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/loop-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:49:25,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:49:25,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:49:25,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:49:25,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:49:25,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:49:25,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:49:25,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:49:25,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:49:25,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:49:25,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:49:25,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:49:25,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:49:25,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:49:25,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:49:25,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:49:25,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:49:25,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:49:25,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:49:25,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:49:25,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:49:25,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:49:25,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:49:25,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:49:25,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:49:25,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:49:25,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:49:25,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:49:25,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:49:25,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:49:25,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:49:25,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:49:25,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:49:25,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:49:25,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:49:25,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:49:25,964 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 09:49:25,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:49:25,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:49:25,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:49:25,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:49:25,980 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:49:25,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:49:25,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:49:25,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:49:25,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:49:25,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:49:25,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:49:25,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:49:25,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:49:25,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:49:25,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:49:25,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:49:25,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:49:25,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:49:25,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:49:25,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:49:25,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:49:25,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:49:25,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:49:25,984 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 09:49:26,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:49:26,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:49:26,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:49:26,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:49:26,038 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:49:26,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-21 09:49:26,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba999edbb/79bd58f730354d3686f3a36b358f80c2/FLAGd7e5e0ffd [2019-09-21 09:49:26,544 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:49:26,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-21 09:49:26,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba999edbb/79bd58f730354d3686f3a36b358f80c2/FLAGd7e5e0ffd [2019-09-21 09:49:26,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba999edbb/79bd58f730354d3686f3a36b358f80c2 [2019-09-21 09:49:26,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:49:26,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:49:26,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:26,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:49:26,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:49:26,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:26" (1/1) ... [2019-09-21 09:49:26,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45859c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:26, skipping insertion in model container [2019-09-21 09:49:26,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:26" (1/1) ... [2019-09-21 09:49:26,961 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:49:26,979 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:49:27,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:27,181 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:49:27,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:27,217 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:49:27,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27 WrapperNode [2019-09-21 09:49:27,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:27,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:49:27,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:49:27,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:49:27,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:49:27,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:49:27,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:49:27,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:49:27,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:27" (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 09:49:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:49:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:49:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:49:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:49:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:49:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:49:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:49:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:49:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:49:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:49:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:49:27,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:49:27,671 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-21 09:49:27,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:27 BoogieIcfgContainer [2019-09-21 09:49:27,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:49:27,673 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:49:27,674 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:49:27,674 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:49:27,681 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:27" (1/1) ... [2019-09-21 09:49:27,685 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 09:49:27,724 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:49:27,724 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:49:27,731 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:49:27,740 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:49:27,742 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:49:27,839 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:49:29,791 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-09-21 09:49:30,456 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 171 [2019-09-21 09:49:30,679 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-09-21 09:49:30,901 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-09-21 09:49:31,174 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 276 [2019-09-21 09:49:31,589 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2019-09-21 09:49:31,749 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2019-09-21 09:49:32,015 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 226 [2019-09-21 09:49:32,602 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2019-09-21 09:49:32,992 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2019-09-21 09:49:33,421 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 370 [2019-09-21 09:49:33,696 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-09-21 09:49:33,880 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-09-21 09:49:34,206 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 284 [2019-09-21 09:49:34,574 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 09:49:34,933 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 09:49:35,635 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 497 [2019-09-21 09:49:36,913 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-09-21 09:49:37,139 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-09-21 09:49:37,705 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 358 [2019-09-21 09:49:38,374 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-09-21 09:49:38,995 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-09-21 09:49:40,081 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 625 [2019-09-21 09:49:41,766 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 629 [2019-09-21 09:49:42,388 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-09-21 09:49:44,033 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 630 DAG size of output: 630 [2019-09-21 09:49:45,284 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2019-09-21 09:49:45,616 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2019-09-21 09:49:46,435 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 294 [2019-09-21 09:49:47,371 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-09-21 09:49:48,283 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-09-21 09:49:50,054 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 755 [2019-09-21 09:49:52,164 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-09-21 09:49:52,636 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-09-21 09:49:54,039 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 385 [2019-09-21 09:49:55,583 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 958 [2019-09-21 09:49:57,074 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 958 [2019-09-21 09:50:00,275 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 959 DAG size of output: 957