/usr/bin/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-fb55353 [2019-11-07 08:08:28,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 08:08:28,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 08:08:28,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 08:08:28,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 08:08:28,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 08:08:28,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 08:08:28,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 08:08:28,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 08:08:28,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 08:08:28,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 08:08:28,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 08:08:28,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 08:08:28,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 08:08:28,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 08:08:28,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 08:08:28,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 08:08:28,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 08:08:28,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 08:08:28,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 08:08:28,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 08:08:28,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 08:08:28,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 08:08:28,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 08:08:28,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 08:08:28,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 08:08:28,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 08:08:28,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 08:08:28,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 08:08:28,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 08:08:28,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 08:08:28,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 08:08:28,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 08:08:28,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 08:08:28,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 08:08:28,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 08:08:28,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 08:08:28,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 08:08:28,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 08:08:28,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 08:08:28,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 08:08:28,493 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 [2019-11-07 08:08:28,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 08:08:28,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 08:08:28,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 08:08:28,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 08:08:28,510 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 08:08:28,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 08:08:28,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 08:08:28,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 08:08:28,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 08:08:28,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 08:08:28,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 08:08:28,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 08:08:28,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 08:08:28,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 08:08:28,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 08:08:28,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 08:08:28,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 08:08:28,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 08:08:28,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 08:08:28,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 08:08:28,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 08:08:28,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 08:08:28,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 08:08:28,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 08:08:28,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 08:08:28,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 08:08:28,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 08:08:28,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 08:08:28,516 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 [2019-11-07 08:08:28,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 08:08:28,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 08:08:28,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 08:08:28,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 08:08:28,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 08:08:28,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-11-07 08:08:28,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef5cfcc40/59070e01ade644ac8bd4b01c6dc62e2b/FLAGc9c2bc3fa [2019-11-07 08:08:29,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 08:08:29,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-11-07 08:08:29,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef5cfcc40/59070e01ade644ac8bd4b01c6dc62e2b/FLAGc9c2bc3fa [2019-11-07 08:08:29,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef5cfcc40/59070e01ade644ac8bd4b01c6dc62e2b [2019-11-07 08:08:29,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 08:08:29,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 08:08:29,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 08:08:29,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 08:08:29,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 08:08:29,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:08:29" (1/1) ... [2019-11-07 08:08:29,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2556634b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:29, skipping insertion in model container [2019-11-07 08:08:29,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:08:29" (1/1) ... [2019-11-07 08:08:29,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 08:08:29,982 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 08:08:30,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 08:08:30,745 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 08:08:30,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 08:08:31,041 INFO L192 MainTranslator]: Completed translation [2019-11-07 08:08:31,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31 WrapperNode [2019-11-07 08:08:31,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 08:08:31,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 08:08:31,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 08:08:31,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 08:08:31,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (1/1) ... [2019-11-07 08:08:31,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 08:08:31,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 08:08:31,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 08:08:31,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 08:08:31,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:31" (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 [2019-11-07 08:08:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 08:08:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 08:08:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-07 08:08:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 08:08:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 08:08:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-11-07 08:08:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-11-07 08:08:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-11-07 08:08:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-11-07 08:08:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2019-11-07 08:08:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2019-11-07 08:08:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2019-11-07 08:08:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2019-11-07 08:08:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2019-11-07 08:08:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2019-11-07 08:08:31,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 08:08:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-07 08:08:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-07 08:08:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-07 08:08:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-07 08:08:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-07 08:08:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-07 08:08:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-07 08:08:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-07 08:08:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 08:08:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-11-07 08:08:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 08:08:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 08:08:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 08:08:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2019-11-07 08:08:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 08:08:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 08:08:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 08:08:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 08:08:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 08:08:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 08:08:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-07 08:08:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-07 08:08:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-11-07 08:08:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 08:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2019-11-07 08:08:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-11-07 08:08:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2019-11-07 08:08:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2019-11-07 08:08:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 08:08:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2019-11-07 08:08:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 08:08:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 08:08:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 08:08:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 08:08:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 08:08:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 08:08:33,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 08:08:33,657 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 08:08:33,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:08:33 BoogieIcfgContainer [2019-11-07 08:08:33,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 08:08:33,660 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 08:08:33,660 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 08:08:33,660 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 08:08:33,661 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:08:33" (1/1) ... [2019-11-07 08:08:33,662 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 [2019-11-07 08:08:33,687 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 08:08:33,687 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 08:08:33,696 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 08:08:33,704 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 08:08:33,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 08:08:35,410 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-11-07 08:08:36,571 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-11-07 08:08:36,646 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1124 for LOIs [2019-11-07 08:08:37,604 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1136 [2019-11-07 08:08:38,052 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-11-07 08:08:38,615 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1240 [2019-11-07 08:08:39,624 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 1257 DAG size of output: 1253 [2019-11-07 08:08:40,406 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-11-07 08:08:41,564 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1259 [2019-11-07 08:08:42,430 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1273 DAG size of output: 1263 [2019-11-07 08:08:42,885 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 1275 [2019-11-07 08:08:43,149 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-11-07 08:08:43,506 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1276 DAG size of output: 1276 [2019-11-07 08:08:44,197 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1277 [2019-11-07 08:08:44,726 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-11-07 08:08:45,060 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 229 [2019-11-07 08:08:45,303 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-11-07 08:08:45,665 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2019-11-07 08:08:45,904 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2019-11-07 08:08:46,133 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-11-07 08:08:46,264 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2019-11-07 08:08:46,546 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 218 [2019-11-07 08:08:46,762 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-11-07 08:08:47,001 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 209 [2019-11-07 08:08:47,230 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-11-07 08:08:47,398 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2019-11-07 08:08:47,641 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 220 [2019-11-07 08:08:47,904 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 236 [2019-11-07 08:08:48,168 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2019-11-07 08:08:48,283 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-11-07 08:08:48,465 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2019-11-07 08:08:48,656 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2019-11-07 08:08:49,085 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2019-11-07 08:08:49,332 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2019-11-07 08:08:50,324 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2019-11-07 08:08:51,374 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2019-11-07 08:08:51,653 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 253 [2019-11-07 08:08:54,114 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-07 08:08:54,391 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-07 08:08:54,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37