:03,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:20:03,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:20:03,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:20:03,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:20:03,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:20:03,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:20:03,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:20:03,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:20:03,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:20:03,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:20:03,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:20:03,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:20:03,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:20:03,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:20:03,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:20:03,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:20:03,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:20:03,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:20:03,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:20:03,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:20:03,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:20:03,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:20:03,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:20:03,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:20:03,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:20:03,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:20:03,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:20:03,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:20:03,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:20:03,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:20:03,958 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:20:03,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:20:03,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:20:03,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:20:03,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:20:03,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:20:03,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:20:03,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:20:03,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:20:03,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:20:03,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:20:03,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:20:03,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:20:03,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:20:03,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:20:03,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:20:03,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:20:03,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:03,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:20:03,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:20:03,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:20:03,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:20:03,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:20:03,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:20:03,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:20:04,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:20:04,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:20:04,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:20:04,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:20:04,272 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:20:04,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-15 00:20:04,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d04a10bf/59bfed0d0e4e4c3d97355373e36cb3a0/FLAG0dd994bcf [2019-10-15 00:20:05,232 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:20:05,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-15 00:20:05,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d04a10bf/59bfed0d0e4e4c3d97355373e36cb3a0/FLAG0dd994bcf [2019-10-15 00:20:05,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d04a10bf/59bfed0d0e4e4c3d97355373e36cb3a0 [2019-10-15 00:20:05,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:20:05,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:20:05,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:05,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:20:05,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:20:05,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4262f24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05, skipping insertion in model container [2019-10-15 00:20:05,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,761 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:20:05,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:20:07,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:07,661 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:20:07,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:08,182 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:20:08,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08 WrapperNode [2019-10-15 00:20:08,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:08,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:20:08,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:20:08,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:20:08,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... [2019-10-15 00:20:08,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:20:08,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:20:08,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:20:08,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:20:08,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:20:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:20:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:20:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:20:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-15 00:20:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:20:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:20:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:20:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:20:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:20:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:20:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:20:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-15 00:20:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-15 00:20:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2019-10-15 00:20:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2019-10-15 00:20:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2019-10-15 00:20:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2019-10-15 00:20:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2019-10-15 00:20:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2019-10-15 00:20:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2019-10-15 00:20:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2019-10-15 00:20:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2019-10-15 00:20:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2019-10-15 00:20:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2019-10-15 00:20:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:20:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:20:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:20:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 00:20:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-15 00:20:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:20:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:20:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:20:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:20:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-15 00:20:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-15 00:20:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-15 00:20:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-15 00:20:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-15 00:20:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-15 00:20:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-15 00:20:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-15 00:20:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:20:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2019-10-15 00:20:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2019-10-15 00:20:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2019-10-15 00:20:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-15 00:20:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-15 00:20:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2019-10-15 00:20:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:20:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:20:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2019-10-15 00:20:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-15 00:20:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-15 00:20:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-15 00:20:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2019-10-15 00:20:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2019-10-15 00:20:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2019-10-15 00:20:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2019-10-15 00:20:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2019-10-15 00:20:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2019-10-15 00:20:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2019-10-15 00:20:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2019-10-15 00:20:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2019-10-15 00:20:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2019-10-15 00:20:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2019-10-15 00:20:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2019-10-15 00:20:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2019-10-15 00:20:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2019-10-15 00:20:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2019-10-15 00:20:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2019-10-15 00:20:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2019-10-15 00:20:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:20:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:20:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:20:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2019-10-15 00:20:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2019-10-15 00:20:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2019-10-15 00:20:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2019-10-15 00:20:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-15 00:20:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:20:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2019-10-15 00:20:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2019-10-15 00:20:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2019-10-15 00:20:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:20:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:20:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:20:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:20:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:20:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:20:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:20:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 00:20:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:20:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:20:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:20:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:20:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:20:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-15 00:20:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:20:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:20:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:20:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:20:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 00:20:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:20:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-15 00:20:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:20:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:20:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:20:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:20:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:20:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2019-10-15 00:20:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2019-10-15 00:20:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-15 00:20:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2019-10-15 00:20:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2019-10-15 00:20:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2019-10-15 00:20:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2019-10-15 00:20:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-15 00:20:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-15 00:20:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-15 00:20:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-15 00:20:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-15 00:20:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2019-10-15 00:20:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2019-10-15 00:20:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2019-10-15 00:20:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2019-10-15 00:20:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:20:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:20:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2019-10-15 00:20:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2019-10-15 00:20:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2019-10-15 00:20:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-10-15 00:20:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-10-15 00:20:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-15 00:20:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-10-15 00:20:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-10-15 00:20:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-15 00:20:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-15 00:20:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2019-10-15 00:20:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2019-10-15 00:20:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2019-10-15 00:20:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:20:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:20:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:20:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2019-10-15 00:20:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:20:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2019-10-15 00:20:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2019-10-15 00:20:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2019-10-15 00:20:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2019-10-15 00:20:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2019-10-15 00:20:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2019-10-15 00:20:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2019-10-15 00:20:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2019-10-15 00:20:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2019-10-15 00:20:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2019-10-15 00:20:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2019-10-15 00:20:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2019-10-15 00:20:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2019-10-15 00:20:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2019-10-15 00:20:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2019-10-15 00:20:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2019-10-15 00:20:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2019-10-15 00:20:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2019-10-15 00:20:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2019-10-15 00:20:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2019-10-15 00:20:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2019-10-15 00:20:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2019-10-15 00:20:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2019-10-15 00:20:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2019-10-15 00:20:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2019-10-15 00:20:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2019-10-15 00:20:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2019-10-15 00:20:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2019-10-15 00:20:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2019-10-15 00:20:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2019-10-15 00:20:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2019-10-15 00:20:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:20:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-15 00:20:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-15 00:20:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-15 00:20:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-15 00:20:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-15 00:20:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-15 00:20:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:20:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:20:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:20:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:20:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:20:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:20:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:20:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:20:28,851 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:20:28,852 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:20:28,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:28 BoogieIcfgContainer [2019-10-15 00:20:28,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:20:28,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:20:28,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:20:28,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:20:28,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:20:05" (1/3) ... [2019-10-15 00:20:28,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478ec514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:28, skipping insertion in model container [2019-10-15 00:20:28,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:08" (2/3) ... [2019-10-15 00:20:28,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478ec514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:28, skipping insertion in model container [2019-10-15 00:20:28,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:28" (3/3) ... [2019-10-15 00:20:28,863 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-15 00:20:28,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:20:28,892 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:20:28,903 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:20:28,946 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:20:28,946 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:20:28,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:20:28,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:20:28,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:20:28,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:20:28,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:20:28,947 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:20:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states. [2019-10-15 00:20:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 00:20:29,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:29,010 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:29,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:29,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:29,017 INFO L82 PathProgramCache]: Analyzing trace with hash -643794187, now seen corresponding path program 1 times [2019-10-15 00:20:29,024 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:29,025 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281547059] [2019-10-15 00:20:29,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:29,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:29,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:29,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281547059] [2019-10-15 00:20:29,918 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:29,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:29,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579353693] [2019-10-15 00:20:29,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:29,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:29,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:29,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:29,943 INFO L87 Difference]: Start difference. First operand 1203 states. Second operand 3 states. [2019-10-15 00:20:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:32,455 INFO L93 Difference]: Finished difference Result 2955 states and 3926 transitions. [2019-10-15 00:20:32,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:32,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-15 00:20:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:32,490 INFO L225 Difference]: With dead ends: 2955 [2019-10-15 00:20:32,491 INFO L226 Difference]: Without dead ends: 1953 [2019-10-15 00:20:32,502 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2019-10-15 00:20:32,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1949. [2019-10-15 00:20:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2019-10-15 00:20:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2568 transitions. [2019-10-15 00:20:32,710 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2568 transitions. Word has length 36 [2019-10-15 00:20:32,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:32,711 INFO L462 AbstractCegarLoop]: Abstraction has 1949 states and 2568 transitions. [2019-10-15 00:20:32,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2568 transitions. [2019-10-15 00:20:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 00:20:32,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:32,718 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:32,718 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:32,719 INFO L82 PathProgramCache]: Analyzing trace with hash -347377801, now seen corresponding path program 1 times [2019-10-15 00:20:32,719 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:32,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096716333] [2019-10-15 00:20:32,720 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:32,720 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:32,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:33,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096716333] [2019-10-15 00:20:33,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:33,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:33,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737168244] [2019-10-15 00:20:33,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:33,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:33,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:33,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:33,031 INFO L87 Difference]: Start difference. First operand 1949 states and 2568 transitions. Second operand 3 states. [2019-10-15 00:20:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:33,245 INFO L93 Difference]: Finished difference Result 1975 states and 2600 transitions. [2019-10-15 00:20:33,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:33,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 00:20:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:33,259 INFO L225 Difference]: With dead ends: 1975 [2019-10-15 00:20:33,259 INFO L226 Difference]: Without dead ends: 1962 [2019-10-15 00:20:33,261 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:33,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2019-10-15 00:20:33,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1949. [2019-10-15 00:20:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2019-10-15 00:20:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2567 transitions. [2019-10-15 00:20:33,348 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2567 transitions. Word has length 41 [2019-10-15 00:20:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:33,349 INFO L462 AbstractCegarLoop]: Abstraction has 1949 states and 2567 transitions. [2019-10-15 00:20:33,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2567 transitions. [2019-10-15 00:20:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 00:20:33,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:33,352 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:33,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash -290119499, now seen corresponding path program 1 times [2019-10-15 00:20:33,353 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:33,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962558177] [2019-10-15 00:20:33,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:33,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:33,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:33,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962558177] [2019-10-15 00:20:33,650 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:33,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:33,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560038276] [2019-10-15 00:20:33,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:33,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:33,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:33,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:33,653 INFO L87 Difference]: Start difference. First operand 1949 states and 2567 transitions. Second operand 3 states. [2019-10-15 00:20:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:35,934 INFO L93 Difference]: Finished difference Result 1951 states and 2568 transitions. [2019-10-15 00:20:35,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:35,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 00:20:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:35,947 INFO L225 Difference]: With dead ends: 1951 [2019-10-15 00:20:35,947 INFO L226 Difference]: Without dead ends: 1948 [2019-10-15 00:20:35,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:35,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2019-10-15 00:20:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1948. [2019-10-15 00:20:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-10-15 00:20:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2565 transitions. [2019-10-15 00:20:36,090 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2565 transitions. Word has length 41 [2019-10-15 00:20:36,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:36,091 INFO L462 AbstractCegarLoop]: Abstraction has 1948 states and 2565 transitions. [2019-10-15 00:20:36,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2565 transitions. [2019-10-15 00:20:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 00:20:36,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:36,094 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:36,095 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:36,095 INFO L82 PathProgramCache]: Analyzing trace with hash -404393084, now seen corresponding path program 1 times [2019-10-15 00:20:36,095 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:36,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663987359] [2019-10-15 00:20:36,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:36,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:36,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:36,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663987359] [2019-10-15 00:20:36,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:36,308 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:36,308 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270982853] [2019-10-15 00:20:36,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:36,309 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:36,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:36,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:36,309 INFO L87 Difference]: Start difference. First operand 1948 states and 2565 transitions. Second operand 3 states. [2019-10-15 00:20:38,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:38,527 INFO L93 Difference]: Finished difference Result 1950 states and 2566 transitions. [2019-10-15 00:20:38,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:38,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-15 00:20:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:38,540 INFO L225 Difference]: With dead ends: 1950 [2019-10-15 00:20:38,540 INFO L226 Difference]: Without dead ends: 1947 [2019-10-15 00:20:38,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2019-10-15 00:20:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2019-10-15 00:20:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2019-10-15 00:20:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2563 transitions. [2019-10-15 00:20:38,656 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2563 transitions. Word has length 42 [2019-10-15 00:20:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:38,657 INFO L462 AbstractCegarLoop]: Abstraction has 1947 states and 2563 transitions. [2019-10-15 00:20:38,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2563 transitions. [2019-10-15 00:20:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 00:20:38,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:38,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:38,661 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:38,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:38,661 INFO L82 PathProgramCache]: Analyzing trace with hash 348097944, now seen corresponding path program 1 times [2019-10-15 00:20:38,661 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:38,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671999924] [2019-10-15 00:20:38,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:38,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:38,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:39,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671999924] [2019-10-15 00:20:39,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:39,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:39,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517421811] [2019-10-15 00:20:39,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:39,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:39,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:39,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:39,014 INFO L87 Difference]: Start difference. First operand 1947 states and 2563 transitions. Second operand 3 states. [2019-10-15 00:20:41,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:41,321 INFO L93 Difference]: Finished difference Result 1949 states and 2564 transitions. [2019-10-15 00:20:41,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:41,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 00:20:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:41,334 INFO L225 Difference]: With dead ends: 1949 [2019-10-15 00:20:41,335 INFO L226 Difference]: Without dead ends: 1946 [2019-10-15 00:20:41,336 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2019-10-15 00:20:41,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1946. [2019-10-15 00:20:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2019-10-15 00:20:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2561 transitions. [2019-10-15 00:20:41,423 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2561 transitions. Word has length 43 [2019-10-15 00:20:41,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:41,424 INFO L462 AbstractCegarLoop]: Abstraction has 1946 states and 2561 transitions. [2019-10-15 00:20:41,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2561 transitions. [2019-10-15 00:20:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 00:20:41,427 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:41,427 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:41,427 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:41,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2094479097, now seen corresponding path program 1 times [2019-10-15 00:20:41,428 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:41,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840442704] [2019-10-15 00:20:41,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:41,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:41,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:41,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840442704] [2019-10-15 00:20:41,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:41,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:41,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534094350] [2019-10-15 00:20:41,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:41,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:41,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:41,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:41,636 INFO L87 Difference]: Start difference. First operand 1946 states and 2561 transitions. Second operand 3 states. [2019-10-15 00:20:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:43,954 INFO L93 Difference]: Finished difference Result 1948 states and 2562 transitions. [2019-10-15 00:20:43,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:43,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-15 00:20:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:43,967 INFO L225 Difference]: With dead ends: 1948 [2019-10-15 00:20:43,968 INFO L226 Difference]: Without dead ends: 1945 [2019-10-15 00:20:43,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2019-10-15 00:20:44,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1945. [2019-10-15 00:20:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2019-10-15 00:20:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2559 transitions. [2019-10-15 00:20:44,088 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2559 transitions. Word has length 44