/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-invgen/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:19:17,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:19:17,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:19:17,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:19:17,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:19:17,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:19:17,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:19:17,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:19:17,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:19:17,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:19:17,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:19:17,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:19:17,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:19:17,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:19:17,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:19:17,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:19:17,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:19:17,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:19:17,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:19:17,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:19:17,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:19:17,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:19:17,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:19:17,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:19:17,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:19:17,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:19:17,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:19:17,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:19:17,698 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 04:19:17,733 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:19:17,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:19:17,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:19:17,737 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:19:17,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:19:17,737 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:19:17,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:19:17,737 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:19:17,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:19:17,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:19:17,738 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:19:17,738 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:19:17,738 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:19:17,738 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:19:17,739 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:19:17,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:19:17,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:19:17,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:19:17,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:19:17,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:19:17,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:19:17,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:19:17,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:19:17,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:19:17,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:19:17,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:19:17,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:19:17,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:19:17,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:19:17,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:19:17,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:19:17,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:19:17,744 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:19:18,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:19:18,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:19:18,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:19:18,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:19:18,031 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:19:18,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-11-24 04:19:18,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91a9ffb6/01513571821249aeb0d927e82f6a5d0b/FLAGc5a14be80 [2019-11-24 04:19:18,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:19:18,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-11-24 04:19:18,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91a9ffb6/01513571821249aeb0d927e82f6a5d0b/FLAGc5a14be80 [2019-11-24 04:19:18,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91a9ffb6/01513571821249aeb0d927e82f6a5d0b [2019-11-24 04:19:18,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:19:18,946 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:19:18,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:19:18,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:19:18,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:19:18,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:18" (1/1) ... [2019-11-24 04:19:18,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23100647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:18, skipping insertion in model container [2019-11-24 04:19:18,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:18" (1/1) ... [2019-11-24 04:19:18,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:19:18,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:19:19,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:19:19,183 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:19:19,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:19:19,218 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:19:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19 WrapperNode [2019-11-24 04:19:19,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:19:19,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:19:19,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:19:19,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:19:19,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:19:19,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:19:19,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:19:19,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:19:19,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (1/1) ... [2019-11-24 04:19:19,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:19:19,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:19:19,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:19:19,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:19:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (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 04:19:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:19:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:19:19,856 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:19:19,856 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-24 04:19:19,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:19 BoogieIcfgContainer [2019-11-24 04:19:19,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:19:19,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:19:19,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:19:19,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:19:19,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:19:18" (1/3) ... [2019-11-24 04:19:19,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc829ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:19:19, skipping insertion in model container [2019-11-24 04:19:19,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:19" (2/3) ... [2019-11-24 04:19:19,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc829ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:19:19, skipping insertion in model container [2019-11-24 04:19:19,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:19" (3/3) ... [2019-11-24 04:19:19,865 INFO L109 eAbstractionObserver]: Analyzing ICFG heapsort.i [2019-11-24 04:19:19,875 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:19:19,884 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2019-11-24 04:19:19,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-11-24 04:19:19,918 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:19:19,918 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:19:19,918 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:19:19,919 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:19:19,919 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:19:19,919 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:19:19,919 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:19:19,919 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:19:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2019-11-24 04:19:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:19:19,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:19,943 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:19,944 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:19,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:19,950 INFO L82 PathProgramCache]: Analyzing trace with hash 358158877, now seen corresponding path program 1 times [2019-11-24 04:19:19,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:19,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117309072] [2019-11-24 04:19:19,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:20,174 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 04:19:20,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117309072] [2019-11-24 04:19:20,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:20,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:20,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232228057] [2019-11-24 04:19:20,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:20,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:20,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:20,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:20,200 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 5 states. [2019-11-24 04:19:20,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:20,601 INFO L93 Difference]: Finished difference Result 194 states and 251 transitions. [2019-11-24 04:19:20,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-24 04:19:20,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-24 04:19:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:20,615 INFO L225 Difference]: With dead ends: 194 [2019-11-24 04:19:20,616 INFO L226 Difference]: Without dead ends: 120 [2019-11-24 04:19:20,620 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:19:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-24 04:19:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 92. [2019-11-24 04:19:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-24 04:19:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 108 transitions. [2019-11-24 04:19:20,693 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 108 transitions. Word has length 7 [2019-11-24 04:19:20,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:20,694 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 108 transitions. [2019-11-24 04:19:20,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2019-11-24 04:19:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:19:20,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:20,695 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:20,696 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:20,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:20,696 INFO L82 PathProgramCache]: Analyzing trace with hash 364032664, now seen corresponding path program 1 times [2019-11-24 04:19:20,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:20,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287136886] [2019-11-24 04:19:20,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:20,762 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 04:19:20,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287136886] [2019-11-24 04:19:20,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:20,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:19:20,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683849252] [2019-11-24 04:19:20,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:19:20,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:20,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:19:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:19:20,770 INFO L87 Difference]: Start difference. First operand 92 states and 108 transitions. Second operand 4 states. [2019-11-24 04:19:20,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:20,916 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2019-11-24 04:19:20,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:19:20,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 04:19:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:20,921 INFO L225 Difference]: With dead ends: 98 [2019-11-24 04:19:20,921 INFO L226 Difference]: Without dead ends: 96 [2019-11-24 04:19:20,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-24 04:19:20,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2019-11-24 04:19:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-24 04:19:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions. [2019-11-24 04:19:20,935 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 7 [2019-11-24 04:19:20,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:20,935 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions. [2019-11-24 04:19:20,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:19:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2019-11-24 04:19:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:19:20,936 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:20,937 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:20,937 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:20,937 INFO L82 PathProgramCache]: Analyzing trace with hash 593453312, now seen corresponding path program 1 times [2019-11-24 04:19:20,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:20,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323865296] [2019-11-24 04:19:20,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:21,006 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 04:19:21,007 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323865296] [2019-11-24 04:19:21,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:21,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:21,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697530628] [2019-11-24 04:19:21,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:21,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:21,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:21,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:21,009 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand 5 states. [2019-11-24 04:19:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:21,174 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2019-11-24 04:19:21,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 04:19:21,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-24 04:19:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:21,178 INFO L225 Difference]: With dead ends: 95 [2019-11-24 04:19:21,179 INFO L226 Difference]: Without dead ends: 89 [2019-11-24 04:19:21,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-24 04:19:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-24 04:19:21,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2019-11-24 04:19:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-24 04:19:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2019-11-24 04:19:21,204 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 9 [2019-11-24 04:19:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:21,204 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2019-11-24 04:19:21,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2019-11-24 04:19:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:19:21,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:21,206 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:21,208 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:21,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:21,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1920296963, now seen corresponding path program 1 times [2019-11-24 04:19:21,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:21,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39989707] [2019-11-24 04:19:21,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:21,298 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 04:19:21,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39989707] [2019-11-24 04:19:21,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:21,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:21,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437468570] [2019-11-24 04:19:21,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:21,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:21,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:21,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:21,301 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand 5 states. [2019-11-24 04:19:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:21,445 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2019-11-24 04:19:21,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 04:19:21,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-24 04:19:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:21,447 INFO L225 Difference]: With dead ends: 97 [2019-11-24 04:19:21,447 INFO L226 Difference]: Without dead ends: 95 [2019-11-24 04:19:21,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-24 04:19:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-24 04:19:21,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2019-11-24 04:19:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-24 04:19:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2019-11-24 04:19:21,458 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 9 [2019-11-24 04:19:21,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:21,459 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2019-11-24 04:19:21,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-11-24 04:19:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:19:21,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:21,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:21,460 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:21,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1545015924, now seen corresponding path program 1 times [2019-11-24 04:19:21,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:21,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100012225] [2019-11-24 04:19:21,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:21,512 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 04:19:21,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100012225] [2019-11-24 04:19:21,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:21,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-24 04:19:21,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347129964] [2019-11-24 04:19:21,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:19:21,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:21,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:19:21,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:19:21,514 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 6 states. [2019-11-24 04:19:21,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:21,694 INFO L93 Difference]: Finished difference Result 143 states and 166 transitions. [2019-11-24 04:19:21,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 04:19:21,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-24 04:19:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:21,698 INFO L225 Difference]: With dead ends: 143 [2019-11-24 04:19:21,698 INFO L226 Difference]: Without dead ends: 139 [2019-11-24 04:19:21,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:19:21,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-24 04:19:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2019-11-24 04:19:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-24 04:19:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 128 transitions. [2019-11-24 04:19:21,715 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 128 transitions. Word has length 10 [2019-11-24 04:19:21,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:21,715 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 128 transitions. [2019-11-24 04:19:21,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:19:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2019-11-24 04:19:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 04:19:21,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:21,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:21,717 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:21,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:21,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1600028006, now seen corresponding path program 1 times [2019-11-24 04:19:21,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:21,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258055530] [2019-11-24 04:19:21,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:21,761 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 04:19:21,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258055530] [2019-11-24 04:19:21,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:21,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:21,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94164659] [2019-11-24 04:19:21,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:21,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:21,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:21,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:21,764 INFO L87 Difference]: Start difference. First operand 108 states and 128 transitions. Second operand 5 states. [2019-11-24 04:19:21,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:21,964 INFO L93 Difference]: Finished difference Result 190 states and 223 transitions. [2019-11-24 04:19:21,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-24 04:19:21,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-24 04:19:21,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:21,966 INFO L225 Difference]: With dead ends: 190 [2019-11-24 04:19:21,967 INFO L226 Difference]: Without dead ends: 188 [2019-11-24 04:19:21,967 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:19:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-24 04:19:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 126. [2019-11-24 04:19:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-24 04:19:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 153 transitions. [2019-11-24 04:19:21,982 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 153 transitions. Word has length 13 [2019-11-24 04:19:21,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:21,982 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 153 transitions. [2019-11-24 04:19:21,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 153 transitions. [2019-11-24 04:19:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-24 04:19:21,984 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:21,984 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:21,984 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:21,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:21,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1605230389, now seen corresponding path program 1 times [2019-11-24 04:19:21,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:21,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033932879] [2019-11-24 04:19:21,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:22,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033932879] [2019-11-24 04:19:22,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:22,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-24 04:19:22,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125644521] [2019-11-24 04:19:22,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:19:22,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:22,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:19:22,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:19:22,031 INFO L87 Difference]: Start difference. First operand 126 states and 153 transitions. Second operand 6 states. [2019-11-24 04:19:22,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:22,206 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2019-11-24 04:19:22,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-24 04:19:22,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-24 04:19:22,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:22,208 INFO L225 Difference]: With dead ends: 131 [2019-11-24 04:19:22,209 INFO L226 Difference]: Without dead ends: 123 [2019-11-24 04:19:22,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-24 04:19:22,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-24 04:19:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 66. [2019-11-24 04:19:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-24 04:19:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2019-11-24 04:19:22,231 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 76 transitions. Word has length 14 [2019-11-24 04:19:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:22,232 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 76 transitions. [2019-11-24 04:19:22,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:19:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2019-11-24 04:19:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 04:19:22,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:22,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:22,233 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:22,233 INFO L82 PathProgramCache]: Analyzing trace with hash 28780585, now seen corresponding path program 1 times [2019-11-24 04:19:22,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:22,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617491792] [2019-11-24 04:19:22,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:22,330 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 04:19:22,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617491792] [2019-11-24 04:19:22,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:22,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-24 04:19:22,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461643321] [2019-11-24 04:19:22,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:19:22,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:22,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:19:22,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:19:22,333 INFO L87 Difference]: Start difference. First operand 66 states and 76 transitions. Second operand 6 states. [2019-11-24 04:19:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:22,505 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2019-11-24 04:19:22,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-24 04:19:22,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-24 04:19:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:22,507 INFO L225 Difference]: With dead ends: 81 [2019-11-24 04:19:22,507 INFO L226 Difference]: Without dead ends: 79 [2019-11-24 04:19:22,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-24 04:19:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-24 04:19:22,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2019-11-24 04:19:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-24 04:19:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2019-11-24 04:19:22,520 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 15 [2019-11-24 04:19:22,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:22,521 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2019-11-24 04:19:22,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:19:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2019-11-24 04:19:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-24 04:19:22,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:22,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:22,528 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:22,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1865511809, now seen corresponding path program 1 times [2019-11-24 04:19:22,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:22,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794956880] [2019-11-24 04:19:22,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:22,650 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 04:19:22,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794956880] [2019-11-24 04:19:22,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:22,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-24 04:19:22,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238377598] [2019-11-24 04:19:22,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-24 04:19:22,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:22,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-24 04:19:22,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-24 04:19:22,652 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 7 states. [2019-11-24 04:19:22,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:22,997 INFO L93 Difference]: Finished difference Result 142 states and 164 transitions. [2019-11-24 04:19:22,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-24 04:19:22,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-24 04:19:22,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:22,999 INFO L225 Difference]: With dead ends: 142 [2019-11-24 04:19:22,999 INFO L226 Difference]: Without dead ends: 138 [2019-11-24 04:19:23,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2019-11-24 04:19:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-24 04:19:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 108. [2019-11-24 04:19:23,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-24 04:19:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-11-24 04:19:23,014 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 18 [2019-11-24 04:19:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:23,014 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-11-24 04:19:23,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-24 04:19:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-11-24 04:19:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 04:19:23,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:23,015 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:23,015 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:23,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1419416979, now seen corresponding path program 1 times [2019-11-24 04:19:23,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:23,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743662711] [2019-11-24 04:19:23,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:23,080 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 04:19:23,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743662711] [2019-11-24 04:19:23,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:23,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:23,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490347701] [2019-11-24 04:19:23,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:23,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:23,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:23,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:23,082 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2019-11-24 04:19:23,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:23,264 INFO L93 Difference]: Finished difference Result 196 states and 228 transitions. [2019-11-24 04:19:23,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-24 04:19:23,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-24 04:19:23,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:23,266 INFO L225 Difference]: With dead ends: 196 [2019-11-24 04:19:23,266 INFO L226 Difference]: Without dead ends: 194 [2019-11-24 04:19:23,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:19:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-24 04:19:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 156. [2019-11-24 04:19:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-24 04:19:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2019-11-24 04:19:23,284 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 21 [2019-11-24 04:19:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:23,285 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2019-11-24 04:19:23,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2019-11-24 04:19:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-24 04:19:23,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:23,286 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:23,286 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:23,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:23,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1141842023, now seen corresponding path program 1 times [2019-11-24 04:19:23,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:23,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458775881] [2019-11-24 04:19:23,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:23,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458775881] [2019-11-24 04:19:23,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:23,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:23,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846494758] [2019-11-24 04:19:23,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:23,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:23,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:23,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:23,345 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 5 states. [2019-11-24 04:19:23,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:23,451 INFO L93 Difference]: Finished difference Result 447 states and 526 transitions. [2019-11-24 04:19:23,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:19:23,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-24 04:19:23,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:23,454 INFO L225 Difference]: With dead ends: 447 [2019-11-24 04:19:23,454 INFO L226 Difference]: Without dead ends: 341 [2019-11-24 04:19:23,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:19:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-11-24 04:19:23,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 282. [2019-11-24 04:19:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-24 04:19:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 334 transitions. [2019-11-24 04:19:23,488 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 334 transitions. Word has length 25 [2019-11-24 04:19:23,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:23,488 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 334 transitions. [2019-11-24 04:19:23,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 334 transitions. [2019-11-24 04:19:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-24 04:19:23,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:23,489 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:23,490 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash -664467266, now seen corresponding path program 1 times [2019-11-24 04:19:23,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:23,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460113400] [2019-11-24 04:19:23,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:23,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460113400] [2019-11-24 04:19:23,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264810461] [2019-11-24 04:19:23,551 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 04:19:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:23,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-24 04:19:23,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:19:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:23,703 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:19:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:23,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-24 04:19:23,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2019-11-24 04:19:23,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322964978] [2019-11-24 04:19:23,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:23,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:23,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:23,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-24 04:19:23,772 INFO L87 Difference]: Start difference. First operand 282 states and 334 transitions. Second operand 5 states. [2019-11-24 04:19:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:23,908 INFO L93 Difference]: Finished difference Result 675 states and 797 transitions. [2019-11-24 04:19:23,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:19:23,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-24 04:19:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:23,911 INFO L225 Difference]: With dead ends: 675 [2019-11-24 04:19:23,911 INFO L226 Difference]: Without dead ends: 413 [2019-11-24 04:19:23,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-24 04:19:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-11-24 04:19:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 360. [2019-11-24 04:19:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-11-24 04:19:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2019-11-24 04:19:23,970 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 29 [2019-11-24 04:19:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:23,971 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2019-11-24 04:19:23,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2019-11-24 04:19:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-24 04:19:23,975 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:23,975 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:24,180 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:24,181 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:24,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1050812552, now seen corresponding path program 1 times [2019-11-24 04:19:24,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:24,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166005547] [2019-11-24 04:19:24,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:24,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166005547] [2019-11-24 04:19:24,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:24,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-24 04:19:24,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383106723] [2019-11-24 04:19:24,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:19:24,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:24,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:19:24,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:19:24,241 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 6 states. [2019-11-24 04:19:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:24,467 INFO L93 Difference]: Finished difference Result 542 states and 616 transitions. [2019-11-24 04:19:24,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-24 04:19:24,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-24 04:19:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:24,471 INFO L225 Difference]: With dead ends: 542 [2019-11-24 04:19:24,471 INFO L226 Difference]: Without dead ends: 540 [2019-11-24 04:19:24,472 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-11-24 04:19:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-11-24 04:19:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 285. [2019-11-24 04:19:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2019-11-24 04:19:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 331 transitions. [2019-11-24 04:19:24,524 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 331 transitions. Word has length 35 [2019-11-24 04:19:24,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:24,524 INFO L462 AbstractCegarLoop]: Abstraction has 285 states and 331 transitions. [2019-11-24 04:19:24,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:19:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 331 transitions. [2019-11-24 04:19:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-24 04:19:24,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:24,526 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:24,526 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:24,526 INFO L82 PathProgramCache]: Analyzing trace with hash -263379221, now seen corresponding path program 1 times [2019-11-24 04:19:24,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:24,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939093] [2019-11-24 04:19:24,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:24,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939093] [2019-11-24 04:19:24,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003285019] [2019-11-24 04:19:24,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:24,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-24 04:19:24,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:19:24,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:24,734 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:19:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:24,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1451123445] [2019-11-24 04:19:24,845 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-11-24 04:19:24,845 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:19:24,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:19:24,863 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:19:24,863 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:19:26,667 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:19:26,837 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2019-11-24 04:19:27,252 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2019-11-24 04:19:27,538 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2019-11-24 04:19:27,797 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 40 [2019-11-24 04:19:28,635 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2019-11-24 04:19:29,071 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 59 [2019-11-24 04:19:29,734 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2019-11-24 04:19:30,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:19:30,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 6, 6] total 18 [2019-11-24 04:19:30,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659578711] [2019-11-24 04:19:30,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-24 04:19:30,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:30,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-24 04:19:30,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2019-11-24 04:19:30,594 INFO L87 Difference]: Start difference. First operand 285 states and 331 transitions. Second operand 10 states. [2019-11-24 04:19:30,754 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2019-11-24 04:19:31,010 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2019-11-24 04:19:31,274 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-11-24 04:19:31,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:31,725 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2019-11-24 04:19:31,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-24 04:19:31,726 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-11-24 04:19:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:31,728 INFO L225 Difference]: With dead ends: 447 [2019-11-24 04:19:31,728 INFO L226 Difference]: Without dead ends: 376 [2019-11-24 04:19:31,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 75 SyntacticMatches, 24 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=152, Invalid=268, Unknown=0, NotChecked=0, Total=420 [2019-11-24 04:19:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-11-24 04:19:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 311. [2019-11-24 04:19:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-11-24 04:19:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 360 transitions. [2019-11-24 04:19:31,773 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 360 transitions. Word has length 37 [2019-11-24 04:19:31,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:31,773 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 360 transitions. [2019-11-24 04:19:31,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-24 04:19:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 360 transitions. [2019-11-24 04:19:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-24 04:19:31,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:31,776 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:31,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:31,979 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:31,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:31,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2052626497, now seen corresponding path program 1 times [2019-11-24 04:19:31,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:31,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043230152] [2019-11-24 04:19:31,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:32,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043230152] [2019-11-24 04:19:32,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147829152] [2019-11-24 04:19:32,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:32,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-24 04:19:32,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:19:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:32,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:19:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:32,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1399987807] [2019-11-24 04:19:32,670 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2019-11-24 04:19:32,670 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:19:32,671 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:19:32,671 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:19:32,671 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:19:33,445 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 225 [2019-11-24 04:19:33,653 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2019-11-24 04:19:33,675 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,678 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,679 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,683 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,685 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,689 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,691 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,693 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,694 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,696 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,698 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,699 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,702 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,708 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,711 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,717 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:33,718 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,114 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 271 [2019-11-24 04:19:34,761 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 273 [2019-11-24 04:19:34,844 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,871 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,879 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,880 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,903 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,911 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,917 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,919 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,921 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,922 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,924 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,928 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,930 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,945 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,961 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,962 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,964 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:34,988 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:35,133 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 274 [2019-11-24 04:19:36,042 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,047 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,050 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,051 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,051 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,052 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,053 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,054 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:36,269 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 195 [2019-11-24 04:19:37,242 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-11-24 04:19:38,350 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:19:38,707 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2019-11-24 04:19:39,312 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 67 [2019-11-24 04:19:39,880 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2019-11-24 04:19:40,373 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2019-11-24 04:19:41,005 WARN L192 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 65 [2019-11-24 04:19:41,429 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 38 [2019-11-24 04:19:42,020 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 38 [2019-11-24 04:19:42,365 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2019-11-24 04:19:42,601 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-11-24 04:19:43,388 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 26 [2019-11-24 04:19:44,307 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 32 [2019-11-24 04:19:44,707 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 31 [2019-11-24 04:19:45,310 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2019-11-24 04:19:45,778 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 33 [2019-11-24 04:19:46,061 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2019-11-24 04:19:46,360 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 15 [2019-11-24 04:19:46,683 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2019-11-24 04:19:47,042 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 14 [2019-11-24 04:19:47,762 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 21 [2019-11-24 04:19:48,132 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 15 [2019-11-24 04:19:48,303 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 04:19:48,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:19:48,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 28 [2019-11-24 04:19:48,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339467580] [2019-11-24 04:19:48,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-24 04:19:48,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:48,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-24 04:19:48,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=2411, Unknown=0, NotChecked=0, Total=2652 [2019-11-24 04:19:48,307 INFO L87 Difference]: Start difference. First operand 311 states and 360 transitions. Second operand 28 states. [2019-11-24 04:19:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:51,453 INFO L93 Difference]: Finished difference Result 554 states and 620 transitions. [2019-11-24 04:19:51,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-24 04:19:51,453 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 41 [2019-11-24 04:19:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:51,457 INFO L225 Difference]: With dead ends: 554 [2019-11-24 04:19:51,458 INFO L226 Difference]: Without dead ends: 550 [2019-11-24 04:19:51,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 71 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=912, Invalid=4940, Unknown=0, NotChecked=0, Total=5852 [2019-11-24 04:19:51,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-11-24 04:19:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 323. [2019-11-24 04:19:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-11-24 04:19:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 370 transitions. [2019-11-24 04:19:51,508 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 370 transitions. Word has length 41 [2019-11-24 04:19:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:51,509 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 370 transitions. [2019-11-24 04:19:51,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-24 04:19:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 370 transitions. [2019-11-24 04:19:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-24 04:19:51,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:51,511 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:51,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:51,722 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:51,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1332598816, now seen corresponding path program 1 times [2019-11-24 04:19:51,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:51,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408483238] [2019-11-24 04:19:51,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:51,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408483238] [2019-11-24 04:19:51,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640390556] [2019-11-24 04:19:51,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:51,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-24 04:19:51,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:19:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:51,942 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:19:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:52,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1860579981] [2019-11-24 04:19:52,107 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2019-11-24 04:19:52,107 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:19:52,107 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:19:52,107 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:19:52,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:19:52,688 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,690 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,691 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,693 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,694 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,694 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,696 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,697 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,698 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,698 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,700 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,701 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,702 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,704 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,704 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,706 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:52,707 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:53,140 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 318 [2019-11-24 04:19:53,349 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 318 [2019-11-24 04:19:53,495 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-11-24 04:19:53,749 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 319 [2019-11-24 04:19:53,902 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 319 [2019-11-24 04:19:54,029 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2019-11-24 04:19:54,183 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2019-11-24 04:19:54,188 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,189 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,191 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,192 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,193 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,194 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,196 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,198 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,312 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,316 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,319 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,322 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,326 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,328 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,331 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,333 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,334 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,335 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,338 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,339 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,342 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,343 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,344 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,344 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,345 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,346 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,347 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,353 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,356 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,360 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,361 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,363 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,365 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,369 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,371 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,376 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,377 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,380 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,382 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,386 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,391 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,393 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,395 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,398 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,403 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,404 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,405 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,407 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,408 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,409 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,411 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,413 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,415 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,417 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,419 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,422 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,423 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,424 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,425 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,425 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,428 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,429 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,430 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,432 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,433 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,435 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,438 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,446 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,447 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,462 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,463 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,470 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,476 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,478 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,479 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,480 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,486 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,488 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,491 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,491 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,492 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,495 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,496 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,500 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:19:54,659 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 335 [2019-11-24 04:19:56,427 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 1364 DAG size of output: 1358 [2019-11-24 04:19:56,902 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1364 DAG size of output: 1358 [2019-11-24 04:19:57,179 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 1356 [2019-11-24 04:20:00,554 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 23 [2019-11-24 04:20:01,032 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,033 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,035 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,036 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,037 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,038 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,039 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,041 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,042 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,043 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,044 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,045 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,046 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,048 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,049 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,050 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,051 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,053 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,055 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,057 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,058 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,060 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,061 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,065 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,069 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,072 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,073 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,074 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,076 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,078 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,081 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,083 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,085 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,088 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,091 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,096 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,110 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,114 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,114 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,116 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,117 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,119 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,120 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,121 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,123 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,124 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,125 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,126 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,127 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,128 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,129 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,130 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,132 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,134 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,134 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,136 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,137 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,138 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,140 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,141 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,142 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,142 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,144 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,146 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,147 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,148 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,148 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,151 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,152 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,154 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,155 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,156 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,158 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,160 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,165 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,167 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,168 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,170 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,173 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,174 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,176 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,179 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,182 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,183 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,184 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,186 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,189 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,193 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,194 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,198 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,201 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,204 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,208 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,210 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,214 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,217 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,219 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,221 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,223 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,225 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,229 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,231 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,234 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,235 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,236 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,239 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,244 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,248 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,250 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,254 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,259 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,260 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,262 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,264 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,266 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,267 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,271 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,272 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,273 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,274 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,275 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,278 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,278 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,280 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,282 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,285 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,286 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,287 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,288 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,289 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,294 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,296 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,297 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,298 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,299 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,301 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,302 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,303 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,305 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,306 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,307 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,548 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-24 04:20:01,709 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,710 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,712 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,715 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,719 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,721 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,724 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,725 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,727 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,729 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,731 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,732 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,733 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,737 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,739 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,753 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,754 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,755 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,756 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,757 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,759 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,760 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,761 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,764 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,764 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,771 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,775 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,775 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,780 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,781 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,782 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,786 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,787 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,789 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,791 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,792 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,796 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,798 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,803 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,804 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,805 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,808 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,810 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,811 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,815 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,817 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,820 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,821 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,823 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,825 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,827 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,833 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,834 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,837 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,838 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,839 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,841 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,843 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,845 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,851 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,851 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,853 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,858 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,859 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,860 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,863 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,868 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,870 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,871 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,878 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,880 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,880 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,883 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,884 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,888 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:01,889 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:02,066 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 341 [2019-11-24 04:20:03,897 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,921 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,932 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,937 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,943 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,950 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,961 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:03,987 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,034 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,093 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,103 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,114 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,116 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,124 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,131 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,143 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,190 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:04,225 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:05,341 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1423 DAG size of output: 1216 [2019-11-24 04:20:05,518 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1423 DAG size of output: 1216 [2019-11-24 04:20:06,979 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 23 [2019-11-24 04:20:07,466 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,467 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,468 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,470 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,471 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,472 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,472 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,474 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,475 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,476 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,479 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,481 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,485 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,487 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,492 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,495 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,497 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,498 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,499 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,500 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,501 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,502 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,504 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,505 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,508 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,509 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,510 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,511 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,512 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,512 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,513 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,514 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,515 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,517 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,518 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,519 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,520 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,522 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,523 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,524 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,525 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,528 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,528 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,529 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,530 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,531 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,532 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,532 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,533 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,533 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,534 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,535 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,538 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,542 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,543 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,544 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,545 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,545 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,546 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,547 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,548 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,549 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,550 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,550 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,551 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,552 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,552 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,553 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,556 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,559 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,563 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,564 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,589 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,592 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,595 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,596 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,597 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,599 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,600 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,601 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,602 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,605 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,607 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,607 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,609 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,610 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,611 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,617 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,618 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,619 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,621 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,630 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,631 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,632 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,634 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,637 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,640 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,643 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,645 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,646 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,651 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,653 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,657 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,660 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,662 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,665 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,666 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,667 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,668 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,671 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,674 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,674 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,676 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,677 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,677 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,678 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,679 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,680 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,683 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,684 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,686 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,686 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,688 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,689 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,690 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,691 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,692 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,693 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,695 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,699 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,701 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,701 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,703 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,704 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,705 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,706 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,708 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,709 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,710 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,711 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,712 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,712 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,714 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:07,715 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:08,117 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 145 [2019-11-24 04:20:08,309 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 145 [2019-11-24 04:20:08,501 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 134 [2019-11-24 04:20:08,679 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 134 [2019-11-24 04:20:08,858 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 134 [2019-11-24 04:20:09,024 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 134 [2019-11-24 04:20:09,219 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 146 [2019-11-24 04:20:09,393 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 146 [2019-11-24 04:20:09,414 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:20:09,744 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-11-24 04:20:09,919 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 43 [2019-11-24 04:20:10,113 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2019-11-24 04:20:10,681 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 64 [2019-11-24 04:20:11,075 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2019-11-24 04:20:11,560 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 41 [2019-11-24 04:20:11,991 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 42 [2019-11-24 04:20:13,455 WARN L192 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 17 [2019-11-24 04:20:14,559 WARN L192 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 25 [2019-11-24 04:20:15,384 WARN L192 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 19 [2019-11-24 04:20:16,846 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 26 [2019-11-24 04:20:17,716 WARN L192 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 20 [2019-11-24 04:20:18,912 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 04:20:18,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:20:18,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2019-11-24 04:20:18,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224552987] [2019-11-24 04:20:18,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-24 04:20:18,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:20:18,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-24 04:20:18,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1320, Unknown=0, NotChecked=0, Total=1560 [2019-11-24 04:20:18,915 INFO L87 Difference]: Start difference. First operand 323 states and 370 transitions. Second operand 15 states. [2019-11-24 04:20:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:20:20,877 INFO L93 Difference]: Finished difference Result 502 states and 556 transitions. [2019-11-24 04:20:20,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-11-24 04:20:20,878 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 51 [2019-11-24 04:20:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:20:20,881 INFO L225 Difference]: With dead ends: 502 [2019-11-24 04:20:20,881 INFO L226 Difference]: Without dead ends: 500 [2019-11-24 04:20:20,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 110 SyntacticMatches, 11 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2586 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=1159, Invalid=6323, Unknown=0, NotChecked=0, Total=7482 [2019-11-24 04:20:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-11-24 04:20:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 295. [2019-11-24 04:20:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2019-11-24 04:20:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 334 transitions. [2019-11-24 04:20:20,930 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 334 transitions. Word has length 51 [2019-11-24 04:20:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:20:20,932 INFO L462 AbstractCegarLoop]: Abstraction has 295 states and 334 transitions. [2019-11-24 04:20:20,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-24 04:20:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 334 transitions. [2019-11-24 04:20:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-24 04:20:20,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:20:20,933 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:20:21,137 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:20:21,138 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:20:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:20:21,138 INFO L82 PathProgramCache]: Analyzing trace with hash -585030131, now seen corresponding path program 2 times [2019-11-24 04:20:21,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:20:21,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207100133] [2019-11-24 04:20:21,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:20:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:20:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:20:21,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207100133] [2019-11-24 04:20:21,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210300757] [2019-11-24 04:20:21,212 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:20:21,269 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-24 04:20:21,269 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-24 04:20:21,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-24 04:20:21,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:20:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:20:21,369 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:20:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-24 04:20:21,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [886892780] [2019-11-24 04:20:21,401 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2019-11-24 04:20:21,401 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:20:21,402 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:20:21,402 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:20:21,402 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:20:22,294 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 302 [2019-11-24 04:20:22,975 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,976 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,977 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,978 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,980 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,984 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,985 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,985 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,987 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,989 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,990 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,991 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,994 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:22,997 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,000 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,003 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,005 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,007 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,008 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,009 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,013 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,013 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,015 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,018 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,023 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,023 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,025 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,026 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,029 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,031 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,032 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,033 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,034 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,036 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,037 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,038 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,039 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,040 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,042 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,043 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,045 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,046 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,047 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,051 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,053 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,054 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,055 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,056 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,057 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,059 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,060 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,061 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,062 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,063 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,065 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,066 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,067 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,072 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,073 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,077 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,079 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,081 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,086 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,087 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,089 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,097 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,099 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,099 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,101 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,102 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,106 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,108 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,109 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,114 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,115 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,117 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,121 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,121 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,125 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:23,247 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2019-11-24 04:20:23,999 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1293 DAG size of output: 1289 [2019-11-24 04:20:24,182 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1293 DAG size of output: 1289 [2019-11-24 04:20:24,346 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 1291 [2019-11-24 04:20:27,457 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 334 [2019-11-24 04:20:28,368 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2019-11-24 04:20:28,868 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2019-11-24 04:20:29,030 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,031 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,032 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,034 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,036 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,038 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,040 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,041 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,042 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,044 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,049 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,056 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,057 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,059 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,062 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,065 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,065 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,068 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,069 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,071 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,073 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,074 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,079 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,080 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,082 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,087 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,088 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,090 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,091 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,092 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,093 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,098 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,104 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,109 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,112 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,114 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,120 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,121 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,123 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,126 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,128 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,129 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,132 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,134 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,140 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,141 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,143 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,143 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,144 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,145 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,146 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,147 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,149 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,150 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,151 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,152 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,153 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,155 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,157 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,157 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,160 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,161 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,162 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,164 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,165 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,166 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,168 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,169 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,170 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 17 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:29,290 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 326 [2019-11-24 04:20:30,006 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 1166 [2019-11-24 04:20:30,140 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 1166 [2019-11-24 04:20:31,958 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,959 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,961 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,965 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,969 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,970 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,972 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,974 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,975 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,976 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,979 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,981 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,982 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,983 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,984 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,985 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,987 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,993 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,994 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:31,996 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,004 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,008 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,008 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,009 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,012 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,016 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,018 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,021 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,024 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,027 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,027 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,031 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,032 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,033 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,035 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,035 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,036 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,043 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,044 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,047 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,050 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,052 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,053 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,055 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,056 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,057 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,058 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,060 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,062 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,065 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,068 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,070 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,070 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,075 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,076 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,080 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,082 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,082 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,085 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,087 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,089 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,090 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,092 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,095 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,095 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,096 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,098 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,099 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,100 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,101 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,102 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,104 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,104 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,105 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,106 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,106 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,107 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,108 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,135 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,136 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,138 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,142 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,143 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,144 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,144 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,145 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,152 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,153 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,155 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,157 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,158 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,162 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:32,163 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 18 iterations. Over-approximation may be very coarse. [2019-11-24 04:20:33,002 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1180 [2019-11-24 04:20:35,563 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-24 04:20:35,731 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-24 04:20:35,931 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-24 04:20:36,437 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:20:36,782 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-11-24 04:20:36,951 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 43 [2019-11-24 04:20:37,132 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2019-11-24 04:20:38,504 WARN L192 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 373 DAG size of output: 55 [2019-11-24 04:20:38,899 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 33 [2019-11-24 04:20:39,442 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 33 [2019-11-24 04:20:39,963 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 27 [2019-11-24 04:20:41,634 WARN L192 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 17 [2019-11-24 04:20:42,627 WARN L192 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 25 [2019-11-24 04:20:43,413 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 19 [2019-11-24 04:20:44,751 WARN L192 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 26 [2019-11-24 04:20:45,575 WARN L192 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 20