/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/loops/n.c24.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:26:47,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:26:47,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:26:47,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:26:47,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:26:47,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:26:47,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:26:47,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:26:47,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:26:47,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:26:47,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:26:47,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:26:47,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:26:47,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:26:47,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:26:47,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:26:47,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:26:47,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:26:47,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:26:47,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:26:47,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:26:47,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:26:47,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:26:47,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:26:47,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:26:47,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:26:47,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:26:47,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:26:47,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:26:47,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:26:47,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:26:47,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:26:47,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:26:47,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:26:47,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:26:47,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:26:47,987 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 [2019-11-24 04:26:48,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:26:48,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:26:48,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:26:48,005 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:26:48,005 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:26:48,005 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:26:48,005 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:26:48,005 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:26:48,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:26:48,006 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:26:48,006 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:26:48,006 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:26:48,006 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:26:48,007 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:26:48,007 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:26:48,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:26:48,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:26:48,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:26:48,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:26:48,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:26:48,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:26:48,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:26:48,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:26:48,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:26:48,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:26:48,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:26:48,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:26:48,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:26:48,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:26:48,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:26:48,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:26:48,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:26:48,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:26:48,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:26:48,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:26:48,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:26:48,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:26:48,012 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:26:48,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:26:48,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:26:48,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:26:48,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:26:48,304 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:26:48,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c24.i [2019-11-24 04:26:48,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8c0cf4c/8cb536aed744405ea66a70910f7ce3ef/FLAG21356380b [2019-11-24 04:26:48,922 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:26:48,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c24.i [2019-11-24 04:26:48,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8c0cf4c/8cb536aed744405ea66a70910f7ce3ef/FLAG21356380b [2019-11-24 04:26:49,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8c0cf4c/8cb536aed744405ea66a70910f7ce3ef [2019-11-24 04:26:49,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:26:49,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:26:49,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:26:49,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:26:49,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:26:49,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577254a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49, skipping insertion in model container [2019-11-24 04:26:49,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:26:49,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:26:49,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:26:49,686 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:26:49,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:26:49,758 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:26:49,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49 WrapperNode [2019-11-24 04:26:49,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:26:49,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:26:49,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:26:49,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:26:49,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:26:49,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:26:49,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:26:49,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:26:49,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (1/1) ... [2019-11-24 04:26:49,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:26:49,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:26:49,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:26:49,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:26:49,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (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 [2019-11-24 04:26:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 04:26:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:26:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:26:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:26:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:26:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 04:26:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:26:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:26:50,464 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:26:50,465 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-24 04:26:50,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:26:50 BoogieIcfgContainer [2019-11-24 04:26:50,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:26:50,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:26:50,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:26:50,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:26:50,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:26:49" (1/3) ... [2019-11-24 04:26:50,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d524dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:26:50, skipping insertion in model container [2019-11-24 04:26:50,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:49" (2/3) ... [2019-11-24 04:26:50,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d524dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:26:50, skipping insertion in model container [2019-11-24 04:26:50,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:26:50" (3/3) ... [2019-11-24 04:26:50,475 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c24.i [2019-11-24 04:26:50,484 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:26:50,490 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:26:50,499 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:26:50,526 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:26:50,527 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:26:50,527 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:26:50,527 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:26:50,527 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:26:50,528 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:26:50,528 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:26:50,528 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:26:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-24 04:26:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 04:26:50,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:26:50,548 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 04:26:50,549 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:26:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:26:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash 152905605, now seen corresponding path program 1 times [2019-11-24 04:26:50,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:26:50,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473737194] [2019-11-24 04:26:50,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:26:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:26:50,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473737194] [2019-11-24 04:26:50,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:26:50,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:26:50,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751399925] [2019-11-24 04:26:50,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:26:50,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:26:50,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:26:50,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:26:50,722 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-11-24 04:26:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:26:50,803 INFO L93 Difference]: Finished difference Result 59 states and 93 transitions. [2019-11-24 04:26:50,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:26:50,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-24 04:26:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:26:50,819 INFO L225 Difference]: With dead ends: 59 [2019-11-24 04:26:50,820 INFO L226 Difference]: Without dead ends: 34 [2019-11-24 04:26:50,827 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:26:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-24 04:26:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 21. [2019-11-24 04:26:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 04:26:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2019-11-24 04:26:50,864 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 5 [2019-11-24 04:26:50,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:26:50,864 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2019-11-24 04:26:50,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:26:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-24 04:26:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:26:50,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:26:50,865 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:26:50,866 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:26:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:26:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash -701462863, now seen corresponding path program 1 times [2019-11-24 04:26:50,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:26:50,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460977089] [2019-11-24 04:26:50,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:26:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:50,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460977089] [2019-11-24 04:26:50,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332879385] [2019-11-24 04:26:50,957 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 [2019-11-24 04:26:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:51,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-24 04:26:51,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:26:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:51,076 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:26:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:51,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1860023143] [2019-11-24 04:26:51,130 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 04:26:51,131 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:26:51,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:26:51,144 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:26:51,145 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:26:52,647 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 04:26:55,305 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 262 [2019-11-24 04:26:55,770 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 286 [2019-11-24 04:26:56,040 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 298 [2019-11-24 04:26:56,354 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 310 [2019-11-24 04:26:56,635 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 322 [2019-11-24 04:26:56,961 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 334 [2019-11-24 04:26:57,100 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 335 [2019-11-24 04:26:57,257 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 347 [2019-11-24 04:26:57,462 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 346 [2019-11-24 04:26:57,672 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 358 [2019-11-24 04:26:57,968 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 371 [2019-11-24 04:26:58,129 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 371 [2019-11-24 04:26:58,308 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 383 [2019-11-24 04:26:58,651 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 395 [2019-11-24 04:26:58,839 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 395 [2019-11-24 04:26:59,051 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 407 [2019-11-24 04:26:59,197 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 407 [2019-11-24 04:26:59,399 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 419 [2019-11-24 04:26:59,574 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 418 [2019-11-24 04:26:59,838 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 430 [2019-11-24 04:27:00,008 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 431 [2019-11-24 04:27:00,227 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 443 [2019-11-24 04:27:00,392 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 443 [2019-11-24 04:27:00,615 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 455 [2019-11-24 04:27:00,787 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-11-24 04:27:01,013 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 466 [2019-11-24 04:27:01,203 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2019-11-24 04:27:01,469 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 479 [2019-11-24 04:27:01,681 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2019-11-24 04:27:01,943 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 491 [2019-11-24 04:27:02,127 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 491 [2019-11-24 04:27:02,712 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 503 [2019-11-24 04:27:03,320 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 503 [2019-11-24 04:27:03,835 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 515 [2019-11-24 04:27:04,047 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 515 [2019-11-24 04:27:04,349 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 527 [2019-11-24 04:27:04,570 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-11-24 04:27:04,935 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 539 [2019-11-24 04:27:05,182 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2019-11-24 04:27:05,493 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 551 [2019-11-24 04:27:05,734 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 551 [2019-11-24 04:27:06,068 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 563 [2019-11-24 04:27:06,325 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 562 [2019-11-24 04:27:06,678 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 574 [2019-11-24 04:27:06,942 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-11-24 04:27:07,292 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 587 [2019-11-24 04:27:07,576 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 586 [2019-11-24 04:27:07,947 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 598 [2019-11-24 04:27:08,247 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 599 [2019-11-24 04:27:08,638 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 611 [2019-11-24 04:27:08,978 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-24 04:27:09,382 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 623 [2019-11-24 04:27:09,701 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 622 [2019-11-24 04:27:10,135 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 634 [2019-11-24 04:27:10,469 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2019-11-24 04:27:10,938 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 647 [2019-11-24 04:27:11,314 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 646 [2019-11-24 04:27:11,779 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 658 [2019-11-24 04:27:12,147 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 658 [2019-11-24 04:27:12,614 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 670 [2019-11-24 04:27:12,989 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 670 [2019-11-24 04:27:13,462 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 682 [2019-11-24 04:27:13,867 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2019-11-24 04:27:14,357 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 695 [2019-11-24 04:27:14,759 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 695 [2019-11-24 04:27:15,279 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 707 [2019-11-24 04:27:15,731 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 706 [2019-11-24 04:27:16,276 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 718 [2019-11-24 04:27:16,727 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 718 [2019-11-24 04:27:17,279 WARN L192 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 730 [2019-11-24 04:27:17,747 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 730 [2019-11-24 04:27:18,317 WARN L192 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 742 [2019-11-24 04:27:18,790 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 742 [2019-11-24 04:27:19,381 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 754 [2019-11-24 04:27:19,893 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 754 [2019-11-24 04:27:20,512 WARN L192 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 766 [2019-11-24 04:27:21,033 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 767 [2019-11-24 04:27:21,675 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 779 [2019-11-24 04:27:22,205 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 779 [2019-11-24 04:27:22,851 WARN L192 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 791 [2019-11-24 04:27:23,391 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 791 [2019-11-24 04:27:24,066 WARN L192 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 803 [2019-11-24 04:27:24,631 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 803 DAG size of output: 803 [2019-11-24 04:27:25,321 WARN L192 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 815 [2019-11-24 04:27:25,913 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 814 [2019-11-24 04:27:26,611 WARN L192 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 826 [2019-11-24 04:27:27,205 WARN L192 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 827 [2019-11-24 04:27:27,930 WARN L192 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 839 [2019-11-24 04:27:28,554 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 839 DAG size of output: 838 [2019-11-24 04:27:29,321 WARN L192 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 850 [2019-11-24 04:27:29,954 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 851 [2019-11-24 04:27:30,737 WARN L192 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1008 DAG size of output: 863 [2019-11-24 04:27:31,410 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 863 [2019-11-24 04:27:32,223 WARN L192 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 875 [2019-11-24 04:27:32,899 WARN L192 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 874 [2019-11-24 04:27:33,740 WARN L192 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 886 [2019-11-24 04:27:34,432 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 887 [2019-11-24 04:27:35,287 WARN L192 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 899 [2019-11-24 04:27:36,028 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 899 [2019-11-24 04:27:36,891 WARN L192 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1067 DAG size of output: 911 [2019-11-24 04:27:37,649 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 911 [2019-11-24 04:27:38,575 WARN L192 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 923 [2019-11-24 04:27:39,340 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 923 [2019-11-24 04:27:40,269 WARN L192 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 935 [2019-11-24 04:27:41,047 WARN L192 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 935 [2019-11-24 04:27:42,028 WARN L192 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 947 [2019-11-24 04:27:42,835 WARN L192 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 946 [2019-11-24 04:27:43,826 WARN L192 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 958 [2019-11-24 04:27:44,854 WARN L192 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 959 [2019-11-24 04:27:45,836 WARN L192 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 971 [2019-11-24 04:27:46,709 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 971 [2019-11-24 04:27:47,722 WARN L192 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 983 [2019-11-24 04:27:48,655 WARN L192 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 982 [2019-11-24 04:27:49,747 WARN L192 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1162 DAG size of output: 994 [2019-11-24 04:27:50,639 WARN L192 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 995 DAG size of output: 995 [2019-11-24 04:27:51,765 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1173 DAG size of output: 1007 [2019-11-24 04:27:52,690 WARN L192 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 1006 [2019-11-24 04:27:53,815 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1186 DAG size of output: 1018 [2019-11-24 04:27:54,756 WARN L192 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 1019 [2019-11-24 04:27:55,922 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1031 [2019-11-24 04:27:56,903 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2019-11-24 04:27:58,102 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1218 DAG size of output: 1043 [2019-11-24 04:27:59,119 WARN L192 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2019-11-24 04:28:00,368 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1055 [2019-11-24 04:28:01,447 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 1054 [2019-11-24 04:28:02,658 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1066 [2019-11-24 04:28:03,775 WARN L192 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 1067 DAG size of output: 1067 [2019-11-24 04:28:05,017 WARN L192 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1079 [2019-11-24 04:28:06,149 WARN L192 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1079 [2019-11-24 04:28:07,412 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1091 [2019-11-24 04:28:08,595 WARN L192 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2019-11-24 04:28:09,883 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1288 DAG size of output: 1103 [2019-11-24 04:28:11,062 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 1103 DAG size of output: 1103 [2019-11-24 04:28:12,456 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1115 [2019-11-24 04:28:13,722 WARN L192 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1115 DAG size of output: 1115 [2019-11-24 04:28:15,122 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1317 DAG size of output: 1127 [2019-11-24 04:28:16,377 WARN L192 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 1127 [2019-11-24 04:28:17,858 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1332 DAG size of output: 1139 [2019-11-24 04:28:19,132 WARN L192 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 1139 DAG size of output: 1139 [2019-11-24 04:28:20,640 WARN L192 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1151 [2019-11-24 04:28:21,932 WARN L192 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1151 [2019-11-24 04:28:23,467 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1363 DAG size of output: 1163 [2019-11-24 04:28:24,787 WARN L192 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 1163 [2019-11-24 04:28:26,307 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1375 DAG size of output: 1175 [2019-11-24 04:28:27,675 WARN L192 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1175 [2019-11-24 04:28:29,184 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1392 DAG size of output: 1187 [2019-11-24 04:28:30,567 WARN L192 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 1187 DAG size of output: 1186