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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:51:06,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:51:06,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:51:06,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:51:06,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:51:06,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:51:06,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:51:06,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:51:06,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:51:06,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:51:06,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:51:06,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:51:06,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:51:06,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:51:06,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:51:06,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:51:06,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:51:06,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:51:06,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:51:06,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:51:06,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:51:06,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:51:06,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:51:06,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:51:06,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:51:06,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:51:06,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:51:06,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:51:06,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:51:06,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:51:06,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:51:06,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:51:06,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:51:06,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:51:06,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:51:06,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:51:06,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:51:06,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:51:06,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:51:06,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:51:06,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:51:06,595 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 09:51:06,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:51:06,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:51:06,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:51:06,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:51:06,612 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:51:06,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:51:06,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:51:06,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:51:06,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:51:06,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:51:06,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:51:06,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:51:06,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:51:06,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:51:06,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:51:06,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:51:06,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:51:06,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:51:06,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:51:06,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:51:06,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:51:06,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:51:06,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:51:06,617 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 09:51:06,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:51:06,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:51:06,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:51:06,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:51:06,685 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:51:06,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-21 09:51:06,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed809d5e/562c2fb024c74d86ae35992bbccb9cd4/FLAGb94e55c73 [2019-09-21 09:51:07,249 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:51:07,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-21 09:51:07,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed809d5e/562c2fb024c74d86ae35992bbccb9cd4/FLAGb94e55c73 [2019-09-21 09:51:07,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed809d5e/562c2fb024c74d86ae35992bbccb9cd4 [2019-09-21 09:51:07,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:51:07,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:51:07,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:07,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:51:07,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:51:07,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:07,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666f99b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07, skipping insertion in model container [2019-09-21 09:51:07,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:07,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:51:07,672 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:51:07,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:07,905 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:51:07,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:07,950 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:51:07,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07 WrapperNode [2019-09-21 09:51:07,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:07,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:51:07,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:51:07,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:51:08,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (1/1) ... [2019-09-21 09:51:08,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:51:08,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:51:08,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:51:08,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:51:08,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:07" (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 09:51:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:51:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:51:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:51:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:51:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:51:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:51:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:51:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:51:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:51:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:51:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:51:08,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:51:08,390 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:51:08,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:08 BoogieIcfgContainer [2019-09-21 09:51:08,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:51:08,392 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:51:08,392 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:51:08,392 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:51:08,394 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:08" (1/1) ... [2019-09-21 09:51:08,394 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 09:51:08,418 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:51:08,419 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:51:08,426 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:51:08,435 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:51:08,436 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:51:08,528 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:51:10,623 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 313 [2019-09-21 09:51:10,732 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2019-09-21 09:51:10,875 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 314 [2019-09-21 09:51:11,084 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-09-21 09:51:11,256 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-09-21 09:51:11,509 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2019-09-21 09:51:12,242 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 606 [2019-09-21 09:51:12,532 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-09-21 09:51:12,926 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-09-21 09:51:13,321 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-09-21 09:51:13,658 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-09-21 09:51:14,177 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2019-09-21 09:51:15,206 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 1151 [2019-09-21 09:51:15,884 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-09-21 09:51:16,987 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 1152 [2019-09-21 09:51:18,190 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1482 [2019-09-21 09:51:19,421 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1482 [2019-09-21 09:51:21,060 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1483 DAG size of output: 1482 [2019-09-21 09:51:25,342 WARN L191 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 2605 DAG size of output: 2442 [2019-09-21 09:51:28,232 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 2442 DAG size of output: 2440 [2019-09-21 09:51:32,552 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2441 DAG size of output: 2431 [2019-09-21 09:51:37,119 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 3136 [2019-09-21 09:51:42,011 WARN L191 SmtUtils]: Spent 4.89 s on a formula simplification that was a NOOP. DAG size: 3136 [2019-09-21 09:51:47,470 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 3137 DAG size of output: 3136