java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:57:22,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:57:22,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:57:22,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:57:22,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:57:22,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:57:22,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:57:22,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:57:22,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:57:22,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:57:22,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:57:22,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:57:22,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:57:22,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:57:22,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:57:22,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:57:22,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:57:22,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:57:22,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:57:22,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:57:22,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:57:22,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:57:22,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:57:22,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:57:22,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:57:22,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:57:22,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:57:22,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:57:22,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:57:22,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:57:22,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:57:22,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:57:22,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:57:22,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:57:22,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:57:22,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:57:22,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:57:22,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:57:22,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:57:22,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:57:22,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:57:22,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 02:57:22,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:57:22,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:57:22,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:57:22,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:57:22,273 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:57:22,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:57:22,274 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:57:22,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:57:22,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:57:22,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:57:22,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:57:22,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:57:22,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:57:22,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:57:22,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:57:22,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:57:22,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:57:22,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:57:22,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:57:22,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:57:22,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:57:22,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:57:22,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:57:22,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:57:22,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:57:22,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:57:22,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:57:22,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:57:22,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:57:22,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:57:22,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:57:22,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:57:22,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:57:22,629 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:57:22,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-10-14 02:57:22,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b4ed720/eae2da85cb3a47fb8aad30c227bee647/FLAG4f3b8bdd7 [2019-10-14 02:57:23,407 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:57:23,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-10-14 02:57:23,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b4ed720/eae2da85cb3a47fb8aad30c227bee647/FLAG4f3b8bdd7 [2019-10-14 02:57:23,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b4ed720/eae2da85cb3a47fb8aad30c227bee647 [2019-10-14 02:57:23,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:57:23,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:57:23,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:57:23,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:57:23,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:57:23,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:57:23" (1/1) ... [2019-10-14 02:57:23,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a372ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:23, skipping insertion in model container [2019-10-14 02:57:23,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:57:23" (1/1) ... [2019-10-14 02:57:23,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:57:23,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:57:24,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:57:24,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:57:25,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:57:25,211 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:57:25,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25 WrapperNode [2019-10-14 02:57:25,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:57:25,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:57:25,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:57:25,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:57:25,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... [2019-10-14 02:57:25,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:57:25,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:57:25,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:57:25,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:57:25,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:57:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:57:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:57:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:57:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:57:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:57:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 02:57:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 02:57:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-14 02:57:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:57:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-14 02:57:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-14 02:57:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-14 02:57:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-14 02:57:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-14 02:57:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-14 02:57:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-14 02:57:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:57:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:57:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:57:29,790 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:57:29,791 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:57:29,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:57:29 BoogieIcfgContainer [2019-10-14 02:57:29,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:57:29,794 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:57:29,795 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:57:29,795 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:57:29,797 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:57:29" (1/1) ... [2019-10-14 02:57:29,798 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:57:29,845 INFO L162 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-10-14 02:57:29,845 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:57:29,865 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:57:29,878 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:57:29,880 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:57:30,493 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-10-14 02:57:30,664 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-10-14 02:57:30,831 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-10-14 02:57:31,314 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-10-14 02:57:32,002 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 682 [2019-10-14 02:57:32,153 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 846 for LOIs [2019-10-14 02:57:38,444 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 946 [2019-10-14 02:57:39,943 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1004 [2019-10-14 02:57:41,000 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1179 [2019-10-14 02:57:42,225 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1216 [2019-10-14 02:57:45,067 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-14 02:57:46,295 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-14 02:57:49,088 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-14 02:57:49,893 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-14 02:57:53,863 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2019-10-14 02:57:55,317 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 946 [2019-10-14 02:57:56,453 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1004 [2019-10-14 02:57:57,463 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1179 [2019-10-14 02:58:00,165 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 [2019-10-14 02:58:01,316 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-14 02:58:02,372 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1222