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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:24,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:24,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:24,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:24,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:24,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:24,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:24,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:24,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:24,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:24,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:24,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:24,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:24,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:24,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:24,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:24,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:24,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:24,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:24,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:24,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:24,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:24,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:24,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:24,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:19:24,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:19:24,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:19:24,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:19:24,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:19:24,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:19:24,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:19:24,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:19:24,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:19:24,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:19:24,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:19:24,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:19:24,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:19:24,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:19:24,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:24,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:24,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:24,767 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 [2019-09-20 23:19:24,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:24,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:24,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:24,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:24,808 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:24,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:24,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:24,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:24,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:24,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:24,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:24,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:24,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:24,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:24,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:24,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:24,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:24,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:24,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:24,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:24,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:24,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:24,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:24,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:24,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:24,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:24,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:24,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:24,895 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:24,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 23:19:24,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b903099/7273ad4109124dbaa2cc1f6a5432710b/FLAGcd0ff50b1 [2019-09-20 23:19:25,516 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:25,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 23:19:25,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b903099/7273ad4109124dbaa2cc1f6a5432710b/FLAGcd0ff50b1 [2019-09-20 23:19:25,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b903099/7273ad4109124dbaa2cc1f6a5432710b [2019-09-20 23:19:25,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:25,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:25,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:25,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:25,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:25,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:25" (1/1) ... [2019-09-20 23:19:25,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70baf9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:25, skipping insertion in model container [2019-09-20 23:19:25,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:25" (1/1) ... [2019-09-20 23:19:25,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:25,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:26,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:26,306 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:26,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:26,437 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:26,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26 WrapperNode [2019-09-20 23:19:26,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:26,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:26,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:26,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:26,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (1/1) ... [2019-09-20 23:19:26,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:26,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:26,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:26,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:26,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:26" (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 [2019-09-20 23:19:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-20 23:19:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-20 23:19:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-20 23:19:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:19:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:19:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:19:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:19:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:19:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:19:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:19:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:19:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:19:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:19:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:19:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:19:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:19:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:19:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:19:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:19:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:19:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:19:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:19:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:19:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:19:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:19:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:19:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-20 23:19:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-20 23:19:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-20 23:19:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:27,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:27,446 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-20 23:19:27,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:27 BoogieIcfgContainer [2019-09-20 23:19:27,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:27,448 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:27,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:27,449 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:27,450 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:27" (1/1) ... [2019-09-20 23:19:27,451 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:19:27,474 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:27,475 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:27,484 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:27,493 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:27,494 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:27,649 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 23:19:28,049 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:28,604 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-20 23:19:28,809 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-20 23:19:28,939 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:28,947 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:28,955 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:29,059 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 23:19:29,452 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:29,463 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:29,473 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:29,893 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 23:19:30,051 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 23:19:30,224 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:19:30,370 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:30,522 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:19:30,659 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-20 23:19:30,791 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:30,813 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:30,824 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:31,185 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-20 23:19:31,339 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 23:19:31,497 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:19:31,638 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:31,782 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:19:31,903 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-20 23:19:32,101 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 23:19:32,286 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 23:19:32,346 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:32,374 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:32,397 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:32,406 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:32,414 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:32,821 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-20 23:19:33,040 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:33,257 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 23:19:33,512 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 23:19:33,563 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:33,575 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:33,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:33,979 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-20 23:19:34,149 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 23:19:34,311 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:19:34,475 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 23:19:34,617 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:19:34,762 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:34,895 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:19:35,009 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-20 23:19:35,463 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2019-09-20 23:19:35,630 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 23:19:35,929 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2019-09-20 23:19:36,092 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:19:36,130 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,149 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,168 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,176 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,184 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,192 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:36,593 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 23:19:36,794 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:37,165 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-20 23:19:37,326 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:19:37,355 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:37,393 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:19:37,779 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-20 23:19:37,956 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 23:19:38,137 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:19:38,292 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 23:19:38,454 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:19:38,618 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:19:38,783 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:19:38,898 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-20 23:19:39,188 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 23:19:40,828 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 23:19:41,095 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 23:19:41,254 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:19:41,454 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 23:19:41,586 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:19:41,748 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 23:19:41,879 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:19:42,056 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 23:19:42,198 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 23:19:42,396 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 23:19:42,529 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 23:19:42,891 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 23:19:43,069 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 23:19:45,293 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 156 DAG size of output: 144 [2019-09-20 23:19:47,209 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-09-20 23:19:49,006 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-20 23:19:50,622 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-20 23:19:50,810 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:50,975 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:52,283 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 190 DAG size of output: 155 [2019-09-20 23:19:53,713 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 164 DAG size of output: 153 [2019-09-20 23:19:54,791 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-20 23:19:54,982 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:55,137 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:56,113 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 124 [2019-09-20 23:19:56,291 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:56,469 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 23:19:57,369 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 132 [2019-09-20 23:19:57,531 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 23:19:57,690 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 23:19:58,602 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 118 [2019-09-20 23:19:59,003 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 23:19:59,369 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 23:20:00,156 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2019-09-20 23:20:00,573 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 23:20:01,742 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-20 23:20:02,733 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-20 23:20:05,565 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70