/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:22:19,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:22:19,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:22:19,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:22:19,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:22:19,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:22:19,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:22:19,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:22:19,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:22:19,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:22:19,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:22:19,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:22:19,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:22:19,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:22:19,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:22:19,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:22:19,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:22:19,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:22:19,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:22:19,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:22:19,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:22:19,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:22:19,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:22:19,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:22:19,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-23 23:22:19,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-23 23:22:19,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-23 23:22:19,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-23 23:22:19,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-23 23:22:19,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-23 23:22:19,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 23:22:19,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 23:22:19,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 23:22:19,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 23:22:19,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 23:22:19,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 23:22:19,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 23:22:19,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 23:22:19,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:22:19,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:22:19,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:22:19,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:22:19,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:22:19,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:22:19,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:22:19,253 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:22:19,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:22:19,254 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:22:19,254 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:22:19,254 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:22:19,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:22:19,254 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:22:19,255 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:22:19,255 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:22:19,255 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:22:19,255 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:22:19,255 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:22:19,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:22:19,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:22:19,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:22:19,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:22:19,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:22:19,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:22:19,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:22:19,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:22:19,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:22:19,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:22:19,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:22:19,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:22:19,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:22:19,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:22:19,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:22:19,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:22:19,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:22:19,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:22:19,261 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:22:19,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:22:19,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:22:19,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:22:19,261 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:22:19,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:22:19,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:22:19,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:22:19,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:22:19,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:22:19,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2019-11-23 23:22:19,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13745947/8e1775f79dc241e8a2a7b8bd99618300/FLAGd322f925f [2019-11-23 23:22:20,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:22:20,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2019-11-23 23:22:20,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13745947/8e1775f79dc241e8a2a7b8bd99618300/FLAGd322f925f [2019-11-23 23:22:20,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13745947/8e1775f79dc241e8a2a7b8bd99618300 [2019-11-23 23:22:20,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:22:20,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:22:20,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:22:20,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:22:20,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:22:20,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee337c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20, skipping insertion in model container [2019-11-23 23:22:20,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:22:20,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:22:20,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:22:20,716 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:22:20,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:22:20,763 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:22:20,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20 WrapperNode [2019-11-23 23:22:20,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:22:20,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:22:20,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:22:20,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:22:20,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:22:20,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:22:20,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:22:20,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:22:20,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (1/1) ... [2019-11-23 23:22:20,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:22:20,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:22:20,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:22:20,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:22:20,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (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 [2019-11-23 23:22:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:22:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:22:20,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:22:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:22:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:22:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:22:21,380 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:22:21,380 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-23 23:22:21,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:21 BoogieIcfgContainer [2019-11-23 23:22:21,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:22:21,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:22:21,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:22:21,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:22:21,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:22:20" (1/3) ... [2019-11-23 23:22:21,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38106f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:21, skipping insertion in model container [2019-11-23 23:22:21,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:20" (2/3) ... [2019-11-23 23:22:21,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38106f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:21, skipping insertion in model container [2019-11-23 23:22:21,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:21" (3/3) ... [2019-11-23 23:22:21,389 INFO L109 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2019-11-23 23:22:21,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:22:21,406 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:22:21,418 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:22:21,441 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:22:21,441 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:22:21,441 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:22:21,441 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:22:21,442 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:22:21,442 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:22:21,442 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:22:21,442 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:22:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-23 23:22:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-23 23:22:21,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:21,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:21,460 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:21,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:21,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1205449105, now seen corresponding path program 1 times [2019-11-23 23:22:21,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:21,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287118075] [2019-11-23 23:22:21,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:21,540 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:21,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329581999] [2019-11-23 23:22:21,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:21,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:22:21,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:22:21,666 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:22:21,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287118075] [2019-11-23 23:22:21,682 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:21,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329581999] [2019-11-23 23:22:21,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:22:21,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-23 23:22:21,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461072258] [2019-11-23 23:22:21,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:22:21,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:21,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:22:21,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:22:21,710 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2019-11-23 23:22:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:21,791 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2019-11-23 23:22:21,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:22:21,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-23 23:22:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:21,803 INFO L225 Difference]: With dead ends: 24 [2019-11-23 23:22:21,804 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 23:22:21,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:22:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 23:22:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-23 23:22:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-23 23:22:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2019-11-23 23:22:21,845 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2019-11-23 23:22:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:21,846 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2019-11-23 23:22:21,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:22:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-11-23 23:22:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 23:22:21,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:21,847 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:22,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:22,052 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1259279715, now seen corresponding path program 1 times [2019-11-23 23:22:22,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:22,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550005285] [2019-11-23 23:22:22,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:22,058 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:22,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173578238] [2019-11-23 23:22:22,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:22,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:22:22,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:22:22,137 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:22:22,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550005285] [2019-11-23 23:22:22,160 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:22,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173578238] [2019-11-23 23:22:22,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:22:22,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:22:22,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113232022] [2019-11-23 23:22:22,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:22:22,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:22,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:22:22,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:22:22,164 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand 6 states. [2019-11-23 23:22:22,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:22,290 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2019-11-23 23:22:22,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:22:22,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-23 23:22:22,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:22,293 INFO L225 Difference]: With dead ends: 39 [2019-11-23 23:22:22,293 INFO L226 Difference]: Without dead ends: 28 [2019-11-23 23:22:22,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-23 23:22:22,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-23 23:22:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2019-11-23 23:22:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-23 23:22:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-23 23:22:22,312 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 11 [2019-11-23 23:22:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:22,313 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-23 23:22:22,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:22:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-23 23:22:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 23:22:22,314 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:22,314 INFO L410 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:22,529 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:22,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:22,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1465878429, now seen corresponding path program 1 times [2019-11-23 23:22:22,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:22,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507072589] [2019-11-23 23:22:22,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:22,537 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:22,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737458727] [2019-11-23 23:22:22,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:22,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-23 23:22:22,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 23:22:22,651 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 23:22:22,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507072589] [2019-11-23 23:22:22,693 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:22,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737458727] [2019-11-23 23:22:22,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [913118454] [2019-11-23 23:22:22,727 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:22:22,728 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:22:22,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:22:22,751 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:22:22,751 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:22:23,341 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:23,802 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-11-23 23:22:23,870 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:23,884 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,022 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,042 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,228 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2019-11-23 23:22:24,344 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2019-11-23 23:22:24,541 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 167 [2019-11-23 23:22:24,686 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-23 23:22:24,790 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,809 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,863 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:24,921 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:25,012 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:25,054 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:25,090 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:25,277 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 195 [2019-11-23 23:22:25,417 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 195 [2019-11-23 23:22:25,524 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-23 23:22:25,686 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 207 [2019-11-23 23:22:25,870 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2019-11-23 23:22:26,051 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2019-11-23 23:22:26,199 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2019-11-23 23:22:26,380 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2019-11-23 23:22:26,530 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2019-11-23 23:22:26,721 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2019-11-23 23:22:26,864 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 221 [2019-11-23 23:22:27,033 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2019-11-23 23:22:27,150 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 226 [2019-11-23 23:22:27,252 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,364 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,492 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,548 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,603 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,624 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,749 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,770 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,791 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,811 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,829 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,848 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,869 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,891 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:27,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:28,425 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-23 23:22:28,550 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-11-23 23:22:28,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-23 23:22:28,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2019-11-23 23:22:28,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411825830] [2019-11-23 23:22:28,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 23:22:28,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:28,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 23:22:28,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-23 23:22:28,578 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 5 states. [2019-11-23 23:22:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:28,744 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2019-11-23 23:22:28,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 23:22:28,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-23 23:22:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:28,746 INFO L225 Difference]: With dead ends: 43 [2019-11-23 23:22:28,747 INFO L226 Difference]: Without dead ends: 32 [2019-11-23 23:22:28,748 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-11-23 23:22:28,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-23 23:22:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-11-23 23:22:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-23 23:22:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2019-11-23 23:22:28,754 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 15 [2019-11-23 23:22:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:28,754 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2019-11-23 23:22:28,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 23:22:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-23 23:22:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 23:22:28,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:28,755 INFO L410 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:28,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:28,958 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:28,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:28,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1925110405, now seen corresponding path program 1 times [2019-11-23 23:22:28,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:28,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659371833] [2019-11-23 23:22:28,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:28,965 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:28,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306251955] [2019-11-23 23:22:28,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:22:29,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-23 23:22:29,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:22:29,041 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:22:29,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659371833] [2019-11-23 23:22:29,068 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:29,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306251955] [2019-11-23 23:22:29,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [189257759] [2019-11-23 23:22:29,069 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-23 23:22:29,070 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:22:29,070 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:22:29,070 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:22:29,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:22:29,282 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:29,616 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:29,629 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:29,640 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:29,710 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,195 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,299 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,350 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,363 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,411 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,443 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,455 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:30,615 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 195 [2019-11-23 23:22:30,723 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 195 [2019-11-23 23:22:30,942 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 207 [2019-11-23 23:22:31,098 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2019-11-23 23:22:31,326 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2019-11-23 23:22:31,595 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 210 [2019-11-23 23:22:31,719 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:31,790 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:31,877 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:31,901 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:31,973 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:31,993 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,013 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,035 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,116 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,190 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,207 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,251 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,597 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,736 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-23 23:22:32,843 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:32,979 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-23 23:22:33,309 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:33,629 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:33,642 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:33,936 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:33,972 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:34,285 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-23 23:22:34,300 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:34,485 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-23 23:22:34,612 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-11-23 23:22:34,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,714 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,718 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,735 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:34,883 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:35,156 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:35,176 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:35,495 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-23 23:22:35,849 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:36,258 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:36,272 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:36,360 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:36,652 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-23 23:22:36,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,774 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:36,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:37,228 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:37,566 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:37,578 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:37,822 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:37,834 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:38,147 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-23 23:22:38,601 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-23 23:22:38,618 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:38,627 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:38,831 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:38,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:39,076 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:39,485 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:39,774 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-23 23:22:39,790 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:40,044 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:40,521 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-23 23:22:40,533 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:40,734 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:40,974 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-23 23:22:41,223 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,242 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:41,331 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-23 23:22:41,472 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-11-23 23:22:41,547 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:41,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 23:22:41,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-11-23 23:22:41,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980915072] [2019-11-23 23:22:41,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-23 23:22:41,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:22:41,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-23 23:22:41,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-11-23 23:22:41,549 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand 10 states. [2019-11-23 23:22:41,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:22:41,699 INFO L93 Difference]: Finished difference Result 80 states and 108 transitions. [2019-11-23 23:22:41,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 23:22:41,700 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-23 23:22:41,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:22:41,701 INFO L225 Difference]: With dead ends: 80 [2019-11-23 23:22:41,701 INFO L226 Difference]: Without dead ends: 60 [2019-11-23 23:22:41,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2019-11-23 23:22:41,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-23 23:22:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2019-11-23 23:22:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-23 23:22:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2019-11-23 23:22:41,717 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 19 [2019-11-23 23:22:41,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:22:41,717 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2019-11-23 23:22:41,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-23 23:22:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2019-11-23 23:22:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-23 23:22:41,718 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:22:41,719 INFO L410 BasicCegarLoop]: trace histogram [12, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:22:41,923 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:41,924 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:22:41,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:22:41,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1485831419, now seen corresponding path program 2 times [2019-11-23 23:22:41,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:22:41,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416915098] [2019-11-23 23:22:41,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:22:41,929 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:22:41,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755964860] [2019-11-23 23:22:41,929 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:22:41,966 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-23 23:22:41,966 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 23:22:41,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-23 23:22:41,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:22:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-23 23:22:41,993 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:22:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-23 23:22:42,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416915098] [2019-11-23 23:22:42,013 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:22:42,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755964860] [2019-11-23 23:22:42,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [891290361] [2019-11-23 23:22:42,017 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-23 23:22:42,018 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:22:42,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:22:42,018 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:22:42,018 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:22:42,167 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,323 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,335 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,348 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,787 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,797 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,813 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,858 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,890 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,901 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,923 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,935 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:42,945 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,160 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2019-11-23 23:22:43,560 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,698 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,725 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,747 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,768 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,795 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,887 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:43,910 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:44,009 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:44,140 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:44,189 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:44,290 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-23 23:22:44,525 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 236 [2019-11-23 23:22:44,659 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 236 [2019-11-23 23:22:44,763 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2019-11-23 23:22:45,022 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,038 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,085 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,157 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,245 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,273 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,313 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,337 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,436 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,538 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,559 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:45,765 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-23 23:22:46,042 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 241 [2019-11-23 23:22:46,276 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 241 [2019-11-23 23:22:46,410 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2019-11-23 23:22:46,556 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2019-11-23 23:22:46,730 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,836 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,849 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,862 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,948 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,965 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:46,980 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,012 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,070 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,137 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,184 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,202 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:47,610 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 274 [2019-11-23 23:22:47,758 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 259 [2019-11-23 23:22:48,006 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2019-11-23 23:22:48,136 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,187 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,218 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,240 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,254 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,305 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,363 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,401 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,414 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,449 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,494 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,509 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,524 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,656 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,691 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,704 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,748 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:48,939 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 341 [2019-11-23 23:22:49,049 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-11-23 23:22:49,180 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,211 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,308 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,349 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,378 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,415 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,442 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,464 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,486 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,514 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,531 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,556 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,577 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,602 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,619 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,639 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,659 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,682 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,795 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,833 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:49,966 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,008 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,238 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,269 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,307 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,354 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,389 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,426 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,461 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,492 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,524 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,687 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,739 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,762 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,784 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,805 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,875 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,895 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,914 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,950 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,966 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,982 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:50,998 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,311 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-11-23 23:22:51,429 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-11-23 23:22:51,582 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,597 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,616 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,633 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,650 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,665 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,681 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,695 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,713 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,726 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,739 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,752 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,767 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,782 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,799 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,814 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,827 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,871 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,889 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,904 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:51,917 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,017 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,029 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,039 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,053 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,059 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:52,661 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:53,063 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:53,373 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-23 23:22:53,725 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:53,735 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:53,882 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-11-23 23:22:53,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,935 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:53,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:54,374 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:54,384 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:54,641 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:55,036 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-23 23:22:55,171 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-11-23 23:22:55,580 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:55,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,713 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,719 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:55,721 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:56,186 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-23 23:22:56,433 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:56,442 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:56,845 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:57,130 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:57,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,300 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,302 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,304 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:57,776 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:58,042 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:58,052 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:58,351 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:58,721 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-23 23:22:58,995 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:58,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:58,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:58,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:59,002 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:59,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:59,005 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:59,005 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:22:59,053 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:22:59,462 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:22:59,753 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:23:00,061 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-23 23:23:00,522 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-23 23:23:00,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,655 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,657 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,659 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:00,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-23 23:23:11,952 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2019-11-23 23:23:13,283 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-11-23 23:23:13,992 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2019-11-23 23:23:14,094 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 423 [2019-11-23 23:23:14,233 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2019-11-23 23:23:14,337 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 426 [2019-11-23 23:23:14,477 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2019-11-23 23:23:14,581 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 429 [2019-11-23 23:23:14,723 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 434 [2019-11-23 23:23:14,837 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 432 [2019-11-23 23:23:14,979 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2019-11-23 23:23:15,088 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 435 [2019-11-23 23:23:15,234 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2019-11-23 23:23:15,343 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 438 [2019-11-23 23:23:15,491 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2019-11-23 23:23:15,606 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 441 [2019-11-23 23:23:15,755 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-11-23 23:23:15,866 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 444 [2019-11-23 23:23:16,013 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-11-23 23:23:16,126 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 447 [2019-11-23 23:23:16,276 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2019-11-23 23:23:16,399 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 450 [2019-11-23 23:23:16,573 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-11-23 23:23:16,691 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 453 [2019-11-23 23:23:16,843 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 458 [2019-11-23 23:23:16,963 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 456 [2019-11-23 23:23:17,119 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-11-23 23:23:17,239 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-11-23 23:23:17,399 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-23 23:23:17,522 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-11-23 23:23:17,681 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-11-23 23:23:17,806 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 465 [2019-11-23 23:23:17,975 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-11-23 23:23:18,101 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 468 [2019-11-23 23:23:18,265 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2019-11-23 23:23:18,394 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2019-11-23 23:23:18,560 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-23 23:23:18,692 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 474 [2019-11-23 23:23:18,854 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 479 [2019-11-23 23:23:18,983 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-11-23 23:23:19,153 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-11-23 23:23:19,290 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 480 [2019-11-23 23:23:19,457 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2019-11-23 23:23:19,597 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 483 [2019-11-23 23:23:19,769 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-11-23 23:23:19,907 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 486 [2019-11-23 23:23:20,080 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2019-11-23 23:23:20,217 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 489 [2019-11-23 23:23:20,397 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-11-23 23:23:20,538 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 492 [2019-11-23 23:23:20,715 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-11-23 23:23:20,856 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 495 [2019-11-23 23:23:21,034 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-23 23:23:21,184 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 498 [2019-11-23 23:23:21,366 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-11-23 23:23:21,512 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 501 [2019-11-23 23:23:21,696 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-11-23 23:23:21,843 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 504 [2019-11-23 23:23:22,030 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-11-23 23:23:22,180 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 507 [2019-11-23 23:23:22,369 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-11-23 23:23:22,520 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-11-23 23:23:22,709 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-11-23 23:23:22,867 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 513 [2019-11-23 23:23:23,059 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-11-23 23:23:23,216 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 516 [2019-11-23 23:23:23,406 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-11-23 23:23:23,560 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 519 [2019-11-23 23:23:23,756 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-11-23 23:23:23,914 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 522 [2019-11-23 23:23:24,109 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-11-23 23:23:24,269 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2019-11-23 23:23:24,484 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-11-23 23:23:24,646 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 528 [2019-11-23 23:23:24,846 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-11-23 23:23:25,008 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 531 [2019-11-23 23:23:25,211 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-11-23 23:23:25,379 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 534 [2019-11-23 23:23:25,583 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-11-23 23:23:25,753 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 537 [2019-11-23 23:23:25,962 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-11-23 23:23:26,141 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 540 [2019-11-23 23:23:26,349 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-11-23 23:23:26,521 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 543 [2019-11-23 23:23:26,729 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-23 23:23:26,903 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 546 [2019-11-23 23:23:27,118 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-11-23 23:23:27,293 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 549 [2019-11-23 23:23:27,507 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-11-23 23:23:27,684 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-11-23 23:23:27,908 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-11-23 23:23:28,087 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 555 [2019-11-23 23:23:28,307 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-11-23 23:23:28,490 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 558 [2019-11-23 23:23:28,716 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-23 23:23:28,902 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 561 [2019-11-23 23:23:29,123 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-23 23:23:29,308 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 564 [2019-11-23 23:23:29,547 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-11-23 23:23:29,734 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 567 [2019-11-23 23:23:29,961 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-11-23 23:23:30,150 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 570 [2019-11-23 23:23:30,376 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-23 23:23:30,569 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 573 [2019-11-23 23:23:30,798 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-11-23 23:23:30,988 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 576 [2019-11-23 23:23:31,226 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-11-23 23:23:31,426 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 579 [2019-11-23 23:23:31,663 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-11-23 23:23:31,861 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 582 [2019-11-23 23:23:32,100 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-11-23 23:23:32,303 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 585 [2019-11-23 23:23:32,540 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-11-23 23:23:32,741 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 588 [2019-11-23 23:23:32,981 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-11-23 23:23:33,191 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 591 [2019-11-23 23:23:33,433 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-11-23 23:23:33,640 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 594 [2019-11-23 23:23:33,887 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-23 23:23:34,101 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 597 [2019-11-23 23:23:34,347 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-11-23 23:23:34,558 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 600 [2019-11-23 23:23:34,809 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-11-23 23:23:35,027 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 603 [2019-11-23 23:23:35,279 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-11-23 23:23:35,495 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 606 [2019-11-23 23:23:35,749 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-23 23:23:35,969 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 609 [2019-11-23 23:23:36,226 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-11-23 23:23:36,445 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 612 [2019-11-23 23:23:36,707 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-11-23 23:23:36,937 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 615 [2019-11-23 23:23:37,201 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-11-23 23:23:37,424 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 618 [2019-11-23 23:23:37,692 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2019-11-23 23:23:37,919 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 621 [2019-11-23 23:23:38,186 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-11-23 23:23:38,413 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 624 [2019-11-23 23:23:38,690 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-11-23 23:23:38,919 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 627 [2019-11-23 23:23:39,184 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-23 23:23:39,415 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 630 [2019-11-23 23:23:39,693 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-11-23 23:23:39,933 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 633 [2019-11-23 23:23:40,214 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-11-23 23:23:40,462 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 636 [2019-11-23 23:23:40,739 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-11-23 23:23:40,978 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 639 [2019-11-23 23:23:41,260 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-11-23 23:23:41,506 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 642 [2019-11-23 23:23:41,789 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-11-23 23:23:42,033 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 645 [2019-11-23 23:23:42,320 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-11-23 23:23:42,571 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 648 [2019-11-23 23:23:42,856 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-11-23 23:23:43,103 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 651 [2019-11-23 23:23:43,398 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-11-23 23:23:43,647 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 654 [2019-11-23 23:23:43,944 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-11-23 23:23:44,196 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 657 [2019-11-23 23:23:44,497 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-11-23 23:23:44,752 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 660 [2019-11-23 23:23:45,061 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-11-23 23:23:45,326 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 663 [2019-11-23 23:23:45,630 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-11-23 23:23:45,896 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 666 [2019-11-23 23:23:46,259 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2019-11-23 23:23:46,530 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 669 [2019-11-23 23:23:46,841 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-11-23 23:23:47,109 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 672 [2019-11-23 23:23:47,421 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-11-23 23:23:47,691 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 675 [2019-11-23 23:23:48,007 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2019-11-23 23:23:48,280 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 678 [2019-11-23 23:23:48,604 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 683 [2019-11-23 23:23:48,881 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 681 [2019-11-23 23:23:49,194 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-11-23 23:23:49,472 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 684 [2019-11-23 23:23:49,788 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-11-23 23:23:50,074 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 687 [2019-11-23 23:23:50,393 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2019-11-23 23:23:50,678 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 690 [2019-11-23 23:23:50,999 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 695 [2019-11-23 23:23:51,284 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 693 [2019-11-23 23:23:51,615 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 698 [2019-11-23 23:23:51,901 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 696 [2019-11-23 23:23:52,239 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-11-23 23:23:52,539 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 699 [2019-11-23 23:23:52,874 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-11-23 23:23:53,168 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 702 [2019-11-23 23:23:53,507 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 707