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_QUICK -i ../../../trunk/examples/svcomp/loops/terminator_02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:47:52,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:47:52,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:47:52,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:47:52,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:47:52,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:47:52,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:47:52,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:47:52,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:47:52,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:47:52,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:47:52,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:47:52,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:47:52,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:47:52,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:47:52,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:47:52,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:47:52,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:47:52,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:47:52,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:47:52,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:47:52,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:47:52,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:47:52,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:47:52,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:47:52,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:47:52,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:47:52,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:47:52,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:47:52,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:47:52,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:47:52,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:47:52,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:47:52,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:47:52,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:47:52,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:47:52,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:47:52,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:47:52,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:47:52,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:47:52,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:47:52,673 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 [2019-09-21 09:47:52,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:47:52,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:47:52,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:47:52,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:47:52,698 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:47:52,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:47:52,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:47:52,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:47:52,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:47:52,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:47:52,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:47:52,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:47:52,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:47:52,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:47:52,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:47:52,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:47:52,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:47:52,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:47:52,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:47:52,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:47:52,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:47:52,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:47:52,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:47:52,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:47:52,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:47:52,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:47:52,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:47:52,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:47:52,703 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_QUICK [2019-09-21 09:47:52,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:47:52,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:47:52,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:47:52,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:47:52,776 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:47:52,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-2.c [2019-09-21 09:47:52,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82da152a/b0129ceed0d14019b2c9b2cd42b1a9be/FLAGae6f531e2 [2019-09-21 09:47:53,256 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:47:53,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-2.c [2019-09-21 09:47:53,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82da152a/b0129ceed0d14019b2c9b2cd42b1a9be/FLAGae6f531e2 [2019-09-21 09:47:53,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82da152a/b0129ceed0d14019b2c9b2cd42b1a9be [2019-09-21 09:47:53,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:47:53,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:47:53,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:53,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:47:53,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:47:53,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:53" (1/1) ... [2019-09-21 09:47:53,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8701c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:53, skipping insertion in model container [2019-09-21 09:47:53,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:53" (1/1) ... [2019-09-21 09:47:53,716 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:47:53,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:47:53,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:53,972 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:47:53,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:54,001 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:47:54,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54 WrapperNode [2019-09-21 09:47:54,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:54,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:47:54,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:47:54,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:47:54,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:47:54,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:47:54,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:47:54,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:47:54,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:54" (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 [2019-09-21 09:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:47:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:47:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:47:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:47:54,433 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:47:54,434 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:47:54,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:54 BoogieIcfgContainer [2019-09-21 09:47:54,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:47:54,436 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:47:54,436 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:47:54,436 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:47:54,438 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:54" (1/1) ... [2019-09-21 09:47:54,438 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:47:54,468 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:47:54,468 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:47:54,476 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:47:54,499 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:47:54,501 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:47:54,648 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:47:57,324 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 325 [2019-09-21 09:47:57,452 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2019-09-21 09:47:57,623 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 303 [2019-09-21 09:47:57,833 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 408 [2019-09-21 09:47:57,996 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2019-09-21 09:47:58,227 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 392 [2019-09-21 09:47:58,425 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 515 [2019-09-21 09:47:58,603 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 09:47:58,942 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 451 [2019-09-21 09:47:59,294 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 589 [2019-09-21 09:47:59,543 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 589 [2019-09-21 09:47:59,971 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 563 [2019-09-21 09:48:00,369 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 777 [2019-09-21 09:48:00,770 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-09-21 09:48:01,424 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 719 [2019-09-21 09:48:02,135 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 897 [2019-09-21 09:48:02,779 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 897 [2019-09-21 09:48:03,658 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 867 [2019-09-21 09:48:04,767 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1311 DAG size of output: 1305 [2019-09-21 09:48:05,795 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1305 [2019-09-21 09:48:07,240 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1306 DAG size of output: 1184 [2019-09-21 09:48:09,140 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1549 DAG size of output: 1463 [2019-09-21 09:48:10,648 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1463 DAG size of output: 1456 [2019-09-21 09:48:13,024 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1457 DAG size of output: 1402 [2019-09-21 09:48:15,988 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2207 DAG size of output: 2201 [2019-09-21 09:48:18,972 WARN L191 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 2201 DAG size of output: 2198 [2019-09-21 09:48:23,901 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 2199 DAG size of output: 2035 [2019-09-21 09:48:28,932 WARN L191 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 2699 DAG size of output: 2566 [2019-09-21 09:48:33,247 WARN L191 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 2566 DAG size of output: 2555