/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/loop-new/count_by_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:23:17,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:23:17,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:23:17,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 04:23:17,738 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 04:23:17,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:23:17,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:23:17,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:23:17,759 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:23:17,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:23:17,759 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:23:17,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:23:17,760 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:23:17,760 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:23:17,760 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:23:17,760 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:23:17,760 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:23:17,760 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:23:17,761 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:23:17,761 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:23:17,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:23:17,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:23:17,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:23:17,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:23:17,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:23:17,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:23:17,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:23:17,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:23:17,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:23:17,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:23:17,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:23:17,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:23:17,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:23:17,765 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:23:17,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:23:17,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:23:17,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:23:17,766 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:23:18,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:23:18,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:23:18,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:23:18,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:23:18,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:23:18,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_1.i [2019-11-24 04:23:18,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b64b387e/01a213e05d4640039b46ca11f4c08b55/FLAG456e0cbdc [2019-11-24 04:23:18,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:23:18,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_1.i [2019-11-24 04:23:18,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b64b387e/01a213e05d4640039b46ca11f4c08b55/FLAG456e0cbdc [2019-11-24 04:23:18,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b64b387e/01a213e05d4640039b46ca11f4c08b55 [2019-11-24 04:23:18,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:23:18,997 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:23:18,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:23:18,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:23:19,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:23:19,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:23:18" (1/1) ... [2019-11-24 04:23:19,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c27ac2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19, skipping insertion in model container [2019-11-24 04:23:19,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:23:18" (1/1) ... [2019-11-24 04:23:19,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:23:19,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:23:19,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:23:19,214 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:23:19,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:23:19,244 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:23:19,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19 WrapperNode [2019-11-24 04:23:19,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:23:19,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:23:19,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:23:19,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:23:19,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:23:19,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:23:19,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:23:19,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:23:19,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (1/1) ... [2019-11-24 04:23:19,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:23:19,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:23:19,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:23:19,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:23:19,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (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 04:23:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:23:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:23:19,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:23:19,601 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:23:19,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:23:19 BoogieIcfgContainer [2019-11-24 04:23:19,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:23:19,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:23:19,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:23:19,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:23:19,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:23:18" (1/3) ... [2019-11-24 04:23:19,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bd3c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:23:19, skipping insertion in model container [2019-11-24 04:23:19,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:23:19" (2/3) ... [2019-11-24 04:23:19,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bd3c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:23:19, skipping insertion in model container [2019-11-24 04:23:19,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:23:19" (3/3) ... [2019-11-24 04:23:19,617 INFO L109 eAbstractionObserver]: Analyzing ICFG count_by_1.i [2019-11-24 04:23:19,652 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:23:19,660 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:23:19,674 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:23:19,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:23:19,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:23:19,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:23:19,705 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:23:19,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:23:19,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:23:19,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:23:19,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:23:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:23:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:23:19,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:23:19,729 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:23:19,729 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:23:19,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:23:19,736 INFO L82 PathProgramCache]: Analyzing trace with hash 986564, now seen corresponding path program 1 times [2019-11-24 04:23:19,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:23:19,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687310144] [2019-11-24 04:23:19,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:23:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:23:19,875 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 04:23:19,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687310144] [2019-11-24 04:23:19,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:23:19,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:23:19,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436682282] [2019-11-24 04:23:19,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:23:19,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:23:19,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:23:19,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:23:19,895 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-24 04:23:19,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:23:19,919 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-24 04:23:19,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:23:19,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 04:23:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:23:19,931 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:23:19,931 INFO L226 Difference]: Without dead ends: 6 [2019-11-24 04:23:19,936 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 04:23:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-24 04:23:19,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-24 04:23:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-24 04:23:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-24 04:23:19,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-11-24 04:23:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:23:19,963 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-24 04:23:19,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:23:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-24 04:23:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 04:23:19,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:23:19,964 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 04:23:19,964 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:23:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:23:19,964 INFO L82 PathProgramCache]: Analyzing trace with hash 30479654, now seen corresponding path program 1 times [2019-11-24 04:23:19,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:23:19,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717558776] [2019-11-24 04:23:19,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:23:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:23:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:23:20,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717558776] [2019-11-24 04:23:20,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641446807] [2019-11-24 04:23:20,001 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 04:23:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:23:20,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-24 04:23:20,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:23:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:23:20,049 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:23:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:23:20,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [697006408] [2019-11-24 04:23:20,111 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 04:23:20,112 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:23:20,118 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:23:20,126 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:23:20,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:23:22,837 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 253 [2019-11-24 04:23:23,051 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 264 [2019-11-24 04:23:23,272 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2019-11-24 04:23:23,504 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 286 [2019-11-24 04:23:23,732 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 297 [2019-11-24 04:23:23,976 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 308 [2019-11-24 04:23:24,257 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 319 [2019-11-24 04:23:24,542 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 330 [2019-11-24 04:23:24,900 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 341 [2019-11-24 04:23:25,050 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2019-11-24 04:23:25,215 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 352 [2019-11-24 04:23:25,661 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 363 [2019-11-24 04:23:25,890 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 363 [2019-11-24 04:23:26,139 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 374 [2019-11-24 04:23:26,324 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 374 [2019-11-24 04:23:26,488 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 385 [2019-11-24 04:23:26,633 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2019-11-24 04:23:26,805 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 396 [2019-11-24 04:23:27,107 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 407 [2019-11-24 04:23:27,252 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 407 [2019-11-24 04:23:27,436 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 418 [2019-11-24 04:23:27,767 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 429 [2019-11-24 04:23:28,106 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 440 [2019-11-24 04:23:28,284 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-11-24 04:23:28,478 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 451 [2019-11-24 04:23:28,624 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 451 [2019-11-24 04:23:28,830 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 462 [2019-11-24 04:23:28,987 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-11-24 04:23:29,214 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 473 [2019-11-24 04:23:29,376 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 473 [2019-11-24 04:23:29,600 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 484 [2019-11-24 04:23:29,768 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 484 [2019-11-24 04:23:30,000 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 495 [2019-11-24 04:23:30,192 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 495 [2019-11-24 04:23:30,449 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 506 [2019-11-24 04:23:30,641 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 506 [2019-11-24 04:23:30,899 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 517 [2019-11-24 04:23:31,092 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 517 [2019-11-24 04:23:31,366 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 528 [2019-11-24 04:23:31,563 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 528 [2019-11-24 04:23:31,843 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 539 [2019-11-24 04:23:32,049 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 539 [2019-11-24 04:23:32,347 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 550 [2019-11-24 04:23:32,567 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2019-11-24 04:23:32,868 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 561 [2019-11-24 04:23:33,100 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 561 [2019-11-24 04:23:33,446 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 572 [2019-11-24 04:23:33,695 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 572 [2019-11-24 04:23:34,018 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 583 [2019-11-24 04:23:34,307 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 583 [2019-11-24 04:23:34,684 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 594 [2019-11-24 04:23:34,956 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 594 [2019-11-24 04:23:35,305 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 605 [2019-11-24 04:23:35,580 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 605 [2019-11-24 04:23:35,948 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 616 [2019-11-24 04:23:36,240 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 616 [2019-11-24 04:23:36,640 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 739 DAG size of output: 627 [2019-11-24 04:23:36,961 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 627 [2019-11-24 04:23:37,339 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 638 [2019-11-24 04:23:37,644 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 638 [2019-11-24 04:23:38,077 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 649 [2019-11-24 04:23:38,391 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 649 [2019-11-24 04:23:38,813 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 660 [2019-11-24 04:23:39,149 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 660 [2019-11-24 04:23:39,578 WARN L192 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 671 [2019-11-24 04:23:39,918 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 671 [2019-11-24 04:23:40,349 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 682 [2019-11-24 04:23:40,723 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 682 [2019-11-24 04:23:41,172 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 693 [2019-11-24 04:23:41,542 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 693 [2019-11-24 04:23:42,119 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 829 DAG size of output: 704 [2019-11-24 04:23:42,508 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 704 [2019-11-24 04:23:42,988 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 715 [2019-11-24 04:23:43,378 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 715 [2019-11-24 04:23:43,877 WARN L192 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 726 [2019-11-24 04:23:44,274 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 726 [2019-11-24 04:23:44,793 WARN L192 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 737 [2019-11-24 04:23:45,209 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 737 [2019-11-24 04:23:45,757 WARN L192 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 748 [2019-11-24 04:23:46,211 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 748 [2019-11-24 04:23:46,744 WARN L192 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 759 [2019-11-24 04:23:47,286 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 759 [2019-11-24 04:23:47,843 WARN L192 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 910 DAG size of output: 770 [2019-11-24 04:23:48,324 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 770 [2019-11-24 04:23:48,885 WARN L192 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 781 [2019-11-24 04:23:49,393 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 781 [2019-11-24 04:23:49,996 WARN L192 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 792 [2019-11-24 04:23:50,496 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 792 [2019-11-24 04:23:51,150 WARN L192 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 803 [2019-11-24 04:23:51,671 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 803 [2019-11-24 04:23:52,328 WARN L192 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 814 [2019-11-24 04:23:52,859 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 814 [2019-11-24 04:23:53,543 WARN L192 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 974 DAG size of output: 825 [2019-11-24 04:23:54,086 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 826 DAG size of output: 825 [2019-11-24 04:23:54,802 WARN L192 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 836 [2019-11-24 04:23:55,366 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 836 [2019-11-24 04:23:56,093 WARN L192 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 847 [2019-11-24 04:23:56,673 WARN L192 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 847 [2019-11-24 04:23:57,405 WARN L192 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 858 [2019-11-24 04:23:58,004 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 858 [2019-11-24 04:23:58,748 WARN L192 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 1028 DAG size of output: 869 [2019-11-24 04:23:59,357 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 869 [2019-11-24 04:24:00,092 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 880 [2019-11-24 04:24:00,718 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 880 [2019-11-24 04:24:01,518 WARN L192 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 891 [2019-11-24 04:24:02,171 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 891 [2019-11-24 04:24:02,966 WARN L192 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 902 [2019-11-24 04:24:03,633 WARN L192 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 902 [2019-11-24 04:24:04,464 WARN L192 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 1078 DAG size of output: 913 [2019-11-24 04:24:05,148 WARN L192 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 913 [2019-11-24 04:24:05,983 WARN L192 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 924 [2019-11-24 04:24:06,704 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 924 [2019-11-24 04:24:07,567 WARN L192 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 935 [2019-11-24 04:24:08,295 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 935 [2019-11-24 04:24:09,147 WARN L192 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 946 [2019-11-24 04:24:09,925 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 946 [2019-11-24 04:24:10,793 WARN L192 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 957 [2019-11-24 04:24:11,624 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 957 [2019-11-24 04:24:12,494 WARN L192 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 968 [2019-11-24 04:24:13,275 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 968 [2019-11-24 04:24:14,191 WARN L192 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 979 [2019-11-24 04:24:15,027 WARN L192 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 979 [2019-11-24 04:24:15,946 WARN L192 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 990 [2019-11-24 04:24:16,776 WARN L192 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 990 [2019-11-24 04:24:17,731 WARN L192 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 1001 [2019-11-24 04:24:18,575 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1001 [2019-11-24 04:24:19,633 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1197 DAG size of output: 1012 [2019-11-24 04:24:20,496 WARN L192 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 1012 [2019-11-24 04:24:21,514 WARN L192 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1023 [2019-11-24 04:24:22,405 WARN L192 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 1023 [2019-11-24 04:24:23,469 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 1034 [2019-11-24 04:24:24,407 WARN L192 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 1034 [2019-11-24 04:24:25,468 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1045 [2019-11-24 04:24:26,404 WARN L192 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 1045 [2019-11-24 04:24:27,506 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1247 DAG size of output: 1056 [2019-11-24 04:24:28,462 WARN L192 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 1056 [2019-11-24 04:24:29,558 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1067 [2019-11-24 04:24:30,529 WARN L192 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 1067 [2019-11-24 04:24:31,658 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1078 [2019-11-24 04:24:32,672 WARN L192 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1078 [2019-11-24 04:24:33,858 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1089 [2019-11-24 04:24:34,881 WARN L192 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1089 [2019-11-24 04:24:36,016 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1100 [2019-11-24 04:24:37,065 WARN L192 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1100 [2019-11-24 04:24:38,285 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1111 [2019-11-24 04:24:39,352 WARN L192 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1111 [2019-11-24 04:24:40,574 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1122 [2019-11-24 04:24:41,656 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 1122 [2019-11-24 04:24:42,896 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1133 [2019-11-24 04:24:44,008 WARN L192 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1133 [2019-11-24 04:24:45,275 WARN L192 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1350 DAG size of output: 1144 [2019-11-24 04:24:46,417 WARN L192 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1144 [2019-11-24 04:24:47,720 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1155 [2019-11-24 04:24:48,886 WARN L192 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 1156 DAG size of output: 1155 [2019-11-24 04:24:50,207 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1379 DAG size of output: 1166 [2019-11-24 04:24:51,401 WARN L192 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 1167 DAG size of output: 1166 [2019-11-24 04:24:52,777 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1392 DAG size of output: 1177 [2019-11-24 04:24:54,008 WARN L192 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 1177 [2019-11-24 04:24:55,406 WARN L192 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1402 DAG size of output: 1188 [2019-11-24 04:24:56,646 WARN L192 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 1189 DAG size of output: 1188 [2019-11-24 04:24:58,087 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1418 DAG size of output: 1199 [2019-11-24 04:24:59,356 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 1200 DAG size of output: 1199 [2019-11-24 04:25:00,826 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1432 DAG size of output: 1210 [2019-11-24 04:25:02,134 WARN L192 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1210 [2019-11-24 04:25:03,637 WARN L192 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1443 DAG size of output: 1221