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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:58:47,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:58:47,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:58:47,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:58:47,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:58:47,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:58:47,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:58:47,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:58:47,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:58:47,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:58:47,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:58:47,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:58:47,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:58:47,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:58:47,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:58:47,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:58:47,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:58:47,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:58:47,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:58:47,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:58:47,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:58:47,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:58:47,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:58:47,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:58:47,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:58:47,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:58:47,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:58:47,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:58:47,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:58:47,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:58:47,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:58:47,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:58:47,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:58:47,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:58:47,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:58:47,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:58:47,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:58:47,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:58:47,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:58:47,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:58:47,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:58:47,521 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 [2019-09-25 16:58:47,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:58:47,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:58:47,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:58:47,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:58:47,538 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:58:47,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:58:47,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:58:47,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:58:47,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:58:47,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:58:47,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:58:47,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:58:47,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:58:47,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:58:47,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:58:47,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:58:47,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:58:47,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:58:47,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:58:47,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:58:47,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:58:47,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:58:47,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:58:47,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:58:47,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:58:47,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:58:47,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:58:47,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:58:47,543 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:58:47,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:58:47,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:58:47,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:58:47,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:58:47,600 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:58:47,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-09-25 16:58:47,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e74089/7f87f163918f40ec800407d2b8de27e5/FLAG942bd95b6 [2019-09-25 16:58:48,388 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:58:48,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-09-25 16:58:48,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e74089/7f87f163918f40ec800407d2b8de27e5/FLAG942bd95b6 [2019-09-25 16:58:48,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e74089/7f87f163918f40ec800407d2b8de27e5 [2019-09-25 16:58:48,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:58:48,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:58:48,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:58:48,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:58:48,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:58:48,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:58:48" (1/1) ... [2019-09-25 16:58:48,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439f53cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:48, skipping insertion in model container [2019-09-25 16:58:48,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:58:48" (1/1) ... [2019-09-25 16:58:48,571 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:58:48,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:58:49,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:58:49,718 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:58:49,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:58:49,937 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:58:49,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49 WrapperNode [2019-09-25 16:58:49,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:58:49,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:58:49,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:58:49,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:58:49,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:49,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (1/1) ... [2019-09-25 16:58:50,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:58:50,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:58:50,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:58:50,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:58:50,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:58:49" (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 [2019-09-25 16:58:50,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:58:50,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:58:50,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-25 16:58:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-25 16:58:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-25 16:58:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-25 16:58:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-25 16:58:50,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-25 16:58:50,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-25 16:58:50,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-25 16:58:50,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-25 16:58:50,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-25 16:58:50,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-25 16:58:50,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-25 16:58:50,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-25 16:58:50,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-25 16:58:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-25 16:58:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-25 16:58:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-25 16:58:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2019-09-25 16:58:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2019-09-25 16:58:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2019-09-25 16:58:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_poll [2019-09-25 16:58:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2019-09-25 16:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2019-09-25 16:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_driver_init [2019-09-25 16:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_driver_exit [2019-09-25 16:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-25 16:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-25 16:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-25 16:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-25 16:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_2 [2019-09-25 16:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_2 [2019-09-25 16:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-25 16:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-09-25 16:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_6 [2019-09-25 16:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_7 [2019-09-25 16:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_8 [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_9 [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_10 [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_11 [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-25 16:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-25 16:58:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-25 16:58:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-25 16:58:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-25 16:58:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-25 16:58:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-25 16:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_alloc [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-25 16:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-25 16:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-25 16:58:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-25 16:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-25 16:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_6 [2019-09-25 16:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-09-25 16:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-25 16:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-25 16:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-25 16:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-25 16:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_2 [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_2 [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-09-25 16:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_10 [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_11 [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-25 16:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_7 [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_8 [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_9 [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2019-09-25 16:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_alloc [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_poll [2019-09-25 16:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_driver_init [2019-09-25 16:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_driver_exit [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-25 16:58:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-25 16:58:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 16:58:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:58:51,027 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-25 16:58:51,052 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-25 16:58:51,862 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:58:51,862 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 16:58:51,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:58:51 BoogieIcfgContainer [2019-09-25 16:58:51,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:58:51,864 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:58:51,864 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:58:51,865 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:58:51,866 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:58:51" (1/1) ... [2019-09-25 16:58:51,866 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 [2019-09-25 16:58:51,897 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:58:51,898 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:58:51,915 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:58:51,928 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:58:51,929 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:58:52,440 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2019-09-25 16:58:52,974 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-09-25 16:58:53,047 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 386 for LOIs [2019-09-25 16:58:53,180 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 16:58:53,775 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 401 [2019-09-25 16:58:54,035 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2019-09-25 16:58:54,557 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2019-09-25 16:58:55,019 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 484 [2019-09-25 16:58:55,736 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2019-09-25 16:58:55,907 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-25 16:58:56,420 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 487 [2019-09-25 16:58:56,809 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 487 [2019-09-25 16:58:57,095 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2019-09-25 16:58:57,489 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2019-09-25 16:58:57,782 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 487 [2019-09-25 16:58:58,051 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2019-09-25 16:58:58,471 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2019-09-25 16:58:58,782 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 484 [2019-09-25 16:58:59,061 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2019-09-25 16:58:59,383 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 487 [2019-09-25 16:58:59,772 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2019-09-25 16:59:00,106 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2019-09-25 16:59:00,382 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2019-09-25 16:59:00,706 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2019-09-25 16:59:01,016 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2019-09-25 16:59:01,301 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2019-09-25 16:59:02,022 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2019-09-25 16:59:02,287 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 265 [2019-09-25 16:59:02,734 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 277 [2019-09-25 16:59:03,029 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-09-25 16:59:03,166 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 277 [2019-09-25 16:59:03,468 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-09-25 16:59:03,603 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2019-09-25 16:59:03,829 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 248 [2019-09-25 16:59:04,336 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 292 [2019-09-25 16:59:04,607 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 292 [2019-09-25 16:59:05,474 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2019-09-25 16:59:06,153 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:06,167 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,041 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,072 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,345 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,630 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:07,902 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:08,601 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2019-09-25 16:59:09,601 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2019-09-25 16:59:09,808 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2019-09-25 16:59:10,807 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2019-09-25 16:59:12,673 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-09-25 16:59:13,256 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:13,274 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:13,353 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:16,917 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:16,933 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:16,983 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:17,001 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:59:19,933 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2019-09-25 16:59:20,490 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 277 [2019-09-25 16:59:20,592 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-09-25 16:59:20,766 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-09-25 16:59:21,132 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-09-25 16:59:21,757 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 292 [2019-09-25 16:59:21,939 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 292 [2019-09-25 16:59:22,601 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2019-09-25 16:59:25,418 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 290