/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-acceleration/simple_4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:15:25,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:15:25,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:15:25,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:15:25,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:15:25,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:15:25,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:15:25,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:15:25,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:15:25,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:15:25,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:15:25,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:15:25,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:15:25,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:15:25,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:15:25,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:15:25,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:15:25,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:15:25,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:15:25,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:15:25,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:15:25,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:15:25,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:15:25,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:15:25,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:15:25,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:15:25,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:15:25,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:15:25,328 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 04:15:25,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:15:25,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:15:25,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:15:25,343 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:15:25,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:15:25,343 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:15:25,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:15:25,344 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:15:25,344 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:15:25,344 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:15:25,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:15:25,345 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:15:25,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:15:25,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:15:25,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:15:25,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:15:25,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:15:25,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:15:25,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:15:25,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:15:25,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:15:25,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:15:25,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:15:25,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:15:25,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:15:25,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:15:25,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:15:25,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:15:25,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:15:25,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:15:25,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:15:25,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:15:25,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:15:25,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:15:25,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:15:25,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:15:25,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:15:25,350 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:15:25,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:15:25,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:15:25,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:15:25,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:15:25,650 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:15:25,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_4-2.c [2019-11-24 04:15:25,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee3bdf1f/9d8721bab1e1427c9f4da420f290f067/FLAG971ab558e [2019-11-24 04:15:26,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:15:26,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_4-2.c [2019-11-24 04:15:26,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee3bdf1f/9d8721bab1e1427c9f4da420f290f067/FLAG971ab558e [2019-11-24 04:15:26,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee3bdf1f/9d8721bab1e1427c9f4da420f290f067 [2019-11-24 04:15:26,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:15:26,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:15:26,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:15:26,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:15:26,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:15:26,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:26,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bcd66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26, skipping insertion in model container [2019-11-24 04:15:26,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:26,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:15:26,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:15:26,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:15:26,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:15:26,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:15:26,951 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:15:26,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26 WrapperNode [2019-11-24 04:15:26,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:15:26,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:15:26,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:15:26,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:15:26,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:26,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:15:27,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:15:27,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:15:27,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:15:27,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (1/1) ... [2019-11-24 04:15:27,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:15:27,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:15:27,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:15:27,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:15:27,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (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 04:15:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:15:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:15:27,307 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:15:27,308 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:15:27,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:27 BoogieIcfgContainer [2019-11-24 04:15:27,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:15:27,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:15:27,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:15:27,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:15:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:15:26" (1/3) ... [2019-11-24 04:15:27,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd74856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:15:27, skipping insertion in model container [2019-11-24 04:15:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:26" (2/3) ... [2019-11-24 04:15:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd74856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:15:27, skipping insertion in model container [2019-11-24 04:15:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:27" (3/3) ... [2019-11-24 04:15:27,317 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_4-2.c [2019-11-24 04:15:27,327 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:15:27,333 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:15:27,345 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:15:27,367 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:15:27,368 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:15:27,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:15:27,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:15:27,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:15:27,368 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:15:27,368 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:15:27,368 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:15:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:15:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:15:27,384 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:15:27,385 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:15:27,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:15:27,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:15:27,390 INFO L82 PathProgramCache]: Analyzing trace with hash 982688, now seen corresponding path program 1 times [2019-11-24 04:15:27,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:15:27,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087264324] [2019-11-24 04:15:27,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:15:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:27,609 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 04:15:27,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087264324] [2019-11-24 04:15:27,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:15:27,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:15:27,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142861251] [2019-11-24 04:15:27,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:15:27,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:15:27,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:15:27,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:15:27,643 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-24 04:15:27,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:15:27,670 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-24 04:15:27,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:15:27,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 04:15:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:15:27,690 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:15:27,690 INFO L226 Difference]: Without dead ends: 6 [2019-11-24 04:15:27,693 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:15:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-24 04:15:27,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-24 04:15:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-24 04:15:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-24 04:15:27,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-11-24 04:15:27,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:15:27,722 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-24 04:15:27,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:15:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-24 04:15:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 04:15:27,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:15:27,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 04:15:27,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:15:27,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:15:27,724 INFO L82 PathProgramCache]: Analyzing trace with hash 29879958, now seen corresponding path program 1 times [2019-11-24 04:15:27,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:15:27,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927440135] [2019-11-24 04:15:27,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:15:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:27,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927440135] [2019-11-24 04:15:27,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966900245] [2019-11-24 04:15:27,835 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 04:15:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:27,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:15:27,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:15:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:27,924 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:15:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:27,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [928276252] [2019-11-24 04:15:27,971 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 04:15:27,972 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:15:27,978 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:15:27,985 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:15:27,986 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:15:29,180 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2019-11-24 04:15:29,448 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 158 [2019-11-24 04:15:30,073 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 191 [2019-11-24 04:15:31,091 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 246 [2019-11-24 04:15:31,531 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2019-11-24 04:15:32,020 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2019-11-24 04:15:32,553 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2019-11-24 04:15:32,869 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 323 [2019-11-24 04:15:33,169 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 334 [2019-11-24 04:15:33,341 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 334 [2019-11-24 04:15:33,687 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 345 [2019-11-24 04:15:33,850 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 345 [2019-11-24 04:15:34,026 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 356 [2019-11-24 04:15:34,188 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 356 [2019-11-24 04:15:34,444 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 367 [2019-11-24 04:15:34,590 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2019-11-24 04:15:34,808 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 378 [2019-11-24 04:15:35,176 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 389 [2019-11-24 04:15:35,340 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 389 [2019-11-24 04:15:35,560 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 400 [2019-11-24 04:15:35,708 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 400 [2019-11-24 04:15:35,904 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 411 [2019-11-24 04:15:36,052 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 411 [2019-11-24 04:15:36,271 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 422 [2019-11-24 04:15:36,499 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 422 [2019-11-24 04:15:37,011 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 433 [2019-11-24 04:15:37,250 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 433 [2019-11-24 04:15:37,498 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 444 [2019-11-24 04:15:37,644 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-11-24 04:15:37,922 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 455 [2019-11-24 04:15:38,069 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-11-24 04:15:38,344 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 466 [2019-11-24 04:15:38,538 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 466 [2019-11-24 04:15:38,804 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 477 [2019-11-24 04:15:38,968 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 477 [2019-11-24 04:15:39,261 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 488 [2019-11-24 04:15:39,439 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 488 [2019-11-24 04:15:39,726 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 499 [2019-11-24 04:15:39,960 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 499 [2019-11-24 04:15:40,259 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 510 [2019-11-24 04:15:40,445 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 510 [2019-11-24 04:15:40,766 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 521 [2019-11-24 04:15:40,955 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 521 [2019-11-24 04:15:41,303 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 532 [2019-11-24 04:15:41,507 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 532 [2019-11-24 04:15:41,853 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 543 [2019-11-24 04:15:42,063 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 543 [2019-11-24 04:15:42,438 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 554 [2019-11-24 04:15:42,664 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 554 [2019-11-24 04:15:43,080 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 565 [2019-11-24 04:15:43,305 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2019-11-24 04:15:43,692 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 576 [2019-11-24 04:15:43,946 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 576 [2019-11-24 04:15:44,375 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 587 [2019-11-24 04:15:44,621 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 587 [2019-11-24 04:15:45,027 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 598 [2019-11-24 04:15:45,276 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 598 [2019-11-24 04:15:45,712 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 609 [2019-11-24 04:15:45,969 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 609 [2019-11-24 04:15:46,413 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 620 [2019-11-24 04:15:46,690 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 620 [2019-11-24 04:15:47,145 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 631 [2019-11-24 04:15:47,473 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 631 [2019-11-24 04:15:47,945 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 642 [2019-11-24 04:15:48,242 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 642 [2019-11-24 04:15:48,718 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 653 [2019-11-24 04:15:49,048 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 653 [2019-11-24 04:15:49,550 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 664 [2019-11-24 04:15:49,885 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 664 [2019-11-24 04:15:50,414 WARN L192 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 675 [2019-11-24 04:15:50,763 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 675 [2019-11-24 04:15:51,295 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 686 [2019-11-24 04:15:51,643 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 686 [2019-11-24 04:15:52,199 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 697 [2019-11-24 04:15:52,563 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 697 [2019-11-24 04:15:53,152 WARN L192 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 708 [2019-11-24 04:15:53,525 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 708 [2019-11-24 04:15:54,106 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 719 [2019-11-24 04:15:54,500 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 719 [2019-11-24 04:15:55,118 WARN L192 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 730 [2019-11-24 04:15:55,522 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 730 [2019-11-24 04:15:56,168 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 741 [2019-11-24 04:15:56,578 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 741 [2019-11-24 04:15:57,217 WARN L192 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 752 [2019-11-24 04:15:57,679 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 752 [2019-11-24 04:15:58,338 WARN L192 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 763 [2019-11-24 04:15:58,854 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 763 [2019-11-24 04:15:59,533 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 774 [2019-11-24 04:16:00,010 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 774 [2019-11-24 04:16:00,693 WARN L192 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 785 [2019-11-24 04:16:01,169 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 785 [2019-11-24 04:16:01,913 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 796 [2019-11-24 04:16:02,482 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 796 [2019-11-24 04:16:03,231 WARN L192 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 807 [2019-11-24 04:16:03,755 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 807 [2019-11-24 04:16:04,543 WARN L192 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 818 [2019-11-24 04:16:05,079 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 818 [2019-11-24 04:16:05,872 WARN L192 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 829 [2019-11-24 04:16:06,419 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 829 [2019-11-24 04:16:07,203 WARN L192 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 840 [2019-11-24 04:16:07,755 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 840 [2019-11-24 04:16:08,556 WARN L192 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 851 [2019-11-24 04:16:09,118 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 851 [2019-11-24 04:16:09,984 WARN L192 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 862 [2019-11-24 04:16:10,566 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 862 [2019-11-24 04:16:11,441 WARN L192 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 873 [2019-11-24 04:16:12,038 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 873 [2019-11-24 04:16:12,986 WARN L192 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 884 [2019-11-24 04:16:13,624 WARN L192 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 884 [2019-11-24 04:16:14,563 WARN L192 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 895 [2019-11-24 04:16:15,219 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 895 [2019-11-24 04:16:16,217 WARN L192 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 906 [2019-11-24 04:16:16,941 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 906 [2019-11-24 04:16:17,923 WARN L192 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 917 [2019-11-24 04:16:18,660 WARN L192 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 917 [2019-11-24 04:16:19,629 WARN L192 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 928 [2019-11-24 04:16:20,381 WARN L192 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 928 [2019-11-24 04:16:21,356 WARN L192 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 1109 DAG size of output: 939 [2019-11-24 04:16:22,080 WARN L192 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 939 [2019-11-24 04:16:23,172 WARN L192 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 950 [2019-11-24 04:16:23,920 WARN L192 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 950 [2019-11-24 04:16:25,005 WARN L192 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 961 [2019-11-24 04:16:25,782 WARN L192 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 961 [2019-11-24 04:16:26,942 WARN L192 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 972 [2019-11-24 04:16:27,738 WARN L192 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 972 [2019-11-24 04:16:28,882 WARN L192 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 1161 DAG size of output: 983 [2019-11-24 04:16:29,683 WARN L192 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 984 DAG size of output: 983 [2019-11-24 04:16:30,865 WARN L192 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 994 [2019-11-24 04:16:31,689 WARN L192 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 995 DAG size of output: 994 [2019-11-24 04:16:32,915 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1188 DAG size of output: 1005 [2019-11-24 04:16:33,763 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 1006 DAG size of output: 1005 [2019-11-24 04:16:34,949 WARN L192 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1016 [2019-11-24 04:16:35,889 WARN L192 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 1016 [2019-11-24 04:16:37,109 WARN L192 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1027 [2019-11-24 04:16:38,029 WARN L192 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 1028 DAG size of output: 1027 [2019-11-24 04:16:39,245 WARN L192 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1038 [2019-11-24 04:16:40,193 WARN L192 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 1038 [2019-11-24 04:16:41,448 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1049 [2019-11-24 04:16:42,357 WARN L192 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 1049 [2019-11-24 04:16:43,656 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1060 [2019-11-24 04:16:44,589 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 1060 [2019-11-24 04:16:45,940 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1265 DAG size of output: 1071 [2019-11-24 04:16:46,891 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 1072 DAG size of output: 1071 [2019-11-24 04:16:48,245 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1082 [2019-11-24 04:16:49,236 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1082 [2019-11-24 04:16:50,590 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1093 [2019-11-24 04:16:51,642 WARN L192 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1093 [2019-11-24 04:16:53,018 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1104 [2019-11-24 04:16:54,053 WARN L192 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 1104 [2019-11-24 04:16:55,492 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1317 DAG size of output: 1115 [2019-11-24 04:16:56,551 WARN L192 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 1116 DAG size of output: 1115 [2019-11-24 04:16:57,983 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1329 DAG size of output: 1126 [2019-11-24 04:16:59,057 WARN L192 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 [2019-11-24 04:17:00,528 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1342 DAG size of output: 1137 [2019-11-24 04:17:01,637 WARN L192 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1137 [2019-11-24 04:17:03,257 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1148 [2019-11-24 04:17:04,405 WARN L192 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 1148 [2019-11-24 04:17:05,943 WARN L192 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1159 [2019-11-24 04:17:07,103 WARN L192 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 1159 [2019-11-24 04:17:08,713 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1384 DAG size of output: 1170