/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:15:55,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:15:55,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:15:55,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:15:55,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:15:55,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:15:55,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:15:55,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:15:55,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:15:55,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:15:55,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:15:55,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:15:55,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:15:55,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:15:55,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:15:55,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:15:55,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:15:55,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:15:55,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:15:55,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:15:55,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:15:55,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:15:55,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:15:55,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:15:55,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:15:55,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:15:55,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:15:55,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:15:55,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:15:55,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:15:55,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:15:55,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:15:55,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:15:55,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:15:55,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:15:55,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:15:55,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:15:55,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:15:55,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:15:55,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:15:55,176 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:15:55,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:15:55,177 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:15:55,177 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:15:55,177 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:15:55,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:15:55,177 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:15:55,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:15:55,178 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:15:55,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:15:55,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:15:55,179 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:15:55,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:15:55,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:15:55,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:15:55,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:15:55,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:15:55,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:15:55,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:15:55,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:15:55,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:15:55,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:15:55,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:15:55,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:15:55,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:15:55,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:15:55,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:15:55,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:15:55,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:15:55,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:15:55,186 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:15:55,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:15:55,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:15:55,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:15:55,188 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:15:55,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:15:55,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:15:55,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:15:55,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:15:55,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:15:55,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-11-24 16:15:55,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5402a4d06/44247e93c29347aab39a9c0c7d291e90/FLAG06cab1c1a [2019-11-24 16:15:56,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:15:56,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-11-24 16:15:56,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5402a4d06/44247e93c29347aab39a9c0c7d291e90/FLAG06cab1c1a [2019-11-24 16:15:56,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5402a4d06/44247e93c29347aab39a9c0c7d291e90 [2019-11-24 16:15:56,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:15:56,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:15:56,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:15:56,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:15:56,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:15:56,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:56" (1/1) ... [2019-11-24 16:15:56,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ceec5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:56, skipping insertion in model container [2019-11-24 16:15:56,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:56" (1/1) ... [2019-11-24 16:15:56,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:15:56,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:15:56,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:15:56,952 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:15:57,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:15:57,071 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:15:57,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57 WrapperNode [2019-11-24 16:15:57,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:15:57,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:15:57,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:15:57,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:15:57,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:15:57,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:15:57,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:15:57,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:15:57,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:15:57,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:15:57,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:15:57,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:15:57,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:57" (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 [2019-11-24 16:15:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:15:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:15:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:15:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:15:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:15:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:15:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:15:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:15:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:15:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:15:57,927 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:15:57,928 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-24 16:15:57,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:57 BoogieIcfgContainer [2019-11-24 16:15:57,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:15:57,930 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:15:57,930 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:15:57,931 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:15:57,932 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:57" (1/1) ... [2019-11-24 16:15:57,933 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:15:57,958 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:15:57,959 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:15:57,966 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:15:57,973 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:15:57,975 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:15:58,345 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:58,862 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:59,249 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:59,346 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:15:59,614 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:00,062 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:00,505 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2019-11-24 16:16:00,683 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-24 16:16:00,795 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-24 16:16:00,902 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-24 16:16:01,706 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-24 16:16:02,272 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2019-11-24 16:16:02,308 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,343 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,964 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,993 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:03,017 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:03,408 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-11-24 16:16:03,769 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-11-24 16:16:03,906 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:04,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 16:16:04,398 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-11-24 16:16:05,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 16:16:05,987 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-11-24 16:16:08,223 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 228 [2019-11-24 16:16:08,569 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 292 [2019-11-24 16:16:08,990 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 284 [2019-11-24 16:16:09,425 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 401 [2019-11-24 16:16:10,228 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 390 [2019-11-24 16:16:10,980 WARN L192 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 560 [2019-11-24 16:16:12,290 WARN L192 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 561 [2019-11-24 16:16:15,041 WARN L192 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1040 DAG size of output: 1008 [2019-11-24 16:16:19,363 WARN L192 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1004 DAG size of output: 1004 [2019-11-24 16:16:32,155 WARN L192 SmtUtils]: Spent 11.30 s on a formula simplification. DAG size of input: 2283 DAG size of output: 2255 [2019-11-24 16:16:53,383 WARN L192 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 2244 DAG size of output: 2243