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/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:48:37,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:48:37,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:48:37,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:48:37,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:48:37,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:48:37,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:48:37,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:48:37,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:48:37,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:48:37,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:48:37,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:48:37,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:48:37,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:48:37,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:48:37,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:48:37,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:48:37,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:48:37,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:48:37,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:48:37,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:48:37,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:48:37,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:48:37,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:48:37,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:48:37,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:48:37,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:48:37,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:48:37,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:48:37,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:48:37,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:48:37,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:48:37,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:48:37,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:48:37,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:48:37,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:48:37,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:48:37,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:48:37,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:48:37,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:48:37,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:48:37,259 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 09:48:37,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:48:37,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:48:37,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:48:37,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:48:37,276 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:48:37,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:48:37,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:48:37,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:48:37,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:48:37,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:48:37,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:48:37,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:48:37,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:48:37,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:48:37,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:48:37,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:48:37,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:48:37,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:48:37,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:48:37,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:48:37,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:48:37,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:37,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:48:37,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:48:37,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:48:37,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:48:37,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:48:37,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:48:37,282 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 09:48:37,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:48:37,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:48:37,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:48:37,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:48:37,332 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:48:37,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2019-09-21 09:48:37,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dec0492/a2f65da149d54a6689eb175a9dc97af3/FLAGa4c59bfb5 [2019-09-21 09:48:37,808 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:48:37,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2019-09-21 09:48:37,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dec0492/a2f65da149d54a6689eb175a9dc97af3/FLAGa4c59bfb5 [2019-09-21 09:48:38,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dec0492/a2f65da149d54a6689eb175a9dc97af3 [2019-09-21 09:48:38,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:48:38,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:48:38,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:38,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:48:38,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:48:38,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a266f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38, skipping insertion in model container [2019-09-21 09:48:38,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:48:38,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:48:38,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:38,548 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:48:38,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:38,689 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:48:38,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38 WrapperNode [2019-09-21 09:48:38,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:38,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:48:38,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:48:38,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:48:38,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:48:38,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:48:38,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:48:38,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:48:38,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:38" (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 09:48:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:48:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:48:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:48:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:48:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:48:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:48:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:48:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:48:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:48:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:48:39,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:48:39,181 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:48:39,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:39 BoogieIcfgContainer [2019-09-21 09:48:39,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:48:39,183 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:48:39,183 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:48:39,184 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:48:39,185 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:39" (1/1) ... [2019-09-21 09:48:39,185 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 09:48:39,210 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-21 09:48:39,210 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:39,219 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:39,228 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:39,229 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:39,350 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-21 09:48:40,585 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2019-09-21 09:48:40,943 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2019-09-21 09:48:42,119 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 209 [2019-09-21 09:48:42,322 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-09-21 09:48:42,516 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-09-21 09:48:43,060 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2019-09-21 09:48:43,211 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 211 [2019-09-21 09:48:43,357 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:48:43,779 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 213 [2019-09-21 09:48:49,698 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-21 09:48:49,814 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-21 09:48:49,986 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-21 09:48:50,663 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-09-21 09:48:50,798 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-21 09:48:51,025 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2019-09-21 09:49:05,371 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:05,485 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:05,624 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2019-09-21 09:49:05,757 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2019-09-21 09:49:05,984 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2019-09-21 09:49:06,356 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-21 09:49:06,655 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-21 09:49:06,943 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-09-21 09:49:07,085 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-09-21 09:49:07,226 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-21 09:49:07,346 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-21 09:49:07,701 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-21 09:49:07,942 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-21 09:49:08,244 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-21 09:49:08,521 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-21 09:49:08,744 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-21 09:49:08,897 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-21 09:49:09,058 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:49:09,189 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:49:09,327 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:49:09,456 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:49:09,848 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-21 09:49:10,201 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-21 09:49:10,361 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:10,506 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:10,657 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:49:10,796 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:49:10,946 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:49:11,084 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:49:11,237 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2019-09-21 09:49:11,381 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2019-09-21 09:49:11,524 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:11,668 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-21 09:49:11,802 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 198 [2019-09-21 09:49:12,019 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-09-21 09:49:12,540 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-09-21 09:49:13,878 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2019-09-21 09:49:14,033 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2019-09-21 09:49:14,221 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2019-09-21 09:49:14,381 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-09-21 09:49:14,546 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-09-21 09:49:14,733 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2019-09-21 09:49:14,905 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2019-09-21 09:49:15,052 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2019-09-21 09:49:15,270 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2019-09-21 09:49:15,551 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:49:15,841 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:49:16,167 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 295 [2019-09-21 09:49:16,453 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:49:16,738 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:49:17,079 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 295 [2019-09-21 09:49:17,436 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-09-21 09:49:17,792 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 327