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-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:50:01,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:50:01,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:50:01,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:50:01,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:50:01,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:50:01,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:50:01,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:50:01,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:50:01,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:50:01,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:50:01,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:50:01,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:50:01,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:50:01,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:50:01,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:50:01,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:50:01,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:50:01,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:50:01,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:50:01,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:50:01,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:50:01,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:50:01,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:50:01,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:50:01,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:50:01,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:50:01,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:50:01,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:50:01,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:50:01,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:50:01,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:50:01,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:50:01,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:50:01,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:50:01,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:50:01,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:50:01,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:50:01,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:50:01,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:50:01,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:50:01,542 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 09:50:01,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:50:01,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:50:01,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:50:01,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:50:01,570 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:50:01,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:50:01,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:50:01,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:50:01,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:50:01,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:50:01,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:50:01,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:50:01,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:50:01,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:50:01,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:50:01,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:50:01,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:50:01,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:50:01,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:50:01,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:50:01,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:50:01,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:50:01,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:50:01,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:50:01,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:50:01,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:50:01,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:50:01,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:50:01,577 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 09:50:01,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:50:01,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:50:01,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:50:01,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:50:01,664 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:50:01,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-21 09:50:01,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8e9ba3d/00486729f22a49458e92a3b8bd9f7cc6/FLAGb617f01c8 [2019-09-21 09:50:02,272 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:50:02,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-21 09:50:02,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8e9ba3d/00486729f22a49458e92a3b8bd9f7cc6/FLAGb617f01c8 [2019-09-21 09:50:02,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8e9ba3d/00486729f22a49458e92a3b8bd9f7cc6 [2019-09-21 09:50:02,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:50:02,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:50:02,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:02,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:50:02,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:50:02,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:02,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ee166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02, skipping insertion in model container [2019-09-21 09:50:02,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:02,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:50:02,727 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:50:02,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:02,926 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:50:02,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:02,957 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:50:02,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02 WrapperNode [2019-09-21 09:50:02,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:02,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:50:02,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:50:02,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:50:03,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (1/1) ... [2019-09-21 09:50:03,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:50:03,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:50:03,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:50:03,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:50:03,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:02" (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 09:50:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:50:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:50:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:50:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:50:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:50:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:50:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:50:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:50:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:50:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:50:03,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:50:03,351 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:50:03,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:03 BoogieIcfgContainer [2019-09-21 09:50:03,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:50:03,354 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:50:03,354 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:50:03,355 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:50:03,357 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:03" (1/1) ... [2019-09-21 09:50:03,358 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 09:50:03,397 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:50:03,397 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:50:03,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:50:03,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:50:03,442 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:50:03,577 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-21 09:50:04,865 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-09-21 09:50:04,976 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-09-21 09:50:05,122 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 335 [2019-09-21 09:50:05,277 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2019-09-21 09:50:05,635 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:50:05,802 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:50:06,063 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 474 [2019-09-21 09:50:06,279 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 420 [2019-09-21 09:50:06,383 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2019-09-21 09:50:06,587 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 429 [2019-09-21 09:50:06,894 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2019-09-21 09:50:07,119 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2019-09-21 09:50:07,487 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 659 [2019-09-21 09:50:07,744 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 611 [2019-09-21 09:50:07,884 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-09-21 09:50:08,184 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 615 [2019-09-21 09:50:08,748 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-09-21 09:50:09,265 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-09-21 09:50:10,026 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 1153 DAG size of output: 1152 [2019-09-21 09:50:10,593 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1100 [2019-09-21 09:50:10,922 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-09-21 09:50:11,691 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1107 [2019-09-21 09:50:12,870 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1761 [2019-09-21 09:50:14,062 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1761 [2019-09-21 09:50:15,423 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1762 DAG size of output: 1762 [2019-09-21 09:50:16,145 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 1289 [2019-09-21 09:50:16,639 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-09-21 09:50:17,371 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 1299 DAG size of output: 1299 [2019-09-21 09:50:19,728 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 2527 [2019-09-21 09:50:21,927 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 2527 [2019-09-21 09:50:25,265 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 2528 DAG size of output: 2525 [2019-09-21 09:50:27,322 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1938 DAG size of output: 1934 [2019-09-21 09:50:29,028 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 1934 [2019-09-21 09:50:31,353 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1944 DAG size of output: 1941 [2019-09-21 09:50:36,655 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 3665 [2019-09-21 09:50:41,899 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 3665