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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:22:43,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:22:43,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:22:43,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:22:43,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:22:43,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:22:43,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:22:43,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:22:43,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:22:43,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:22:43,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:22:43,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:22:43,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:22:43,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:22:43,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:22:43,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:22:43,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:22:43,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:22:43,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:22:43,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:22:43,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:22:43,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:22:43,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:22:43,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:22:43,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:22:43,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:22:43,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:22:43,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:22:43,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:22:43,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:22:43,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:22:43,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:22:43,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:22:43,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:22:43,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:22:43,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:22:43,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:22:43,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:22:43,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:22:43,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:22:43,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:22:43,413 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 19:22:43,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:22:43,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:22:43,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:22:43,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:22:43,428 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:22:43,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:22:43,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:22:43,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:22:43,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:22:43,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:22:43,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:22:43,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:22:43,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:22:43,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:22:43,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:22:43,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:22:43,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:22:43,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:22:43,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:22:43,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:22:43,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:22:43,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:22:43,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:22:43,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:22:43,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:22:43,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:22:43,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:22:43,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:22:43,434 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 -> SingleStatement 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 19:22:43,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:22:43,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:22:43,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:22:43,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:22:43,491 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:22:43,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2019-09-20 19:22:43,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6688865/6f4da8cabe9946828efb66603ade65e8/FLAG3f66a0bea [2019-09-20 19:22:44,007 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:22:44,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2019-09-20 19:22:44,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6688865/6f4da8cabe9946828efb66603ade65e8/FLAG3f66a0bea [2019-09-20 19:22:44,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6688865/6f4da8cabe9946828efb66603ade65e8 [2019-09-20 19:22:44,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:22:44,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:22:44,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:44,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:22:44,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:22:44,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329dc61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44, skipping insertion in model container [2019-09-20 19:22:44,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:22:44,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:22:44,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:44,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:22:44,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:44,902 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:22:44,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44 WrapperNode [2019-09-20 19:22:44,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:44,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:22:44,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:22:44,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:22:44,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (1/1) ... [2019-09-20 19:22:44,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:22:44,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:22:44,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:22:44,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:22:44,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:44" (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 19:22:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:22:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:22:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:22:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:22:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:22:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:22:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:22:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:22:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:22:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:22:45,522 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:22:45,523 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:22:45,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:45 BoogieIcfgContainer [2019-09-20 19:22:45,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:22:45,525 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:22:45,525 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:22:45,525 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:22:45,527 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:45" (1/1) ... [2019-09-20 19:22:45,527 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:22:45,556 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-20 19:22:45,556 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:22:45,582 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:22:45,592 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:22:45,594 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:22:45,686 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 19:22:46,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:22:46,169 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:22:46,419 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2019-09-20 19:22:46,638 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-20 19:22:46,982 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 19:22:47,125 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 19:22:47,295 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 19:22:47,739 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-20 19:22:47,888 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:22:48,381 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-09-20 19:22:48,603 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:22:48,665 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:22:48,868 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2019-09-20 19:22:49,367 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 19:22:49,515 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 19:22:49,668 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 19:22:50,047 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-20 19:22:50,212 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:22:50,255 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:22:50,264 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:22:51,003 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:51,288 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:51,919 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:52,206 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:52,804 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:53,093 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:53,732 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:54,018 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:54,656 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:54,954 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:55,562 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:55,841 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:56,451 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:56,744 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:57,377 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:57,679 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:58,354 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:58,669 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:22:59,326 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:22:59,630 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:00,257 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:00,545 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:01,142 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:01,440 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:02,045 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:02,331 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:02,939 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:03,229 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:03,838 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:04,118 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:04,744 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:05,034 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:05,655 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:05,938 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:06,537 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:06,822 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:07,423 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:07,708 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:08,307 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:08,596 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:09,221 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:09,505 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:10,105 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2019-09-20 19:23:10,396 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:11,088 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:11,379 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:12,006 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:12,315 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:12,933 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:13,244 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:13,885 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:14,184 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:14,793 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:15,100 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:15,721 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:16,020 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:16,636 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:16,940 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:17,550 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:17,836 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:18,429 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:18,715 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:19,315 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:19,600 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:20,205 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:20,503 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:21,138 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:21,445 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:22,077 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:22,381 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:23,009 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:23,313 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:23,937 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:24,241 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:24,889 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:25,196 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:25,824 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:26,127 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:26,750 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:27,051 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:27,671 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:27,978 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:28,606 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:28,908 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:23:29,542 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2019-09-20 19:23:29,842 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 120