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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-tiling/mbpr3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:55:27,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:55:27,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:55:27,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:55:27,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:55:27,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:55:27,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:55:27,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:55:27,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:55:27,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:55:27,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:55:27,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:55:27,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:55:27,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:55:27,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:55:27,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:55:27,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:55:27,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:55:27,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:55:27,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:55:27,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:55:27,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:55:27,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:55:27,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:55:27,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:55:27,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:55:27,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:55:27,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:55:27,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:55:27,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:55:27,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:55:27,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:55:27,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:55:27,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:55:27,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:55:27,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:55:27,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:55:27,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:55:27,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:55:27,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:55:27,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:55:27,800 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 [2019-09-17 15:55:27,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:55:27,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:55:27,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:55:27,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:55:27,817 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:55:27,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:55:27,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:55:27,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:55:27,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:55:27,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:55:27,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:55:27,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:55:27,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:55:27,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:55:27,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:55:27,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:55:27,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:55:27,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:55:27,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:55:27,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:55:27,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:55:27,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:55:27,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:55:27,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:55:27,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:55:27,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:55:27,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:55:27,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:55:27,822 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 15:55:27,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:55:27,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:55:27,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:55:27,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:55:27,870 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:55:27,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mbpr3.c [2019-09-17 15:55:27,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bdae0cf/2c62d6865c6843ce92804e203b703258/FLAGcd5dff012 [2019-09-17 15:55:28,315 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:55:28,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/mbpr3.c [2019-09-17 15:55:28,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bdae0cf/2c62d6865c6843ce92804e203b703258/FLAGcd5dff012 [2019-09-17 15:55:28,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bdae0cf/2c62d6865c6843ce92804e203b703258 [2019-09-17 15:55:28,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:55:28,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:55:28,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:55:28,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:55:28,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:55:28,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:55:28" (1/1) ... [2019-09-17 15:55:28,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2e65cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:28, skipping insertion in model container [2019-09-17 15:55:28,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:55:28" (1/1) ... [2019-09-17 15:55:28,719 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:55:28,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:55:29,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:55:29,014 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:55:29,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:55:29,174 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:55:29,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29 WrapperNode [2019-09-17 15:55:29,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:55:29,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:55:29,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:55:29,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:55:29,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:55:29,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:55:29,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:55:29,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:55:29,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:29" (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 [2019-09-17 15:55:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:55:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:55:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:55:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:55:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:55:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 15:55:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 15:55:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 15:55:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 15:55:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:55:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:55:29,894 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:55:29,894 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 15:55:29,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:55:29 BoogieIcfgContainer [2019-09-17 15:55:29,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:55:29,898 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:55:29,898 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:55:29,899 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:55:29,900 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:55:29" (1/1) ... [2019-09-17 15:55:29,901 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-17 15:55:29,938 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:55:29,939 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:55:29,949 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:55:29,960 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:55:29,961 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:55:30,217 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-17 15:55:30,578 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2019-09-17 15:55:30,687 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 15:55:30,980 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-17 15:55:31,395 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-17 15:55:31,609 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 15:55:32,042 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-17 15:55:32,708 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 101 [2019-09-17 15:55:32,920 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-17 15:55:33,478 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-17 15:55:34,214 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2019-09-17 15:55:34,616 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 15:55:35,431 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2019-09-17 15:55:40,126 WARN L191 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 177 DAG size of output: 129 [2019-09-17 15:55:41,099 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 15:55:42,794 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2019-09-17 15:55:44,821 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 142 [2019-09-17 15:55:45,881 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 15:55:47,485 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2019-09-17 15:56:05,387 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2019-09-17 15:56:07,777 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 15:56:12,215 WARN L191 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2019-09-17 15:56:18,181 WARN L191 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 185 DAG size of output: 176 [2019-09-17 15:56:20,851 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 176 [2019-09-17 15:56:26,035 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2019-09-17 15:58:11,055 WARN L191 SmtUtils]: Spent 1.75 m on a formula simplification. DAG size of input: 266 DAG size of output: 200 [2019-09-17 15:58:18,905 WARN L191 SmtUtils]: Spent 7.85 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-17 15:58:34,898 WARN L191 SmtUtils]: Spent 15.93 s on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2019-09-17 15:58:56,072 WARN L191 SmtUtils]: Spent 21.10 s on a formula simplification. DAG size of input: 228 DAG size of output: 215 [2019-09-17 15:59:07,659 WARN L191 SmtUtils]: Spent 11.59 s on a formula simplification that was a NOOP. DAG size: 215 [2019-09-17 15:59:26,452 WARN L191 SmtUtils]: Spent 18.79 s on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2019-09-17 16:04:03,508 WARN L191 SmtUtils]: Spent 4.62 m on a formula simplification. DAG size of input: 320 DAG size of output: 244 [2019-09-17 16:04:51,557 WARN L191 SmtUtils]: Spent 48.05 s on a formula simplification that was a NOOP. DAG size: 244 [2019-09-17 16:06:26,319 WARN L191 SmtUtils]: Spent 1.58 m on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2019-09-17 16:08:31,596 WARN L191 SmtUtils]: Spent 2.08 m on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2019-09-17 16:09:33,650 WARN L191 SmtUtils]: Spent 1.03 m on a formula simplification that was a NOOP. DAG size: 260