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--hwmon--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:20:17,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:20:17,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:20:17,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:20:17,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:20:17,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:20:17,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:20:17,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:20:17,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:20:17,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:20:17,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:20:17,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:20:17,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:20:17,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:20:17,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:20:17,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:20:17,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:20:17,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:20:17,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:20:17,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:20:17,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:20:17,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:20:17,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:20:17,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:20:17,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:20:17,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:20:17,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:20:17,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:20:17,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:20:17,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:20:17,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:20:17,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:20:17,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:20:17,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:20:17,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:20:17,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:20:17,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:20:17,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:20:17,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:20:17,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:20:17,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:20:17,782 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 20:20:17,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:20:17,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:20:17,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:20:17,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:20:17,823 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:20:17,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:20:17,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:20:17,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:20:17,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:20:17,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:20:17,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:20:17,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:20:17,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:20:17,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:20:17,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:20:17,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:20:17,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:20:17,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:20:17,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:20:17,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:20:17,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:20:17,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:17,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:20:17,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:20:17,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:20:17,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:20:17,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:20:17,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:20:17,829 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 20:20:18,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:20:18,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:20:18,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:20:18,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:20:18,169 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:20:18,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 20:20:18,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e90b360/7703087dea894282be21e267dc062e14/FLAG713c7bede [2019-10-13 20:20:19,009 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:20:19,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 20:20:19,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e90b360/7703087dea894282be21e267dc062e14/FLAG713c7bede [2019-10-13 20:20:19,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e90b360/7703087dea894282be21e267dc062e14 [2019-10-13 20:20:19,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:20:19,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:20:19,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:19,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:20:19,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:20:19,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:19" (1/1) ... [2019-10-13 20:20:19,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65051070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:19, skipping insertion in model container [2019-10-13 20:20:19,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:19" (1/1) ... [2019-10-13 20:20:19,592 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:20:19,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:20:21,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:21,284 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:20:21,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:22,026 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:20:22,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22 WrapperNode [2019-10-13 20:20:22,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:22,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:20:22,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:20:22,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:20:22,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... [2019-10-13 20:20:22,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:20:22,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:20:22,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:20:22,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:20:22,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:20:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:20:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 20:20:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:20:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-13 20:20:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:20:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:20:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-10-13 20:20:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-13 20:20:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-13 20:20:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-13 20:20:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-13 20:20:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-13 20:20:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-10-13 20:20:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-10-13 20:20:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-10-13 20:20:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-10-13 20:20:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-10-13 20:20:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-10-13 20:20:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-10-13 20:20:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-10-13 20:20:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-10-13 20:20:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-10-13 20:20:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-10-13 20:20:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-10-13 20:20:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:20:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:20:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:20:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 20:20:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:20:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:20:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:20:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:20:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:20:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:20:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-13 20:20:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-13 20:20:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-13 20:20:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-13 20:20:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-13 20:20:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-13 20:20:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-13 20:20:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:20:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:20:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:20:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:20:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:20:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-13 20:20:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-13 20:20:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-13 20:20:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-13 20:20:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-13 20:20:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-13 20:20:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-10-13 20:20:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-13 20:20:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-13 20:20:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:20:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:20:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:20:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-13 20:20:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 20:20:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 20:20:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:20:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:20:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:20:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:20:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:20:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-13 20:20:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-13 20:20:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:20:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:20:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:20:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:20:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:20:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:20:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 20:20:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:20:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:20:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-13 20:20:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-13 20:20:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:20:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-13 20:20:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 20:20:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 20:20:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-13 20:20:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:20:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:20:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-13 20:20:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-13 20:20:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-10-13 20:20:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-10-13 20:20:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-13 20:20:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-13 20:20:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-13 20:20:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-13 20:20:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-13 20:20:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 20:20:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:20:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-10-13 20:20:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:20:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-10-13 20:20:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:20:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-10-13 20:20:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-10-13 20:20:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-10-13 20:20:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:20:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-10-13 20:20:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:20:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-13 20:20:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:20:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:20:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:20:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:20:35,087 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:20:35,087 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:20:35,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:35 BoogieIcfgContainer [2019-10-13 20:20:35,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:20:35,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:20:35,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:20:35,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:20:35,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:20:19" (1/3) ... [2019-10-13 20:20:35,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4dce5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:35, skipping insertion in model container [2019-10-13 20:20:35,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:22" (2/3) ... [2019-10-13 20:20:35,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4dce5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:35, skipping insertion in model container [2019-10-13 20:20:35,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:35" (3/3) ... [2019-10-13 20:20:35,099 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 20:20:35,109 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:20:35,123 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:20:35,135 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:20:35,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:20:35,175 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:20:35,175 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:20:35,176 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:20:35,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:20:35,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:20:35,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:20:35,176 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:20:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states. [2019-10-13 20:20:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 20:20:35,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:35,260 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, 1, 1] [2019-10-13 20:20:35,263 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:35,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:35,271 INFO L82 PathProgramCache]: Analyzing trace with hash 636174297, now seen corresponding path program 1 times [2019-10-13 20:20:35,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:35,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335363168] [2019-10-13 20:20:35,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:35,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:35,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:36,966 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 20:20:36,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335363168] [2019-10-13 20:20:36,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:36,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:36,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519615096] [2019-10-13 20:20:36,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:36,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:36,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:36,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:36,996 INFO L87 Difference]: Start difference. First operand 1329 states. Second operand 3 states. [2019-10-13 20:20:37,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:37,879 INFO L93 Difference]: Finished difference Result 3640 states and 5893 transitions. [2019-10-13 20:20:37,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:37,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 20:20:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:37,931 INFO L225 Difference]: With dead ends: 3640 [2019-10-13 20:20:37,932 INFO L226 Difference]: Without dead ends: 2413 [2019-10-13 20:20:37,949 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 [2019-10-13 20:20:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2019-10-13 20:20:38,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2392. [2019-10-13 20:20:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-10-13 20:20:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3761 transitions. [2019-10-13 20:20:38,221 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3761 transitions. Word has length 46 [2019-10-13 20:20:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:38,222 INFO L462 AbstractCegarLoop]: Abstraction has 2392 states and 3761 transitions. [2019-10-13 20:20:38,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3761 transitions. [2019-10-13 20:20:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 20:20:38,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:38,245 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, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:38,245 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:38,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:38,246 INFO L82 PathProgramCache]: Analyzing trace with hash -581717126, now seen corresponding path program 1 times [2019-10-13 20:20:38,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:38,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450172870] [2019-10-13 20:20:38,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:38,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:38,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:38,913 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 20:20:38,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450172870] [2019-10-13 20:20:38,914 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:38,914 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:38,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169018979] [2019-10-13 20:20:38,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:38,919 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:38,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:38,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:38,920 INFO L87 Difference]: Start difference. First operand 2392 states and 3761 transitions. Second operand 3 states. [2019-10-13 20:20:39,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:39,772 INFO L93 Difference]: Finished difference Result 7142 states and 11241 transitions. [2019-10-13 20:20:39,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:39,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-13 20:20:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:39,817 INFO L225 Difference]: With dead ends: 7142 [2019-10-13 20:20:39,817 INFO L226 Difference]: Without dead ends: 4761 [2019-10-13 20:20:39,837 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 20:20:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2019-10-13 20:20:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4740. [2019-10-13 20:20:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2019-10-13 20:20:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7466 transitions. [2019-10-13 20:20:40,081 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 7466 transitions. Word has length 50 [2019-10-13 20:20:40,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:40,082 INFO L462 AbstractCegarLoop]: Abstraction has 4740 states and 7466 transitions. [2019-10-13 20:20:40,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 7466 transitions. [2019-10-13 20:20:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 20:20:40,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:40,086 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, 1, 1, 1] [2019-10-13 20:20:40,087 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:40,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:40,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1075695225, now seen corresponding path program 1 times [2019-10-13 20:20:40,087 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:40,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967741849] [2019-10-13 20:20:40,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:40,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:40,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:40,691 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 20:20:40,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967741849] [2019-10-13 20:20:40,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:40,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:40,694 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86685537] [2019-10-13 20:20:40,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:40,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:40,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:40,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:40,696 INFO L87 Difference]: Start difference. First operand 4740 states and 7466 transitions. Second operand 3 states. [2019-10-13 20:20:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:41,545 INFO L93 Difference]: Finished difference Result 14174 states and 22336 transitions. [2019-10-13 20:20:41,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:41,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 20:20:41,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:41,647 INFO L225 Difference]: With dead ends: 14174 [2019-10-13 20:20:41,647 INFO L226 Difference]: Without dead ends: 9445 [2019-10-13 20:20:41,677 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 20:20:41,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2019-10-13 20:20:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9424. [2019-10-13 20:20:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9424 states. [2019-10-13 20:20:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9424 states to 9424 states and 14854 transitions. [2019-10-13 20:20:42,942 INFO L78 Accepts]: Start accepts. Automaton has 9424 states and 14854 transitions. Word has length 47 [2019-10-13 20:20:42,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:42,943 INFO L462 AbstractCegarLoop]: Abstraction has 9424 states and 14854 transitions. [2019-10-13 20:20:42,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9424 states and 14854 transitions. [2019-10-13 20:20:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 20:20:42,951 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:42,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:42,951 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:42,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:42,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1311483462, now seen corresponding path program 1 times [2019-10-13 20:20:42,952 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:42,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686083929] [2019-10-13 20:20:42,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:42,953 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:42,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:43,571 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 20:20:43,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686083929] [2019-10-13 20:20:43,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:43,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:43,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30271818] [2019-10-13 20:20:43,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:43,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:43,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:43,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:43,574 INFO L87 Difference]: Start difference. First operand 9424 states and 14854 transitions. Second operand 3 states. [2019-10-13 20:20:44,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:44,575 INFO L93 Difference]: Finished difference Result 28202 states and 44460 transitions. [2019-10-13 20:20:44,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:44,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-13 20:20:44,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:44,691 INFO L225 Difference]: With dead ends: 28202 [2019-10-13 20:20:44,691 INFO L226 Difference]: Without dead ends: 18789 [2019-10-13 20:20:44,737 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 20:20:44,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2019-10-13 20:20:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 18768. [2019-10-13 20:20:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18768 states. [2019-10-13 20:20:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18768 states to 18768 states and 29586 transitions. [2019-10-13 20:20:45,797 INFO L78 Accepts]: Start accepts. Automaton has 18768 states and 29586 transitions. Word has length 54 [2019-10-13 20:20:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:45,798 INFO L462 AbstractCegarLoop]: Abstraction has 18768 states and 29586 transitions. [2019-10-13 20:20:45,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18768 states and 29586 transitions. [2019-10-13 20:20:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 20:20:45,801 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:45,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:45,802 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:45,802 INFO L82 PathProgramCache]: Analyzing trace with hash -51889405, now seen corresponding path program 1 times [2019-10-13 20:20:45,802 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:45,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275683078] [2019-10-13 20:20:45,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:45,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:45,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:46,382 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 20:20:46,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275683078] [2019-10-13 20:20:46,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:46,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:46,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360500984] [2019-10-13 20:20:46,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:46,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:46,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:46,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:46,386 INFO L87 Difference]: Start difference. First operand 18768 states and 29586 transitions. Second operand 3 states. [2019-10-13 20:20:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:47,780 INFO L93 Difference]: Finished difference Result 56186 states and 88576 transitions. [2019-10-13 20:20:47,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:47,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-10-13 20:20:47,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:47,946 INFO L225 Difference]: With dead ends: 56186 [2019-10-13 20:20:47,946 INFO L226 Difference]: Without dead ends: 37429 [2019-10-13 20:20:48,026 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 20:20:48,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37429 states.