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-f4eb214f-m [2019-10-13 20:21:00,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:21:00,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:21:00,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:21:00,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:21:00,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:21:00,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:21:00,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:21:00,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:21:00,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:21:00,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:21:00,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:21:00,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:21:00,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:21:00,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:21:00,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:21:00,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:21:00,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:21:00,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:21:00,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:21:00,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:21:00,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:21:00,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:21:00,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:21:00,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:21:00,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:21:00,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:21:00,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:21:00,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:21:00,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:21:00,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:21:00,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:21:00,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:21:00,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:21:00,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:21:00,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:21:00,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:21:00,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:21:00,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:21:00,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:21:00,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:21:00,898 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 [2019-10-13 20:21:00,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:21:00,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:21:00,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:21:00,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:21:00,929 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:21:00,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:21:00,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:21:00,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:21:00,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:21:00,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:21:00,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:21:00,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:21:00,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:21:00,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:21:00,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:21:00,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:21:00,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:21:00,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:21:00,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:21:00,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:21:00,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:21:00,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:00,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:21:00,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:21:00,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:21:00,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:21:00,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:21:00,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:21:00,937 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 [2019-10-13 20:21:01,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:21:01,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:21:01,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:21:01,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:21:01,234 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:21:01,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-13 20:21:01,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a2a7e83/75803eb9b6e94103b1cc57be6710aaff/FLAGc5eed990b [2019-10-13 20:21:02,091 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:21:02,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-13 20:21:02,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a2a7e83/75803eb9b6e94103b1cc57be6710aaff/FLAGc5eed990b [2019-10-13 20:21:02,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a2a7e83/75803eb9b6e94103b1cc57be6710aaff [2019-10-13 20:21:02,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:21:02,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:21:02,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:02,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:21:02,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:21:02,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:02" (1/1) ... [2019-10-13 20:21:02,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404140b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:02, skipping insertion in model container [2019-10-13 20:21:02,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:02" (1/1) ... [2019-10-13 20:21:02,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:21:02,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:21:04,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:04,228 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:21:04,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:04,931 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:21:04,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04 WrapperNode [2019-10-13 20:21:04,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:04,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:21:04,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:21:04,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:21:04,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:04,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (1/1) ... [2019-10-13 20:21:05,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:21:05,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:21:05,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:21:05,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:21:05,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (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 [2019-10-13 20:21:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:21:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:21:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:21:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:21:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 20:21:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:21:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:21:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:21:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:21:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:21:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:21:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:21:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-13 20:21:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 20:21:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2019-10-13 20:21:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2019-10-13 20:21:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2019-10-13 20:21:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2019-10-13 20:21:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2019-10-13 20:21:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2019-10-13 20:21:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2019-10-13 20:21:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2019-10-13 20:21:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2019-10-13 20:21:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2019-10-13 20:21:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2019-10-13 20:21:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2019-10-13 20:21:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:21:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:21:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 20:21:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 20:21:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2019-10-13 20:21:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2019-10-13 20:21:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2019-10-13 20:21:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2019-10-13 20:21:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2019-10-13 20:21:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2019-10-13 20:21:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2019-10-13 20:21:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2019-10-13 20:21:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2019-10-13 20:21:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 20:21:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-10-13 20:21:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-13 20:21:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-10-13 20:21:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 20:21:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:21:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:21:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:21:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:21:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:21:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:21:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:21:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:21:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:21:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 20:21:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:21:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:21:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:21:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:21:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2019-10-13 20:21:05,338 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2019-10-13 20:21:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2019-10-13 20:21:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2019-10-13 20:21:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 20:21:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2019-10-13 20:21:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-10-13 20:21:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2019-10-13 20:21:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:21:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:21:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:21:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2019-10-13 20:21:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:21:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2019-10-13 20:21:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2019-10-13 20:21:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2019-10-13 20:21:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2019-10-13 20:21:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2019-10-13 20:21:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2019-10-13 20:21:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2019-10-13 20:21:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2019-10-13 20:21:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2019-10-13 20:21:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2019-10-13 20:21:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2019-10-13 20:21:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2019-10-13 20:21:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2019-10-13 20:21:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2019-10-13 20:21:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2019-10-13 20:21:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2019-10-13 20:21:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2019-10-13 20:21:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2019-10-13 20:21:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2019-10-13 20:21:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2019-10-13 20:21:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2019-10-13 20:21:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2019-10-13 20:21:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:21:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2019-10-13 20:21:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2019-10-13 20:21:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2019-10-13 20:21:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2019-10-13 20:21:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2019-10-13 20:21:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2019-10-13 20:21:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2019-10-13 20:21:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2019-10-13 20:21:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2019-10-13 20:21:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 20:21:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:21:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:21:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:21:24,933 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:21:24,934 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:21:24,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:24 BoogieIcfgContainer [2019-10-13 20:21:24,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:21:24,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:21:24,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:21:24,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:21:24,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:21:02" (1/3) ... [2019-10-13 20:21:24,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e5fb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:24, skipping insertion in model container [2019-10-13 20:21:24,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:04" (2/3) ... [2019-10-13 20:21:24,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e5fb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:24, skipping insertion in model container [2019-10-13 20:21:24,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:24" (3/3) ... [2019-10-13 20:21:24,946 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2019-10-13 20:21:24,956 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:21:24,969 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:21:24,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:21:25,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:21:25,024 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:21:25,024 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:21:25,025 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:21:25,025 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:21:25,025 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:21:25,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:21:25,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:21:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states. [2019-10-13 20:21:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 20:21:25,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:25,103 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] [2019-10-13 20:21:25,105 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash -643794187, now seen corresponding path program 1 times [2019-10-13 20:21:25,125 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:25,125 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124573344] [2019-10-13 20:21:25,125 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:25,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:25,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:25,947 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124573344] [2019-10-13 20:21:25,950 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:25,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:25,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336101497] [2019-10-13 20:21:25,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:25,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:25,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:25,984 INFO L87 Difference]: Start difference. First operand 1203 states. Second operand 3 states. [2019-10-13 20:21:28,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:28,468 INFO L93 Difference]: Finished difference Result 2955 states and 3926 transitions. [2019-10-13 20:21:28,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:28,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-13 20:21:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:28,521 INFO L225 Difference]: With dead ends: 2955 [2019-10-13 20:21:28,522 INFO L226 Difference]: Without dead ends: 1953 [2019-10-13 20:21:28,539 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 [2019-10-13 20:21:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2019-10-13 20:21:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1949. [2019-10-13 20:21:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2019-10-13 20:21:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2568 transitions. [2019-10-13 20:21:28,785 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2568 transitions. Word has length 36 [2019-10-13 20:21:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:28,787 INFO L462 AbstractCegarLoop]: Abstraction has 1949 states and 2568 transitions. [2019-10-13 20:21:28,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2568 transitions. [2019-10-13 20:21:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 20:21:28,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:28,809 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] [2019-10-13 20:21:28,809 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:28,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:28,809 INFO L82 PathProgramCache]: Analyzing trace with hash -347377801, now seen corresponding path program 1 times [2019-10-13 20:21:28,810 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:28,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676521408] [2019-10-13 20:21:28,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:28,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:28,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:29,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676521408] [2019-10-13 20:21:29,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:29,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:29,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992362413] [2019-10-13 20:21:29,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:29,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:29,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:29,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:29,157 INFO L87 Difference]: Start difference. First operand 1949 states and 2568 transitions. Second operand 3 states. [2019-10-13 20:21:29,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:29,367 INFO L93 Difference]: Finished difference Result 1975 states and 2600 transitions. [2019-10-13 20:21:29,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:29,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-13 20:21:29,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:29,382 INFO L225 Difference]: With dead ends: 1975 [2019-10-13 20:21:29,382 INFO L226 Difference]: Without dead ends: 1962 [2019-10-13 20:21:29,385 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 [2019-10-13 20:21:29,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2019-10-13 20:21:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1949. [2019-10-13 20:21:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2019-10-13 20:21:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2567 transitions. [2019-10-13 20:21:29,464 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2567 transitions. Word has length 41 [2019-10-13 20:21:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:29,465 INFO L462 AbstractCegarLoop]: Abstraction has 1949 states and 2567 transitions. [2019-10-13 20:21:29,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2567 transitions. [2019-10-13 20:21:29,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 20:21:29,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:29,469 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] [2019-10-13 20:21:29,469 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:29,469 INFO L82 PathProgramCache]: Analyzing trace with hash -290119499, now seen corresponding path program 1 times [2019-10-13 20:21:29,469 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:29,470 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091246834] [2019-10-13 20:21:29,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:29,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:29,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:29,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091246834] [2019-10-13 20:21:29,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:29,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:29,693 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843777059] [2019-10-13 20:21:29,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:29,694 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:29,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:29,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:29,694 INFO L87 Difference]: Start difference. First operand 1949 states and 2567 transitions. Second operand 3 states. [2019-10-13 20:21:31,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:31,917 INFO L93 Difference]: Finished difference Result 1951 states and 2568 transitions. [2019-10-13 20:21:31,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:31,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-13 20:21:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:31,930 INFO L225 Difference]: With dead ends: 1951 [2019-10-13 20:21:31,930 INFO L226 Difference]: Without dead ends: 1948 [2019-10-13 20:21:31,934 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 [2019-10-13 20:21:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2019-10-13 20:21:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1948. [2019-10-13 20:21:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-10-13 20:21:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2565 transitions. [2019-10-13 20:21:32,057 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2565 transitions. Word has length 41 [2019-10-13 20:21:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:32,058 INFO L462 AbstractCegarLoop]: Abstraction has 1948 states and 2565 transitions. [2019-10-13 20:21:32,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2565 transitions. [2019-10-13 20:21:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 20:21:32,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:32,066 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] [2019-10-13 20:21:32,067 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:32,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:32,067 INFO L82 PathProgramCache]: Analyzing trace with hash -404393084, now seen corresponding path program 1 times [2019-10-13 20:21:32,068 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:32,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095847723] [2019-10-13 20:21:32,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:32,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:32,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:32,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095847723] [2019-10-13 20:21:32,353 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:32,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:32,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248650737] [2019-10-13 20:21:32,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:32,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:32,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:32,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:32,355 INFO L87 Difference]: Start difference. First operand 1948 states and 2565 transitions. Second operand 3 states. [2019-10-13 20:21:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:34,630 INFO L93 Difference]: Finished difference Result 1950 states and 2566 transitions. [2019-10-13 20:21:34,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:34,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-13 20:21:34,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:34,643 INFO L225 Difference]: With dead ends: 1950 [2019-10-13 20:21:34,643 INFO L226 Difference]: Without dead ends: 1947 [2019-10-13 20:21:34,645 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 [2019-10-13 20:21:34,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2019-10-13 20:21:34,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2019-10-13 20:21:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2019-10-13 20:21:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2563 transitions. [2019-10-13 20:21:34,820 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2563 transitions. Word has length 42 [2019-10-13 20:21:34,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:34,820 INFO L462 AbstractCegarLoop]: Abstraction has 1947 states and 2563 transitions. [2019-10-13 20:21:34,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2563 transitions. [2019-10-13 20:21:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 20:21:34,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:34,824 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] [2019-10-13 20:21:34,824 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:34,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:34,824 INFO L82 PathProgramCache]: Analyzing trace with hash 348097944, now seen corresponding path program 1 times [2019-10-13 20:21:34,825 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:34,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214439921] [2019-10-13 20:21:34,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:34,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:34,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:35,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214439921] [2019-10-13 20:21:35,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:35,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:35,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095344687] [2019-10-13 20:21:35,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:35,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:35,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:35,057 INFO L87 Difference]: Start difference. First operand 1947 states and 2563 transitions. Second operand 3 states. [2019-10-13 20:21:37,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:37,346 INFO L93 Difference]: Finished difference Result 1949 states and 2564 transitions. [2019-10-13 20:21:37,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:37,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 20:21:37,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:37,365 INFO L225 Difference]: With dead ends: 1949 [2019-10-13 20:21:37,365 INFO L226 Difference]: Without dead ends: 1946 [2019-10-13 20:21:37,367 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 [2019-10-13 20:21:37,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2019-10-13 20:21:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1946. [2019-10-13 20:21:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2019-10-13 20:21:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2561 transitions. [2019-10-13 20:21:37,475 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2561 transitions. Word has length 43 [2019-10-13 20:21:37,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:37,475 INFO L462 AbstractCegarLoop]: Abstraction has 1946 states and 2561 transitions. [2019-10-13 20:21:37,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2561 transitions. [2019-10-13 20:21:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 20:21:37,478 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:37,478 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] [2019-10-13 20:21:37,478 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:37,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:37,479 INFO L82 PathProgramCache]: Analyzing trace with hash -2094479097, now seen corresponding path program 1 times [2019-10-13 20:21:37,479 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:37,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262488918] [2019-10-13 20:21:37,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:37,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:37,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:37,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262488918] [2019-10-13 20:21:37,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:37,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:37,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694106797] [2019-10-13 20:21:37,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:37,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:37,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:37,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:37,738 INFO L87 Difference]: Start difference. First operand 1946 states and 2561 transitions. Second operand 3 states.