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 ExplicitValueDomain --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-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:04:41,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:04:41,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:04:41,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:04:41,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:04:41,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:04:41,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:04:41,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:04:41,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:04:41,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:04:41,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:04:41,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:04:41,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:04:41,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:04:41,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:04:41,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:04:41,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:04:41,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:04:41,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:04:41,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:04:41,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:04:41,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:04:41,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:04:41,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:04:41,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:04:41,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:04:41,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:04:41,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:04:41,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:04:41,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:04:41,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:04:41,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:04:41,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:04:41,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:04:41,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:04:41,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:04:41,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:04:41,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:04:41,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:04:41,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:04:41,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:04:41,356 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 14:04:41,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:04:41,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:04:41,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:04:41,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:04:41,372 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:04:41,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:04:41,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:04:41,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:04:41,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:04:41,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:04:41,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:04:41,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:04:41,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:04:41,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:04:41,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:04:41,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:04:41,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:04:41,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:04:41,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:04:41,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:04:41,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:04:41,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:04:41,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:04:41,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:04:41,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:04:41,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:04:41,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:04:41,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:04:41,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 14:04:41,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:04:41,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:04:41,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:04:41,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:04:41,428 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:04:41,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-20 14:04:41,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1df5ae0/58475fcf68a94217a909978c11890cd0/FLAG4e0bc8950 [2019-09-20 14:04:42,019 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:04:42,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-20 14:04:42,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1df5ae0/58475fcf68a94217a909978c11890cd0/FLAG4e0bc8950 [2019-09-20 14:04:42,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1df5ae0/58475fcf68a94217a909978c11890cd0 [2019-09-20 14:04:42,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:04:42,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:04:42,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:04:42,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:04:42,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:04:42,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:04:42" (1/1) ... [2019-09-20 14:04:42,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7743e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:42, skipping insertion in model container [2019-09-20 14:04:42,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:04:42" (1/1) ... [2019-09-20 14:04:42,340 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:04:42,410 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:04:43,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:04:43,013 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:04:43,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:04:43,278 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:04:43,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43 WrapperNode [2019-09-20 14:04:43,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:04:43,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:04:43,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:04:43,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:04:43,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (1/1) ... [2019-09-20 14:04:43,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:04:43,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:04:43,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:04:43,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:04:43,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:04:43" (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 14:04:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:04:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:04:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:04:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:04:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 14:04:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:04:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:04:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:04:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:04:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:04:44,998 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:04:44,998 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 14:04:45,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:04:45 BoogieIcfgContainer [2019-09-20 14:04:45,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:04:45,001 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:04:45,001 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:04:45,001 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:04:45,002 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:04:45" (1/1) ... [2019-09-20 14:04:45,003 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 14:04:45,027 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-20 14:04:45,027 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:04:45,038 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:04:45,047 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:04:45,049 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:04:45,157 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 14:04:46,655 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:46,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:46,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:46,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,250 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,376 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,402 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,706 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,730 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:47,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:48,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:48,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:48,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:48,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:48,406 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:48,573 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:48,743 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:48,944 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,119 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,269 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,437 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,593 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,750 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:49,917 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,080 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,258 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,411 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,572 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,734 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:50,910 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:51,073 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:51,230 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:51,394 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-09-20 14:04:51,863 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:52,223 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:52,611 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:53,025 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:53,425 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:53,782 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:54,145 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:54,537 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:54,903 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:55,262 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:55,610 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:55,976 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:56,337 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:56,711 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:57,098 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:57,478 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:57,870 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:58,257 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:58,670 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-09-20 14:04:58,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:58,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:58,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:58,989 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,210 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,236 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,866 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:04:59,892 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:00,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:00,100 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:00,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:00,310 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:01,901 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-20 14:05:02,027 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 14:05:02,429 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-20 14:05:02,546 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:05:02,709 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:05:02,866 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:05:03,522 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 105 [2019-09-20 14:05:03,816 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:05:04,532 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 94 [2019-09-20 14:05:04,741 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 14:05:05,365 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 14:05:05,595 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 14:05:05,988 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2019-09-20 14:05:06,206 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-20 14:05:06,587 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-20 14:05:06,795 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2019-09-20 14:05:07,059 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-09-20 14:05:07,176 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 14:05:07,685 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2019-09-20 14:05:07,856 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 14:05:08,124 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-09-20 14:05:08,260 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:05:08,601 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2019-09-20 14:05:08,757 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 14:05:08,977 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 44 [2019-09-20 14:05:09,193 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2019-09-20 14:05:09,578 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2019-09-20 14:05:09,988 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-20 14:05:10,122 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:05:10,346 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2019-09-20 14:05:10,681 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-20 14:05:11,477 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-20 14:05:11,686 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 14:05:12,102 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 14:05:12,302 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:05:12,828 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 14:05:13,212 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2019-09-20 14:05:13,431 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38 [2019-09-20 14:05:13,818 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 59 [2019-09-20 14:05:14,496 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-20 14:05:14,617 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:05:14,997 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2019-09-20 14:05:15,107 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:05:15,258 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 14:05:15,417 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 14:05:16,048 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 105 [2019-09-20 14:05:16,345 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:05:17,031 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 94 [2019-09-20 14:05:17,230 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 14:05:17,717 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-20 14:05:17,960 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 14:05:18,725 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 114 [2019-09-20 14:05:19,075 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 14:05:19,886 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2019-09-20 14:05:20,141 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 14:05:20,932 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 129 [2019-09-20 14:05:21,141 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 14:05:21,505 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2019-09-20 14:05:22,177 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-20 14:05:22,404 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2019-09-20 14:05:22,656 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-09-20 14:05:23,115 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-20 14:05:23,269 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:05:23,578 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 14:05:23,727 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:05:24,261 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2019-09-20 14:05:24,415 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 14:05:24,640 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2019-09-20 14:05:24,841 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2019-09-20 14:05:25,238 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53