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/loop-acceleration/array_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:19:54,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:19:54,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:19:54,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:19:54,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:19:54,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:19:54,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:19:54,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:19:54,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:19:54,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:19:54,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:19:54,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:19:54,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:19:54,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:19:54,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:19:54,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:19:54,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:19:54,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:19:54,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:19:54,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:19:54,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:19:54,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:19:54,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:19:54,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:19:54,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:19:54,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:19:54,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:19:54,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:19:54,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:19:54,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:19:54,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:19:54,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:19:54,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:19:54,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:19:54,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:19:54,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:19:54,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:19:54,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:19:54,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:19:54,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:19:54,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:19:54,245 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 17:19:54,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:19:54,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:19:54,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:19:54,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:19:54,265 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:19:54,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:19:54,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:19:54,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:19:54,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:19:54,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:19:54,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:19:54,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:19:54,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:19:54,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:19:54,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:19:54,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:19:54,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:19:54,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:19:54,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:19:54,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:19:54,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:19:54,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:19:54,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:19:54,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:19:54,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:19:54,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:19:54,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:19:54,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:19:54,270 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 [2019-09-20 17:19:54,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:19:54,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:19:54,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:19:54,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:19:54,320 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:19:54,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-20 17:19:54,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf150de96/fb8c9e0d525c4653aa2072d713a915c6/FLAG2ff019841 [2019-09-20 17:19:54,828 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:19:54,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-20 17:19:54,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf150de96/fb8c9e0d525c4653aa2072d713a915c6/FLAG2ff019841 [2019-09-20 17:19:55,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf150de96/fb8c9e0d525c4653aa2072d713a915c6 [2019-09-20 17:19:55,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:19:55,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:19:55,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:55,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:19:55,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:19:55,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cca2c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55, skipping insertion in model container [2019-09-20 17:19:55,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:19:55,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:19:55,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:55,407 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:19:55,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:55,448 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:19:55,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55 WrapperNode [2019-09-20 17:19:55,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:55,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:19:55,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:19:55,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:19:55,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:19:55,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:19:55,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:19:55,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:19:55,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:55" (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 17:19:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:19:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:19:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:19:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:19:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:19:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:19:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:19:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:19:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:19:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:19:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:19:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:19:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:19:55,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:19:55,882 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:19:55,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:55 BoogieIcfgContainer [2019-09-20 17:19:55,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:19:55,885 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:19:55,886 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:19:55,886 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:19:55,888 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:55" (1/1) ... [2019-09-20 17:19:55,895 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 [2019-09-20 17:19:55,953 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:19:55,953 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:19:55,975 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:19:55,983 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:19:55,985 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:19:56,208 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:19:56,547 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-20 17:19:56,657 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-20 17:19:56,884 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-20 17:19:57,106 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 17:19:57,443 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 17:19:57,799 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 17:19:57,948 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:19:58,224 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 17:19:58,588 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 17:19:58,780 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:19:59,150 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-20 17:19:59,650 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-20 17:19:59,868 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 17:20:00,360 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 17:20:01,508 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-20 17:20:01,938 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:20:02,743 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 17:20:03,748 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2019-09-20 17:20:04,207 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:20:05,072 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-20 17:20:06,766 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-09-20 17:20:07,612 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:20:09,268 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-20 17:20:11,315 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-20 17:20:12,325 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:20:13,727 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 17:20:16,096 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 17:20:17,236 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:20:19,623 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2019-09-20 17:20:22,534 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 126 DAG size of output: 109 [2019-09-20 17:20:23,911 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:20:26,655 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2019-09-20 17:20:33,295 WARN L191 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2019-09-20 17:20:36,786 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:20:43,326 WARN L191 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 123 DAG size of output: 122