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 0.1.24-13a467a-m [2019-10-15 00:19:17,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:19:17,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:19:17,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:19:17,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:19:17,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:19:17,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:19:17,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:19:17,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:19:17,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:19:17,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:19:17,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:19:17,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:19:17,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:19:17,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:19:17,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:19:17,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:19:17,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:19:17,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:19:17,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:19:17,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:19:17,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:19:17,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:19:17,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:19:17,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:19:17,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:19:17,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:19:17,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:19:17,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:19:17,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:19:17,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:19:17,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:19:17,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:19:17,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:19:17,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:19:17,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:19:17,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:19:17,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:19:17,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:19:17,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:19:17,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:19:17,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:19:17,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:19:17,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:19:17,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:19:17,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:19:17,703 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:19:17,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:19:17,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:19:17,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:19:17,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:19:17,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:19:17,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:19:17,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:19:17,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:19:17,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:19:17,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:19:17,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:19:17,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:19:17,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:19:17,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:19:17,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:19:17,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:19:17,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:19:17,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:19:17,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:19:17,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:19:17,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:19:17,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:19:17,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:19:17,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:19:18,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:19:18,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:19:18,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:19:18,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:19:18,058 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:19:18,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-15 00:19:18,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2dbb01/ec1e56f1d50444c28ccd1b449f7acca3/FLAG017272768 [2019-10-15 00:19:18,865 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:19:18,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-15 00:19:18,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2dbb01/ec1e56f1d50444c28ccd1b449f7acca3/FLAG017272768 [2019-10-15 00:19:19,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2dbb01/ec1e56f1d50444c28ccd1b449f7acca3 [2019-10-15 00:19:19,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:19:19,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:19:19,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:19,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:19:19,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:19:19,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:19" (1/1) ... [2019-10-15 00:19:19,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719cb46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:19, skipping insertion in model container [2019-10-15 00:19:19,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:19" (1/1) ... [2019-10-15 00:19:19,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:19:19,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:19:20,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:21,122 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:19:21,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:21,714 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:19:21,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21 WrapperNode [2019-10-15 00:19:21,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:21,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:19:21,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:19:21,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:19:21,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:21,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:21,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:21,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:22,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:22,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:22,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... [2019-10-15 00:19:22,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:19:22,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:19:22,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:19:22,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:19:22,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:19:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:19:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:19:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 00:19:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:19:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-15 00:19:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:19:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:19:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-10-15 00:19:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-15 00:19:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-15 00:19:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-15 00:19:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-15 00:19:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-15 00:19:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-10-15 00:19:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-10-15 00:19:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-10-15 00:19:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-10-15 00:19:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-10-15 00:19:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-10-15 00:19:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-10-15 00:19:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-10-15 00:19:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-10-15 00:19:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 00:19:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-15 00:19:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-15 00:19:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-15 00:19:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:19:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:19:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:19:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:19:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:19:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:19:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:19:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:19:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-15 00:19:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-15 00:19:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:19:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-10-15 00:19:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:19:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:19:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:19:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:19:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:19:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:19:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:19:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:19:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:19:33,423 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:19:33,423 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:19:33,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:19:33 BoogieIcfgContainer [2019-10-15 00:19:33,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:19:33,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:19:33,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:19:33,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:19:33,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:19:19" (1/3) ... [2019-10-15 00:19:33,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393d7518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:19:33, skipping insertion in model container [2019-10-15 00:19:33,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:21" (2/3) ... [2019-10-15 00:19:33,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393d7518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:19:33, skipping insertion in model container [2019-10-15 00:19:33,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:19:33" (3/3) ... [2019-10-15 00:19:33,433 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-15 00:19:33,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:19:33,460 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:19:33,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:19:33,511 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:19:33,511 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:19:33,511 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:19:33,511 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:19:33,511 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:19:33,512 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:19:33,512 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:19:33,512 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:19:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states. [2019-10-15 00:19:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 00:19:33,577 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:33,578 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] [2019-10-15 00:19:33,581 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:33,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:33,587 INFO L82 PathProgramCache]: Analyzing trace with hash 636174297, now seen corresponding path program 1 times [2019-10-15 00:19:33,597 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:33,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117465285] [2019-10-15 00:19:33,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:33,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:33,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:35,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117465285] [2019-10-15 00:19:35,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:35,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:35,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582352111] [2019-10-15 00:19:35,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:35,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:35,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:35,205 INFO L87 Difference]: Start difference. First operand 1329 states. Second operand 3 states. [2019-10-15 00:19:35,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:35,944 INFO L93 Difference]: Finished difference Result 3640 states and 5893 transitions. [2019-10-15 00:19:35,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:35,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-15 00:19:35,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:35,980 INFO L225 Difference]: With dead ends: 3640 [2019-10-15 00:19:35,980 INFO L226 Difference]: Without dead ends: 2413 [2019-10-15 00:19:35,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2019-10-15 00:19:36,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2392. [2019-10-15 00:19:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-10-15 00:19:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3761 transitions. [2019-10-15 00:19:36,234 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3761 transitions. Word has length 46 [2019-10-15 00:19:36,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:19:36,234 INFO L462 AbstractCegarLoop]: Abstraction has 2392 states and 3761 transitions. [2019-10-15 00:19:36,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:19:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3761 transitions. [2019-10-15 00:19:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 00:19:36,255 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:36,255 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] [2019-10-15 00:19:36,255 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:36,256 INFO L82 PathProgramCache]: Analyzing trace with hash -581717126, now seen corresponding path program 1 times [2019-10-15 00:19:36,256 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:36,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661343380] [2019-10-15 00:19:36,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:36,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:36,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:36,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661343380] [2019-10-15 00:19:36,894 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:36,894 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:36,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351035319] [2019-10-15 00:19:36,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:36,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:36,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:36,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:36,899 INFO L87 Difference]: Start difference. First operand 2392 states and 3761 transitions. Second operand 3 states. [2019-10-15 00:19:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:37,809 INFO L93 Difference]: Finished difference Result 7142 states and 11241 transitions. [2019-10-15 00:19:37,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:37,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-15 00:19:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:37,844 INFO L225 Difference]: With dead ends: 7142 [2019-10-15 00:19:37,844 INFO L226 Difference]: Without dead ends: 4761 [2019-10-15 00:19:37,861 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2019-10-15 00:19:38,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4740. [2019-10-15 00:19:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2019-10-15 00:19:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7466 transitions. [2019-10-15 00:19:38,108 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 7466 transitions. Word has length 50 [2019-10-15 00:19:38,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:19:38,109 INFO L462 AbstractCegarLoop]: Abstraction has 4740 states and 7466 transitions. [2019-10-15 00:19:38,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:19:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 7466 transitions. [2019-10-15 00:19:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 00:19:38,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:38,111 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] [2019-10-15 00:19:38,112 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:38,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1075695225, now seen corresponding path program 1 times [2019-10-15 00:19:38,112 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:38,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912309949] [2019-10-15 00:19:38,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:38,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:38,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:38,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:38,627 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912309949] [2019-10-15 00:19:38,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:38,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:38,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694428530] [2019-10-15 00:19:38,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:38,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:38,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:38,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:38,630 INFO L87 Difference]: Start difference. First operand 4740 states and 7466 transitions. Second operand 3 states. [2019-10-15 00:19:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:39,348 INFO L93 Difference]: Finished difference Result 14174 states and 22336 transitions. [2019-10-15 00:19:39,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:39,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 00:19:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:39,430 INFO L225 Difference]: With dead ends: 14174 [2019-10-15 00:19:39,431 INFO L226 Difference]: Without dead ends: 9445 [2019-10-15 00:19:39,458 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2019-10-15 00:19:39,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9424. [2019-10-15 00:19:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9424 states. [2019-10-15 00:19:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9424 states to 9424 states and 14854 transitions. [2019-10-15 00:19:39,978 INFO L78 Accepts]: Start accepts. Automaton has 9424 states and 14854 transitions. Word has length 47 [2019-10-15 00:19:39,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:19:39,979 INFO L462 AbstractCegarLoop]: Abstraction has 9424 states and 14854 transitions. [2019-10-15 00:19:39,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:19:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 9424 states and 14854 transitions. [2019-10-15 00:19:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-15 00:19:39,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:39,982 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] [2019-10-15 00:19:39,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:39,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:39,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1311483462, now seen corresponding path program 1 times [2019-10-15 00:19:39,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:39,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263111309] [2019-10-15 00:19:39,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:39,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:39,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:40,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263111309] [2019-10-15 00:19:40,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:40,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:40,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580597821] [2019-10-15 00:19:40,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:40,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:40,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:40,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:40,569 INFO L87 Difference]: Start difference. First operand 9424 states and 14854 transitions. Second operand 3 states. [2019-10-15 00:19:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:42,459 INFO L93 Difference]: Finished difference Result 28202 states and 44460 transitions. [2019-10-15 00:19:42,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:42,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-15 00:19:42,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:42,580 INFO L225 Difference]: With dead ends: 28202 [2019-10-15 00:19:42,581 INFO L226 Difference]: Without dead ends: 18789 [2019-10-15 00:19:42,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:42,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2019-10-15 00:19:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 18768. [2019-10-15 00:19:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18768 states. [2019-10-15 00:19:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18768 states to 18768 states and 29586 transitions. [2019-10-15 00:19:43,466 INFO L78 Accepts]: Start accepts. Automaton has 18768 states and 29586 transitions. Word has length 54 [2019-10-15 00:19:43,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:19:43,469 INFO L462 AbstractCegarLoop]: Abstraction has 18768 states and 29586 transitions. [2019-10-15 00:19:43,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:19:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 18768 states and 29586 transitions. [2019-10-15 00:19:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 00:19:43,475 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:43,476 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, 1, 1, 1, 1, 1] [2019-10-15 00:19:43,476 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:43,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:43,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1883819848, now seen corresponding path program 1 times [2019-10-15 00:19:43,478 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:43,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945863961] [2019-10-15 00:19:43,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:43,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:43,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:44,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945863961] [2019-10-15 00:19:44,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:44,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:44,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822534052] [2019-10-15 00:19:44,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:44,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:44,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:44,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:44,138 INFO L87 Difference]: Start difference. First operand 18768 states and 29586 transitions. Second operand 3 states. [2019-10-15 00:19:45,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:45,620 INFO L93 Difference]: Finished difference Result 56186 states and 88576 transitions. [2019-10-15 00:19:45,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:45,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-15 00:19:45,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:45,778 INFO L225 Difference]: With dead ends: 56186 [2019-10-15 00:19:45,778 INFO L226 Difference]: Without dead ends: 37429 [2019-10-15 00:19:45,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37429 states. [2019-10-15 00:19:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37429 to 37408. [2019-10-15 00:19:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37408 states. [2019-10-15 00:19:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37408 states to 37408 states and 58962 transitions. [2019-10-15 00:19:48,796 INFO L78 Accepts]: Start accepts. Automaton has 37408 states and 58962 transitions. Word has length 64 [2019-10-15 00:19:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:19:48,796 INFO L462 AbstractCegarLoop]: Abstraction has 37408 states and 58962 transitions. [2019-10-15 00:19:48,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:19:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 37408 states and 58962 transitions. [2019-10-15 00:19:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 00:19:48,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:48,800 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] [2019-10-15 00:19:48,800 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:48,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:48,801 INFO L82 PathProgramCache]: Analyzing trace with hash -51889405, now seen corresponding path program 1 times [2019-10-15 00:19:48,801 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:48,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118677095] [2019-10-15 00:19:48,801 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:48,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:48,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:49,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118677095] [2019-10-15 00:19:49,236 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:49,236 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:49,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057916276] [2019-10-15 00:19:49,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:49,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:49,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:49,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:49,239 INFO L87 Difference]: Start difference. First operand 37408 states and 58962 transitions. Second operand 3 states.