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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/locks/test_locks_12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:21:20,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:21:20,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:21:20,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:21:20,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:21:20,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:21:20,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:21:20,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:21:20,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:21:20,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:21:20,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:21:20,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:21:20,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:21:20,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:21:20,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:21:20,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:21:20,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:21:20,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:21:20,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:21:20,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:21:20,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:21:20,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:21:20,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:21:20,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:21:20,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 20:21:20,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:21:20,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:21:20,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:21:20,802 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 20:21:20,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:21:20,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:21:20,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:21:20,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:21:20,818 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:21:20,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:21:20,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:21:20,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:21:20,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:21:20,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:21:20,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:21:20,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:21:20,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:21:20,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:21:20,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:21:20,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:21:20,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:21:20,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:21:20,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:21:20,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:21:20,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:21:20,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:21:20,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:21:20,823 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 -> ReUseSupersetCallSummarizer 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 20:21:20,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:21:20,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:21:20,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:21:20,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:21:20,870 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:21:20,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_12.c [2019-09-20 20:21:20,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1538ebe5f/ce99089414274ffc8a3286da9ae204ab/FLAG3d74e5e1e [2019-09-20 20:21:21,419 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:21:21,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_12.c [2019-09-20 20:21:21,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1538ebe5f/ce99089414274ffc8a3286da9ae204ab/FLAG3d74e5e1e [2019-09-20 20:21:21,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1538ebe5f/ce99089414274ffc8a3286da9ae204ab [2019-09-20 20:21:21,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:21:21,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:21:21,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:21:21,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:21:21,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:21:21,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:21:21" (1/1) ... [2019-09-20 20:21:21,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@999c6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:21, skipping insertion in model container [2019-09-20 20:21:21,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:21:21" (1/1) ... [2019-09-20 20:21:21,771 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:21:21,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:21:21,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:21:21,998 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:21:22,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:21:22,035 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:21:22,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22 WrapperNode [2019-09-20 20:21:22,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:21:22,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:21:22,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:21:22,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:21:22,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:21:22,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:21:22,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:21:22,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:21:22,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:22" (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 20:21:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:21:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:21:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:21:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:21:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:21:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:21:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:21:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:21:22,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:21:22,844 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 20:21:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:21:22 BoogieIcfgContainer [2019-09-20 20:21:22,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:21:22,846 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:21:22,846 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:21:22,846 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:21:22,848 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:21:22" (1/1) ... [2019-09-20 20:21:22,848 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:21:22,873 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:21:22,874 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:21:22,880 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:21:22,890 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:21:22,892 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:21:22,940 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 20:21:23,163 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:28,714 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 20:21:28,893 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 20:21:29,083 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 20:21:30,019 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 20:21:30,212 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 20:21:30,383 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 20:21:30,745 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-20 20:21:31,621 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 20:21:32,041 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 20:21:32,245 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2019-09-20 20:21:32,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:37,416 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 20:21:37,964 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:38,174 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 20:21:38,334 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 20:21:39,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:43,197 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:44,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:46,575 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 20:21:46,769 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 20:21:47,583 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-20 20:21:47,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:49,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:51,798 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 20:21:52,017 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-20 20:21:52,277 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 20:21:52,455 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 20:21:52,884 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 20:21:53,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:21:56,019 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 20:21:56,173 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 20:21:56,349 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 20:21:56,522 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 20:21:58,447 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 20:21:59,829 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:22:01,436 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:22:03,675 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 20:22:03,866 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 20:22:04,083 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:22:04,256 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:22:04,453 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 20:22:04,582 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 20:22:05,456 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-20 20:22:07,008 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12