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/bhmr2007.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:49:30,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:49:30,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:49:30,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:49:30,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:49:30,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:49:30,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:49:30,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:49:30,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:49:30,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:49:30,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:49:30,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:49:30,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:49:30,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:49:30,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:49:30,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:49:30,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:49:30,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:49:30,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:49:30,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:49:30,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:49:30,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:49:30,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:49:30,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:49:30,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:49:30,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:49:30,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:49:30,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:49:30,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:49:30,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:49:30,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:49:30,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:49:30,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:49:30,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:49:30,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:49:30,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:49:30,927 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 09:49:30,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:49:30,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:49:30,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:49:30,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:49:30,948 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:49:30,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:49:30,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:49:30,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:49:30,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:49:30,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:49:30,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:49:30,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:49:30,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:49:30,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:49:30,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:49:30,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:49:30,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:49:30,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:49:30,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:49:30,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:49:30,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:49:30,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:49:30,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:49:30,953 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 09:49:30,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:49:30,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:49:31,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:49:31,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:49:31,005 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:49:31,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-21 09:49:31,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5f3cc3b/29fb058f75394325a84bcc4c4bfb7555/FLAG2546155c9 [2019-09-21 09:49:31,493 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:49:31,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-21 09:49:31,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5f3cc3b/29fb058f75394325a84bcc4c4bfb7555/FLAG2546155c9 [2019-09-21 09:49:31,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5f3cc3b/29fb058f75394325a84bcc4c4bfb7555 [2019-09-21 09:49:31,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:49:31,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:49:31,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:31,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:49:31,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:49:31,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:31" (1/1) ... [2019-09-21 09:49:31,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:31, skipping insertion in model container [2019-09-21 09:49:31,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:31" (1/1) ... [2019-09-21 09:49:31,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:49:31,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:49:32,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:32,213 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:49:32,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:32,251 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:49:32,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32 WrapperNode [2019-09-21 09:49:32,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:32,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:49:32,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:49:32,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:49:32,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:49:32,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:49:32,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:49:32,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:49:32,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:32" (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 09:49:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:49:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:49:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:49:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:49:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:49:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:49:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:49:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:49:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:49:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:49:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:49:32,759 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:49:32,759 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:49:32,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:32 BoogieIcfgContainer [2019-09-21 09:49:32,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:49:32,762 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:49:32,762 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:49:32,762 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:49:32,764 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:32" (1/1) ... [2019-09-21 09:49:32,765 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 09:49:32,803 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:49:32,803 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:49:32,817 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:49:32,838 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:49:32,841 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:49:32,981 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:49:33,817 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-21 09:49:34,232 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 275 [2019-09-21 09:49:34,357 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-09-21 09:49:34,534 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2019-09-21 09:49:34,691 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2019-09-21 09:49:34,822 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2019-09-21 09:49:35,046 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 321 [2019-09-21 09:49:35,379 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 470 [2019-09-21 09:49:35,657 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-09-21 09:49:36,076 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-21 09:49:36,418 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-21 09:49:36,696 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-21 09:49:37,206 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 566 [2019-09-21 09:49:37,755 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 752 [2019-09-21 09:49:38,215 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 752 [2019-09-21 09:49:39,421 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 744 [2019-09-21 09:49:40,415 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2019-09-21 09:49:41,245 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2019-09-21 09:49:42,496 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 1011 [2019-09-21 09:49:43,856 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-09-21 09:49:45,164 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-09-21 09:49:48,417 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1339 DAG size of output: 1328 [2019-09-21 09:49:51,071 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 1906 [2019-09-21 09:49:53,862 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 1906 [2019-09-21 09:49:58,923 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1905 [2019-09-21 09:50:03,380 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 2155 [2019-09-21 09:50:07,525 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 2155 [2019-09-21 09:50:13,170 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6629 conjuctions. This might take some time...