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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:19:33,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:19:33,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:19:33,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:19:33,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:19:33,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:19:33,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:19:33,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:19:33,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:19:33,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:19:33,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:19:33,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:19:33,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:19:33,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:19:33,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:19:33,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:19:33,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:19:33,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:19:33,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:19:33,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:19:33,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:19:33,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:19:33,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:19:33,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:19:33,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:19:33,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:19:33,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:19:33,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:19:33,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:19:33,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:19:33,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:19:33,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:19:33,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:19:33,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:19:33,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:19:33,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:19:33,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:19:33,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:19:33,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:19:33,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:19:33,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:19:33,367 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 [2019-10-14 02:19:33,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:19:33,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:19:33,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:19:33,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:19:33,392 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:19:33,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:19:33,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:19:33,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:19:33,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:19:33,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:19:33,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:19:33,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:19:33,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:19:33,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:19:33,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:19:33,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:19:33,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:19:33,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:19:33,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:19:33,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:19:33,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:19:33,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:19:33,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:19:33,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:19:33,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:19:33,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:19:33,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:19:33,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:19:33,398 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 [2019-10-14 02:19:33,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:19:33,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:19:33,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:19:33,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:19:33,719 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:19:33,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-10-14 02:19:33,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed807f29/cbb2b934dfd44b4d9e5959e085fbd181/FLAGcb01d3501 [2019-10-14 02:19:34,590 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:19:34,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-10-14 02:19:34,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed807f29/cbb2b934dfd44b4d9e5959e085fbd181/FLAGcb01d3501 [2019-10-14 02:19:35,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed807f29/cbb2b934dfd44b4d9e5959e085fbd181 [2019-10-14 02:19:35,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:19:35,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:19:35,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:19:35,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:19:35,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:19:35,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:19:35" (1/1) ... [2019-10-14 02:19:35,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c03921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:35, skipping insertion in model container [2019-10-14 02:19:35,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:19:35" (1/1) ... [2019-10-14 02:19:35,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:19:35,308 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:19:36,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:19:36,888 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:19:37,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:19:37,470 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:19:37,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37 WrapperNode [2019-10-14 02:19:37,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:19:37,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:19:37,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:19:37,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:19:37,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (1/1) ... [2019-10-14 02:19:37,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:19:37,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:19:37,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:19:37,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:19:37,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:19:37" (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 [2019-10-14 02:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 02:19:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 02:19:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 02:19:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 02:19:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 02:19:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 02:19:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 02:19:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 02:19:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2019-10-14 02:19:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2019-10-14 02:19:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2019-10-14 02:19:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2019-10-14 02:19:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2019-10-14 02:19:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2019-10-14 02:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-14 02:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-14 02:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-14 02:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-14 02:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-14 02:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-10-14 02:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 02:19:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 02:19:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-14 02:19:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-14 02:19:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-14 02:19:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-14 02:19:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-14 02:19:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-14 02:19:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-14 02:19:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-14 02:19:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-14 02:19:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-14 02:19:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-14 02:19:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-14 02:19:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-14 02:19:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-14 02:19:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-14 02:19:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-14 02:19:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-14 02:19:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-14 02:19:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2019-10-14 02:19:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2019-10-14 02:19:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2019-10-14 02:19:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2019-10-14 02:19:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-10-14 02:19:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2019-10-14 02:19:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2019-10-14 02:19:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2019-10-14 02:19:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2019-10-14 02:19:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2019-10-14 02:19:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2019-10-14 02:19:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 02:19:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-10-14 02:19:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 02:19:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-10-14 02:19:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-14 02:19:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-14 02:19:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 02:19:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 02:19:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 02:19:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-14 02:19:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-14 02:19:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-14 02:19:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-14 02:19:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-14 02:19:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 02:19:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 02:19:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 02:19:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 02:19:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:19:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 02:19:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-14 02:19:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-14 02:19:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 02:19:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-14 02:19:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-14 02:19:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-14 02:19:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:19:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 02:19:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:19:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 02:19:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 02:19:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 02:19:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 02:19:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 02:19:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 02:19:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 02:19:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 02:19:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 02:19:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-10-14 02:19:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2019-10-14 02:19:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-14 02:19:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-14 02:19:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-14 02:19:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-14 02:19:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-14 02:19:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-14 02:19:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-14 02:19:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-14 02:19:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-14 02:19:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 02:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-10-14 02:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 02:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-10-14 02:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-14 02:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-14 02:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-14 02:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-14 02:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2019-10-14 02:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2019-10-14 02:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2019-10-14 02:19:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:19:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 02:19:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-14 02:19:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-14 02:19:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-14 02:19:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-14 02:19:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-14 02:19:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-14 02:19:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-14 02:19:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-14 02:19:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2019-10-14 02:19:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2019-10-14 02:19:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:19:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:19:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:19:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:19:38,765 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 02:19:41,131 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:19:41,131 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:19:41,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:19:41 BoogieIcfgContainer [2019-10-14 02:19:41,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:19:41,134 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:19:41,134 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:19:41,134 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:19:41,135 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:19:41" (1/1) ... [2019-10-14 02:19:41,136 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 [2019-10-14 02:19:41,166 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:19:41,166 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:19:41,182 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:19:41,192 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:19:41,194 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:19:43,629 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 2240 [2019-10-14 02:19:44,806 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 2253 [2019-10-14 02:19:46,060 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 2266 [2019-10-14 02:19:47,019 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 2279 [2019-10-14 02:19:47,952 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 2292 [2019-10-14 02:19:48,899 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 2305 [2019-10-14 02:19:49,889 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 2318 [2019-10-14 02:19:56,463 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 2336 [2019-10-14 02:19:57,464 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 2349 [2019-10-14 02:19:58,467 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 2362 [2019-10-14 02:19:59,566 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 2375 [2019-10-14 02:20:00,663 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 2388 [2019-10-14 02:20:01,789 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 2401 [2019-10-14 02:20:03,061 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 2414 [2019-10-14 02:20:04,970 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-10-14 02:20:06,040 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 2403 [2019-10-14 02:20:07,105 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 2403 [2019-10-14 02:20:08,166 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 2403 [2019-10-14 02:20:09,440 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 2487 [2019-10-14 02:20:09,505 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 2517 for LOIs [2019-10-14 02:20:13,821 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 581