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_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:48:39,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:48:39,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:48:39,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:48:39,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:48:39,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:48:39,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:48:39,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:48:39,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:48:39,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:48:39,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:48:39,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:48:39,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:48:39,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:48:39,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:48:39,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:48:39,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:48:39,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:48:39,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:48:39,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:48:39,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:48:39,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:48:39,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:48:39,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:48:39,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:48:39,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:48:39,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:48:39,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:48:39,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:48:39,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:48:39,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:48:39,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:48:39,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:48:39,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:48:39,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:48:39,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:48:39,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:48:39,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:48:39,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:48:39,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:48:39,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:48:39,478 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 [2019-09-21 09:48:39,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:48:39,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:48:39,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:48:39,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:48:39,496 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:48:39,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:48:39,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:48:39,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:48:39,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:48:39,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:48:39,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:48:39,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:48:39,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:48:39,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:48:39,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:48:39,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:48:39,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:48:39,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:48:39,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:48:39,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:48:39,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:48:39,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:39,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:48:39,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:48:39,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:48:39,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:48:39,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:48:39,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:48:39,504 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_QUICK [2019-09-21 09:48:39,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:48:39,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:48:39,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:48:39,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:48:39,574 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:48:39,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2019-09-21 09:48:39,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896ac8e2e/2c29c67625464857a366921b41727c8d/FLAGc7afae171 [2019-09-21 09:48:40,117 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:48:40,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2019-09-21 09:48:40,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896ac8e2e/2c29c67625464857a366921b41727c8d/FLAGc7afae171 [2019-09-21 09:48:40,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896ac8e2e/2c29c67625464857a366921b41727c8d [2019-09-21 09:48:40,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:48:40,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:48:40,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:40,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:48:40,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:48:40,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6487c26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40, skipping insertion in model container [2019-09-21 09:48:40,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:48:40,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:48:40,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:40,797 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:48:40,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:40,964 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:48:40,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40 WrapperNode [2019-09-21 09:48:40,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:40,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:48:40,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:48:40,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:48:40,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:40,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:41,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:41,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (1/1) ... [2019-09-21 09:48:41,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:48:41,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:48:41,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:48:41,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:48:41,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:40" (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 [2019-09-21 09:48:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:48:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:48:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:48:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:48:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:48:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:48:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:48:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:48:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:48:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:48:41,607 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:48:41,607 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:48:41,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:41 BoogieIcfgContainer [2019-09-21 09:48:41,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:48:41,611 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:48:41,612 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:48:41,612 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:48:41,613 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:41" (1/1) ... [2019-09-21 09:48:41,616 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:48:41,641 INFO L162 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-09-21 09:48:41,642 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:41,651 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:41,660 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:41,661 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:41,791 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-21 09:48:42,335 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:48:42,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:48:44,136 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:45,253 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:45,575 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:45,873 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:46,175 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:46,529 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:46,826 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:47,131 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:47,446 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:47,752 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-09-21 09:48:48,864 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2019-09-21 09:48:49,062 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:48:49,237 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2019-09-21 09:48:49,442 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:48:49,619 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2019-09-21 09:48:49,724 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-09-21 09:48:50,484 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2019-09-21 09:48:54,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-21 09:48:59,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-21 09:49:05,823 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 331 [2019-09-21 09:49:05,973 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-09-21 09:49:06,221 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 336 [2019-09-21 09:49:06,370 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-09-21 09:49:06,490 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-09-21 09:49:06,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:49:07,725 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 343 [2019-09-21 09:49:07,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:49:08,267 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 09:49:08,345 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14400 conjuctions. This might take some time...