/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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:30:17,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:30:17,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:30:17,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:30:17,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:30:17,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:30:17,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:30:17,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:30:17,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:30:17,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:30:17,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:30:17,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:30:17,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:30:17,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:30:17,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:30:17,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:30:17,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:30:17,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:30:17,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:30:17,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:30:17,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:30:17,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:30:17,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:30:17,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:30:17,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:30:17,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:30:17,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:30:17,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:30:17,228 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 04:30:17,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:30:17,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:30:17,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:30:17,255 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:30:17,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:30:17,255 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:30:17,255 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:30:17,255 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:30:17,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:30:17,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:30:17,257 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:30:17,257 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:30:17,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:30:17,258 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:30:17,258 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:30:17,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:30:17,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:30:17,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:30:17,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:30:17,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:30:17,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:30:17,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:30:17,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:30:17,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:30:17,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:30:17,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:30:17,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:30:17,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:30:17,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:30:17,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:30:17,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:30:17,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:30:17,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:30:17,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:30:17,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:30:17,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:30:17,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:30:17,266 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:30:17,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:30:17,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:30:17,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:30:17,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:30:17,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:30:17,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-11-24 04:30:17,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8fcbe8ec/509fd4c2ff2544178002eafaf7fe9df1/FLAGf647f480b [2019-11-24 04:30:18,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:30:18,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-11-24 04:30:18,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8fcbe8ec/509fd4c2ff2544178002eafaf7fe9df1/FLAGf647f480b [2019-11-24 04:30:18,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8fcbe8ec/509fd4c2ff2544178002eafaf7fe9df1 [2019-11-24 04:30:18,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:30:18,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:30:18,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:30:18,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:30:18,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:30:18,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449a522b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18, skipping insertion in model container [2019-11-24 04:30:18,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:30:18,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:30:18,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:30:18,675 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:30:18,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:30:18,707 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:30:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18 WrapperNode [2019-11-24 04:30:18,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:30:18,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:30:18,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:30:18,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:30:18,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:30:18,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:30:18,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:30:18,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:30:18,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (1/1) ... [2019-11-24 04:30:18,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:30:18,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:30:18,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:30:18,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:30:18,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (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 04:30:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:30:18,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:30:19,165 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:30:19,166 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 04:30:19,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:30:19 BoogieIcfgContainer [2019-11-24 04:30:19,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:30:19,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:30:19,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:30:19,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:30:19,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:30:18" (1/3) ... [2019-11-24 04:30:19,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e64aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:30:19, skipping insertion in model container [2019-11-24 04:30:19,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:18" (2/3) ... [2019-11-24 04:30:19,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e64aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:30:19, skipping insertion in model container [2019-11-24 04:30:19,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:30:19" (3/3) ... [2019-11-24 04:30:19,185 INFO L109 eAbstractionObserver]: Analyzing ICFG mannadiv.c [2019-11-24 04:30:19,207 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:30:19,214 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 04:30:19,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 04:30:19,247 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:30:19,247 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:30:19,247 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:30:19,247 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:30:19,247 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:30:19,247 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:30:19,247 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:30:19,248 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:30:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-24 04:30:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:30:19,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:30:19,267 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:30:19,267 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:30:19,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:30:19,272 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-24 04:30:19,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:30:19,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078389045] [2019-11-24 04:30:19,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:30:19,354 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-24 04:30:19,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207647106] [2019-11-24 04:30:19,354 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 04:30:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:30:19,388 WARN L253 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-24 04:30:19,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:30:19,468 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 04:30:19,468 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:30:19,523 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 04:30:19,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078389045] [2019-11-24 04:30:19,524 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 04:30:19,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207647106] [2019-11-24 04:30:19,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:30:19,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-24 04:30:19,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891148355] [2019-11-24 04:30:19,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:30:19,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:30:19,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:30:19,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 04:30:19,553 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 6 states. [2019-11-24 04:30:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:30:19,707 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-11-24 04:30:19,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-24 04:30:19,710 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-11-24 04:30:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:30:19,722 INFO L225 Difference]: With dead ends: 33 [2019-11-24 04:30:19,723 INFO L226 Difference]: Without dead ends: 18 [2019-11-24 04:30:19,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-24 04:30:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-24 04:30:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 12. [2019-11-24 04:30:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-24 04:30:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-24 04:30:19,765 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2019-11-24 04:30:19,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:30:19,765 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-24 04:30:19,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:30:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-24 04:30:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:30:19,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:30:19,767 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-24 04:30:19,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:30:19,971 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:30:19,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:30:19,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1360119650, now seen corresponding path program 1 times [2019-11-24 04:30:19,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:30:19,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375311252] [2019-11-24 04:30:19,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:30:19,981 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-24 04:30:19,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115740307] [2019-11-24 04:30:19,982 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 04:30:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:30:20,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-24 04:30:20,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:30:20,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:30:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:30:20,120 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:30:20,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:30:20,387 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2019-11-24 04:30:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:30:20,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375311252] [2019-11-24 04:30:20,393 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 04:30:20,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115740307] [2019-11-24 04:30:20,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1336651362] [2019-11-24 04:30:20,418 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-24 04:30:20,418 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:30:20,424 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:30:20,431 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:30:20,432 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:30:21,435 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2019-11-24 04:30:21,729 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 292 [2019-11-24 04:30:22,300 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 532 [2019-11-24 04:30:22,933 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2019-11-24 04:30:24,679 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1563 DAG size of output: 1495 [2019-11-24 04:30:24,897 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,899 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,902 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,914 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,919 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,923 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,926 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,929 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,932 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,939 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,947 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,949 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,960 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,968 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,975 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,977 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,979 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,983 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:24,997 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,011 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,026 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,041 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,070 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,077 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,080 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,087 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,092 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,102 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,105 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,117 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,121 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,141 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:25,156 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:26,767 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1470 DAG size of output: 1453 [2019-11-24 04:30:30,900 WARN L192 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 3059 DAG size of output: 3024 [2019-11-24 04:30:31,198 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,211 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,224 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,226 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,229 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,233 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,234 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,235 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,241 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,255 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,256 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,258 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,263 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,267 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,270 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,275 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,279 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,283 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,287 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,290 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,296 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,299 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,306 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,311 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,318 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,321 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,329 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,332 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,333 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,336 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,344 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,351 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,356 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,364 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,364 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,785 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,790 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,792 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,799 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,804 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,809 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,812 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,815 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,816 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,817 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,823 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,830 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,833 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,839 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,844 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,853 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,864 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,871 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,876 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,887 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,891 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,896 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,899 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,925 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,931 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,953 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,960 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,971 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,974 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,987 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,995 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:31,998 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,011 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,036 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,052 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,054 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,055 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,059 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,062 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,072 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,096 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,103 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,109 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,113 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,135 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:32,137 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:37,162 WARN L192 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 3010 DAG size of output: 2999 [2019-11-24 04:30:54,027 WARN L192 SmtUtils]: Spent 15.96 s on a formula simplification. DAG size of input: 5837 DAG size of output: 5794 [2019-11-24 04:30:54,921 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,926 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,930 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,951 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,959 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,965 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,967 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,975 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,984 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,987 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,988 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,990 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,991 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:54,998 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,007 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,017 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,031 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,037 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,039 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,049 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,051 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,055 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,062 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,064 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,068 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,069 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,070 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,080 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,093 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,099 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,101 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,103 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,105 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,115 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,117 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,118 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,122 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,123 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,124 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,130 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,137 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,140 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,146 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,153 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,154 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,156 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,157 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,161 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,166 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,176 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,179 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,183 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,186 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,199 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,202 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,214 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,218 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,227 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,231 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,239 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,240 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,244 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,254 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,258 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,261 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,268 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,270 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,277 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,280 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,282 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,285 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,287 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,288 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,292 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,293 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,296 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,306 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,309 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,313 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,320 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,323 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:55,327 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,094 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,096 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,111 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,122 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,124 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,126 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,134 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,137 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,138 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,138 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,144 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,148 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,149 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,150 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,153 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,153 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,156 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,164 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,168 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,171 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,173 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,175 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,176 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,180 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,185 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,195 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,199 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,201 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,201 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,205 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,207 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,219 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,227 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,239 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,240 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,242 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,245 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,249 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,257 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,262 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,273 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,274 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,277 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,284 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,289 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,304 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,310 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,318 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,328 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,342 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,347 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,353 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,355 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,362 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,365 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,365 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,369 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,372 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,380 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,383 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,388 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,389 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,397 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,403 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,405 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,407 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,409 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,411 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,412 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,413 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,414 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,421 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,427 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,428 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,432 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,441 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,444 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,449 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,455 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,456 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,460 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,463 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,464 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,465 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,469 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,472 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,475 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,477 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,478 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,484 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,487 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,489 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,491 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,492 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,493 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,497 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,504 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,506 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,508 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,512 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,513 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,515 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,518 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,520 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,524 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,528 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,529 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,529 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,531 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,536 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,542 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,550 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,561 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,564 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,571 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,573 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,576 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,586 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,589 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,599 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,600 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:30:58,607 WARN L229 IntervalDomain]: Interval conversion did not stabilize in 8 iterations. Over-approximation may be very coarse. [2019-11-24 04:31:13,368 WARN L192 SmtUtils]: Spent 14.75 s on a formula simplification. DAG size of input: 5768 DAG size of output: 5730