java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 20:02:43,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 20:02:43,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 20:02:43,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 20:02:43,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 20:02:43,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 20:02:43,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 20:02:43,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 20:02:43,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 20:02:43,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 20:02:43,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 20:02:43,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 20:02:43,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 20:02:43,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 20:02:43,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 20:02:43,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 20:02:43,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 20:02:43,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 20:02:43,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 20:02:43,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 20:02:43,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 20:02:43,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 20:02:43,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 20:02:43,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 20:02:43,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 20:02:43,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 20:02:43,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 20:02:43,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 20:02:43,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 20:02:43,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 20:02:43,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 20:02:43,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 20:02:43,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 20:02:43,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 20:02:43,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 20:02:43,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 20:02:43,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 20:02:43,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 20:02:43,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 20:02:43,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 20:02:43,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 20:02:43,823 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 [2019-10-03 20:02:43,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 20:02:43,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 20:02:43,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 20:02:43,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 20:02:43,843 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 20:02:43,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 20:02:43,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 20:02:43,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 20:02:43,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 20:02:43,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 20:02:43,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 20:02:43,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 20:02:43,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 20:02:43,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 20:02:43,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 20:02:43,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 20:02:43,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 20:02:43,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 20:02:43,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 20:02:43,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 20:02:43,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 20:02:43,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 20:02:43,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 20:02:43,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 20:02:43,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 20:02:43,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 20:02:43,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 20:02:43,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 20:02:43,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 20:02:43,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 20:02:43,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 20:02:43,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 20:02:43,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 20:02:43,905 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 20:02:43,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-10-03 20:02:43,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febe7725/909b0993d5d04aa7aaed31f3bc620a14/FLAGf05c5aa29 [2019-10-03 20:02:44,680 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 20:02:44,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-10-03 20:02:44,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febe7725/909b0993d5d04aa7aaed31f3bc620a14/FLAGf05c5aa29 [2019-10-03 20:02:44,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febe7725/909b0993d5d04aa7aaed31f3bc620a14 [2019-10-03 20:02:44,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 20:02:44,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 20:02:44,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 20:02:44,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 20:02:44,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 20:02:44,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 08:02:44" (1/1) ... [2019-10-03 20:02:44,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a1ee07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:44, skipping insertion in model container [2019-10-03 20:02:44,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 08:02:44" (1/1) ... [2019-10-03 20:02:44,921 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 20:02:45,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 20:02:46,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 20:02:46,056 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 20:02:46,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 20:02:46,381 INFO L192 MainTranslator]: Completed translation [2019-10-03 20:02:46,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46 WrapperNode [2019-10-03 20:02:46,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 20:02:46,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 20:02:46,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 20:02:46,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 20:02:46,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (1/1) ... [2019-10-03 20:02:46,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 20:02:46,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 20:02:46,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 20:02:46,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 20:02:46,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 08:02:46" (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 [2019-10-03 20:02:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 20:02:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 20:02:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-03 20:02:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 20:02:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 20:02:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-03 20:02:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-03 20:02:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-03 20:02:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-03 20:02:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2019-10-03 20:02:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2019-10-03 20:02:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2019-10-03 20:02:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2019-10-03 20:02:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2019-10-03 20:02:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2019-10-03 20:02:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 20:02:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-03 20:02:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-03 20:02:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-03 20:02:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-03 20:02:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-03 20:02:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-03 20:02:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-03 20:02:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-03 20:02:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-03 20:02:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-03 20:02:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-03 20:02:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 20:02:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 20:02:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 20:02:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 20:02:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-03 20:02:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 20:02:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 20:02:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 20:02:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 20:02:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 20:02:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2019-10-03 20:02:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2019-10-03 20:02:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-10-03 20:02:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2019-10-03 20:02:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2019-10-03 20:02:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2019-10-03 20:02:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-10-03 20:02:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 20:02:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 20:02:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 20:02:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 20:02:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 20:02:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 20:02:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 20:02:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 20:02:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-03 20:02:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-03 20:02:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-03 20:02:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2019-10-03 20:02:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2019-10-03 20:02:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-03 20:02:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-03 20:02:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 20:02:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2019-10-03 20:02:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2019-10-03 20:02:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2019-10-03 20:02:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2019-10-03 20:02:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2019-10-03 20:02:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 20:02:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 20:02:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 20:02:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 20:02:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 20:02:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 20:02:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 20:02:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-03 20:02:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-03 20:02:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 20:02:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-03 20:02:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-03 20:02:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-03 20:02:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-03 20:02:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-03 20:02:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-03 20:02:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-03 20:02:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-03 20:02:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-03 20:02:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-03 20:02:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-03 20:02:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 20:02:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 20:02:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-10-03 20:02:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-10-03 20:02:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 20:02:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 20:02:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 20:02:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 20:02:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-03 20:02:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 20:02:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 20:02:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 20:02:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2019-10-03 20:02:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2019-10-03 20:02:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2019-10-03 20:02:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2019-10-03 20:02:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2019-10-03 20:02:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2019-10-03 20:02:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2019-10-03 20:02:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-03 20:02:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-03 20:02:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-03 20:02:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-03 20:02:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-03 20:02:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-03 20:02:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 20:02:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-03 20:02:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2019-10-03 20:02:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 20:02:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2019-10-03 20:02:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2019-10-03 20:02:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 20:02:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 20:02:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 20:02:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2019-10-03 20:02:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2019-10-03 20:02:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2019-10-03 20:02:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 20:02:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 20:02:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 20:02:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 20:02:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 20:02:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-03 20:02:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 20:02:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-03 20:02:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 20:02:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 20:02:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 20:02:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2019-10-03 20:02:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2019-10-03 20:02:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2019-10-03 20:02:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2019-10-03 20:02:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2019-10-03 20:02:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 20:02:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 20:02:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 20:02:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 20:02:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 20:02:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 20:02:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 20:02:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 20:02:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 20:02:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 20:02:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 20:02:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 20:02:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 20:02:49,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 20:02:49,071 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 20:02:49,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 08:02:49 BoogieIcfgContainer [2019-10-03 20:02:49,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 20:02:49,073 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 20:02:49,073 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 20:02:49,074 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 20:02:49,075 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 08:02:49" (1/1) ... [2019-10-03 20:02:49,076 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 20:02:49,103 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 20:02:49,103 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 20:02:49,111 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 20:02:49,120 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 20:02:49,121 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 20:02:50,859 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-03 20:02:51,940 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-03 20:02:52,335 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-03 20:02:52,637 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-03 20:02:52,991 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 1172 [2019-10-03 20:02:53,030 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1194 for LOIs [2019-10-03 20:02:53,969 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 1219 DAG size of output: 1214 [2019-10-03 20:02:54,511 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-03 20:02:54,972 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 1240 [2019-10-03 20:02:56,107 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1253 [2019-10-03 20:02:57,061 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-03 20:02:58,325 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1259 [2019-10-03 20:02:59,349 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1263 [2019-10-03 20:02:59,874 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 1275 [2019-10-03 20:03:00,292 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-03 20:03:01,201 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 1276 DAG size of output: 1276 [2019-10-03 20:03:02,287 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1277 [2019-10-03 20:03:02,602 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-03 20:03:03,299 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-03 20:03:03,575 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 229 [2019-10-03 20:03:03,801 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2019-10-03 20:03:03,910 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2019-10-03 20:03:04,169 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2019-10-03 20:03:04,607 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 209 [2019-10-03 20:03:04,719 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-10-03 20:03:05,268 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2019-10-03 20:03:05,595 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 238 [2019-10-03 20:03:05,851 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2019-10-03 20:03:05,963 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-10-03 20:03:06,163 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2019-10-03 20:03:06,367 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2019-10-03 20:03:06,742 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2019-10-03 20:03:06,854 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-10-03 20:03:07,724 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2019-10-03 20:03:07,971 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2019-10-03 20:03:08,075 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2019-10-03 20:03:09,035 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2019-10-03 20:03:09,183 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-10-03 20:03:09,387 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 253 [2019-10-03 20:03:11,728 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-03 20:03:12,115 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-03 20:03:12,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37