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_8.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:21:40,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:21:40,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:21:40,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:21:40,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:21:40,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:21:40,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:21:40,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:21:40,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:21:40,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:21:40,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:21:40,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:21:40,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:21:40,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:21:40,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:21:40,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:21:40,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:21:40,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:21:40,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:21:40,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:21:40,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:21:40,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:21:40,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:21:40,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:21:40,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:21:40,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:21:40,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:21:40,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:21:40,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:21:40,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:21:40,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:21:40,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:21:40,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:21:40,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:21:40,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:21:40,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:21:40,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:21:40,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:21:40,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:21:40,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:21:40,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:21:40,917 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 20:21:40,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:21:40,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:21:40,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:21:40,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:21:40,941 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:21:40,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:21:40,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:21:40,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:21:40,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:21:40,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:21:40,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:21:40,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:21:40,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:21:40,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:21:40,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:21:40,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:21:40,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:21:40,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:21:40,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:21:40,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:21:40,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:21:40,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:21:40,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:21:40,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:21:40,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:21:40,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:21:40,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:21:40,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:21:40,947 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 20:21:41,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:21:41,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:21:41,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:21:41,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:21:41,028 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:21:41,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_8.c [2019-09-20 20:21:41,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa48fff1/3eca9d3448fb40d09c1fbf6086566438/FLAGb6e2a39f7 [2019-09-20 20:21:41,538 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:21:41,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_8.c [2019-09-20 20:21:41,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa48fff1/3eca9d3448fb40d09c1fbf6086566438/FLAGb6e2a39f7 [2019-09-20 20:21:41,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa48fff1/3eca9d3448fb40d09c1fbf6086566438 [2019-09-20 20:21:41,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:21:41,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:21:41,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:21:41,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:21:41,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:21:41,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:21:41" (1/1) ... [2019-09-20 20:21:41,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a2888d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:41, skipping insertion in model container [2019-09-20 20:21:41,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:21:41" (1/1) ... [2019-09-20 20:21:41,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:21:41,934 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:21:42,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:21:42,130 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:21:42,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:21:42,165 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:21:42,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42 WrapperNode [2019-09-20 20:21:42,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:21:42,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:21:42,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:21:42,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:21:42,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:21:42,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:21:42,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:21:42,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:21:42,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:21:42" (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 20:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:21:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:21:42,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:21:42,791 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 20:21:42,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:21:42 BoogieIcfgContainer [2019-09-20 20:21:42,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:21:42,793 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:21:42,793 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:21:42,794 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:21:42,795 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:21:42" (1/1) ... [2019-09-20 20:21:42,795 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 20:21:42,823 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:21:42,824 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:21:42,832 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:21:42,841 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:21:42,842 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:21:42,889 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 20:21:43,695 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 20:21:43,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 20:21:45,292 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:21:45,578 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:21:45,894 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:21:46,263 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:21:46,387 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:46,774 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:46,951 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:47,225 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:47,537 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:47,973 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-09-20 20:21:48,117 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:48,366 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:48,743 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:49,193 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:49,628 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:49,820 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:50,229 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2019-09-20 20:21:50,640 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2019-09-20 20:21:51,750 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:52,174 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:52,683 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:21:52,967 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:21:53,263 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:21:53,587 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:21:54,015 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:54,179 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:54,467 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:54,770 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:55,201 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:55,847 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:56,275 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:56,717 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:56,881 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:21:57,260 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:57,654 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:21:58,114 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:58,383 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:21:58,795 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:59,210 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:21:59,686 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:21:59,950 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:22:00,237 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:00,548 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:00,937 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:01,103 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:01,504 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:01,899 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:02,962 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:03,378 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:03,821 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:04,000 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:04,306 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:04,608 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:05,672 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:06,123 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:06,626 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:22:06,914 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:22:07,239 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:07,547 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:07,943 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:08,108 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:08,548 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2019-09-20 20:22:08,963 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2019-09-20 20:22:10,014 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:10,452 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:10,934 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:11,110 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:11,503 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:11,901 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2019-09-20 20:22:12,947 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:13,376 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:13,831 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:22:14,098 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-20 20:22:14,401 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:14,714 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2019-09-20 20:22:15,701 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:15,873 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:16,177 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-09-20 20:22:16,482 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-09-20 20:22:17,177 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:22:17,552 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:17,963 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:18,637 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-20 20:22:19,066 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-20 20:22:19,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 20:22:19,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 20:22:19,792 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 20:22:20,193 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:20,624 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:21,362 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-20 20:22:21,791 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-20 20:22:21,886 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 20:22:21,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 20:22:22,861 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:23,274 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-20 20:22:23,513 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:23,690 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 20:22:23,972 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-09-20 20:22:24,275 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-09-20 20:22:25,313 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70