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_DDA -i ../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:12,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:12,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:12,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:12,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:12,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:12,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:12,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:12,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:12,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:12,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:12,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:12,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:12,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:12,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:12,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:12,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:12,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:12,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:12,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:12,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:12,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:12,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:12,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:12,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 17:23:12,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:12,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:12,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:12,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:12,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:12,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:12,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:12,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:12,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:12,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:12,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:12,169 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 17:23:12,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:12,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:12,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:12,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:12,186 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:12,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:12,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:12,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:12,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:12,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:12,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:12,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:12,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:12,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:12,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:12,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:12,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:12,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:12,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:12,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:12,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:12,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:12,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:12,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:12,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:12,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:12,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:12,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:12,191 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_DDA [2019-09-20 17:23:12,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:12,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:12,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:12,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:12,241 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:12,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-20 17:23:12,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47242e93f/607c20950b924cf3b912895f8d51861c/FLAGa6dfcf682 [2019-09-20 17:23:12,806 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:12,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-20 17:23:12,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47242e93f/607c20950b924cf3b912895f8d51861c/FLAGa6dfcf682 [2019-09-20 17:23:13,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47242e93f/607c20950b924cf3b912895f8d51861c [2019-09-20 17:23:13,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:13,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:13,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:13,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:13,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:13,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c03b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13, skipping insertion in model container [2019-09-20 17:23:13,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:13,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:13,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:13,443 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:13,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:13,589 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:13,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13 WrapperNode [2019-09-20 17:23:13,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:13,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:13,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:13,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:13,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (1/1) ... [2019-09-20 17:23:13,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:13,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:13,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:13,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:13,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:13" (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 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2019-09-20 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2019-09-20 17:23:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:23:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2019-09-20 17:23:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:23:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:14,298 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:14,299 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-20 17:23:14,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:14 BoogieIcfgContainer [2019-09-20 17:23:14,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:14,301 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:14,301 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:14,301 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:14,302 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:14" (1/1) ... [2019-09-20 17:23:14,302 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:23:14,327 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:14,328 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:14,340 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:14,349 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:14,350 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:14,554 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:23:16,618 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:23:18,093 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 17:23:18,631 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 84 [2019-09-20 17:23:20,803 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 191 DAG size of output: 113 [2019-09-20 17:23:21,081 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 17:23:25,298 WARN L191 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 309 DAG size of output: 139 [2019-09-20 17:23:26,016 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 17:23:26,234 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-20 17:23:26,617 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 17:23:26,868 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 17:23:27,472 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 17:23:27,660 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 17:23:27,982 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 17:23:28,150 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 17:23:30,675 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-09-20 17:23:32,598 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-20 17:23:32,776 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 17:23:33,282 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 17:23:34,744 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 17:23:34,849 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-20 17:23:35,003 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 17:23:35,247 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-09-20 17:23:35,695 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 17:23:35,908 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 17:23:36,041 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-20 17:23:36,284 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-20 17:23:36,455 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 17:23:36,689 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 17:23:36,992 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2019-09-20 17:23:37,325 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-20 17:23:37,525 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-20 17:23:37,816 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-20 17:23:38,189 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-20 17:23:40,382 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-20 17:23:40,574 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 17:23:40,678 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-09-20 17:23:40,932 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 17:23:41,149 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 17:23:41,290 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-20 17:23:41,524 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-20 17:23:41,700 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-20 17:23:41,974 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 17:23:42,296 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2019-09-20 17:23:42,412 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 17:23:42,691 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-20 17:23:42,959 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 17:23:43,293 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 17:23:43,680 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-20 17:23:45,759 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-20 17:23:46,038 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 17:23:46,243 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 17:23:46,385 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 17:23:46,586 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 17:23:46,726 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-20 17:23:49,458 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:23:49,644 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-20 17:23:49,999 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 17:23:50,254 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:23:50,420 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-20 17:23:50,663 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:23:50,845 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-09-20 17:23:51,906 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-20 17:23:52,716 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-09-20 17:23:54,278 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78