/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/array-examples/standard_copy5_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:04:33,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:04:33,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:04:33,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:04:33,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:04:33,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:04:33,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:04:33,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:04:33,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:04:33,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:04:33,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:04:33,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:04:33,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:04:33,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:04:33,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:04:33,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:04:33,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:04:33,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:04:33,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:04:33,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:04:33,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:04:33,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:04:33,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:04:33,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:04:33,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:04:33,202 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 [2019-11-23 23:04:33,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:04:33,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:04:33,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:04:33,225 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:04:33,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:04:33,226 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:04:33,226 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:04:33,226 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:04:33,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:04:33,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:04:33,227 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:04:33,228 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:04:33,228 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:04:33,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:04:33,229 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:04:33,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:04:33,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:04:33,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:04:33,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:04:33,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:04:33,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:04:33,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:04:33,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:04:33,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:04:33,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:04:33,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:04:33,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:04:33,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:04:33,234 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:04:33,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:04:33,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:04:33,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:04:33,235 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:04:33,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:04:33,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:04:33,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:04:33,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:04:33,535 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:04:33,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy5_ground-1.i [2019-11-23 23:04:33,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecefc1f6/b5f9231ab68b4ea187c5f974757950bd/FLAGa7761936f [2019-11-23 23:04:34,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:04:34,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy5_ground-1.i [2019-11-23 23:04:34,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecefc1f6/b5f9231ab68b4ea187c5f974757950bd/FLAGa7761936f [2019-11-23 23:04:34,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecefc1f6/b5f9231ab68b4ea187c5f974757950bd [2019-11-23 23:04:34,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:04:34,529 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:04:34,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:34,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:04:34,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:04:34,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6281f1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34, skipping insertion in model container [2019-11-23 23:04:34,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:04:34,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:04:34,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:34,789 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:04:34,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:04:34,852 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:04:34,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34 WrapperNode [2019-11-23 23:04:34,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:04:34,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:34,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:04:34,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:04:34,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:04:34,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:04:34,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:04:34,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:04:34,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:34,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:35,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:35,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:35,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (1/1) ... [2019-11-23 23:04:35,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:04:35,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:04:35,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:04:35,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:04:35,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (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 [2019-11-23 23:04:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:04:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:04:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:04:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:04:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:04:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:04:35,587 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:04:35,588 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-23 23:04:35,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:35 BoogieIcfgContainer [2019-11-23 23:04:35,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:04:35,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:04:35,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:04:35,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:04:35,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:04:34" (1/3) ... [2019-11-23 23:04:35,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4f46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:35, skipping insertion in model container [2019-11-23 23:04:35,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:34" (2/3) ... [2019-11-23 23:04:35,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4f46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:35, skipping insertion in model container [2019-11-23 23:04:35,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:35" (3/3) ... [2019-11-23 23:04:35,597 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy5_ground-1.i [2019-11-23 23:04:35,606 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:04:35,614 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:04:35,625 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:04:35,647 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:04:35,647 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:04:35,647 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:04:35,647 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:04:35,647 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:04:35,648 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:04:35,648 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:04:35,648 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:04:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-23 23:04:35,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 23:04:35,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:35,666 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:35,667 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:35,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:35,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1660002907, now seen corresponding path program 1 times [2019-11-23 23:04:35,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:35,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903726819] [2019-11-23 23:04:35,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:04:35,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903726819] [2019-11-23 23:04:35,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:04:35,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:04:35,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416147434] [2019-11-23 23:04:35,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:04:35,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:35,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:04:35,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:35,859 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-11-23 23:04:35,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:35,887 INFO L93 Difference]: Finished difference Result 25 states and 39 transitions. [2019-11-23 23:04:35,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:04:35,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-23 23:04:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:35,898 INFO L225 Difference]: With dead ends: 25 [2019-11-23 23:04:35,898 INFO L226 Difference]: Without dead ends: 13 [2019-11-23 23:04:35,901 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 [2019-11-23 23:04:35,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-23 23:04:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-23 23:04:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-23 23:04:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2019-11-23 23:04:35,931 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 19 transitions. Word has length 10 [2019-11-23 23:04:35,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:35,931 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-23 23:04:35,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:04:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-11-23 23:04:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 23:04:35,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:35,933 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:35,933 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:35,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:35,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1178979443, now seen corresponding path program 1 times [2019-11-23 23:04:35,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:35,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139138273] [2019-11-23 23:04:35,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:04:35,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139138273] [2019-11-23 23:04:35,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:04:35,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:04:35,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037175754] [2019-11-23 23:04:35,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:04:35,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:04:35,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:04:35,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:35,988 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. Second operand 3 states. [2019-11-23 23:04:36,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:04:36,045 INFO L93 Difference]: Finished difference Result 27 states and 42 transitions. [2019-11-23 23:04:36,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:04:36,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-23 23:04:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:04:36,047 INFO L225 Difference]: With dead ends: 27 [2019-11-23 23:04:36,047 INFO L226 Difference]: Without dead ends: 18 [2019-11-23 23:04:36,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:04:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-23 23:04:36,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-23 23:04:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 23:04:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2019-11-23 23:04:36,054 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2019-11-23 23:04:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:04:36,055 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2019-11-23 23:04:36,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:04:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-23 23:04:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-23 23:04:36,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:04:36,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:04:36,057 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:04:36,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:04:36,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1078057854, now seen corresponding path program 1 times [2019-11-23 23:04:36,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:04:36,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342575967] [2019-11-23 23:04:36,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:04:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-23 23:04:36,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342575967] [2019-11-23 23:04:36,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121341220] [2019-11-23 23:04:36,179 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 [2019-11-23 23:04:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:04:36,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:04:36,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:04:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-23 23:04:36,283 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:04:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-23 23:04:36,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [276587546] [2019-11-23 23:04:36,337 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-11-23 23:04:36,338 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:04:36,345 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:04:36,352 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:04:36,353 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:04:37,111 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2019-11-23 23:04:37,722 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-23 23:04:37,875 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2019-11-23 23:04:38,172 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-23 23:04:38,394 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 181 [2019-11-23 23:04:38,653 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2019-11-23 23:04:39,062 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-11-23 23:04:39,281 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 197 [2019-11-23 23:04:39,489 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2019-11-23 23:04:40,334 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-23 23:04:40,747 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2019-11-23 23:04:41,208 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 211 [2019-11-23 23:04:41,679 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-11-23 23:04:42,106 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2019-11-23 23:04:43,323 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2019-11-23 23:04:43,561 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-23 23:04:43,804 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2019-11-23 23:04:44,664 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2019-11-23 23:04:44,932 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 226 [2019-11-23 23:04:45,713 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-23 23:04:46,000 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2019-11-23 23:04:46,234 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 226 [2019-11-23 23:04:46,608 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-11-23 23:04:46,920 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2019-11-23 23:04:47,879 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2019-11-23 23:04:48,056 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2019-11-23 23:04:48,244 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2019-11-23 23:04:48,471 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-11-23 23:04:48,642 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2019-11-23 23:04:49,579 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2019-11-23 23:04:49,759 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2019-11-23 23:04:50,824 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-11-23 23:04:51,049 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2019-11-23 23:04:52,192 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2019-11-23 23:04:52,366 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2019-11-23 23:04:52,510 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2019-11-23 23:04:53,552 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 252 [2019-11-23 23:04:53,733 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2019-11-23 23:04:53,979 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2019-11-23 23:04:55,214 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2019-11-23 23:04:55,488 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2019-11-23 23:04:56,652 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2019-11-23 23:04:56,844 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2019-11-23 23:04:57,031 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-11-23 23:04:57,206 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 266 [2019-11-23 23:04:58,630 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2019-11-23 23:04:58,795 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 270 [2019-11-23 23:04:59,973 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2019-11-23 23:05:00,188 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 272 [2019-11-23 23:05:00,367 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2019-11-23 23:05:00,530 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 275 [2019-11-23 23:05:01,920 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2019-11-23 23:05:02,119 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 277 [2019-11-23 23:05:02,285 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-11-23 23:05:02,440 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 279 [2019-11-23 23:05:03,915 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-11-23 23:05:04,089 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 283 [2019-11-23 23:05:05,558 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2019-11-23 23:05:05,724 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2019-11-23 23:05:07,256 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-11-23 23:05:07,458 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-23 23:05:08,777 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 294 [2019-11-23 23:05:09,006 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2019-11-23 23:05:10,561 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 296 [2019-11-23 23:05:10,751 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 296 [2019-11-23 23:05:12,317 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-11-23 23:05:12,521 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 300 [2019-11-23 23:05:14,062 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-11-23 23:05:14,273 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 302 [2019-11-23 23:05:14,443 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-11-23 23:05:14,599 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 305 [2019-11-23 23:05:16,187 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 312 [2019-11-23 23:05:16,380 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 310 [2019-11-23 23:05:18,214 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-11-23 23:05:18,416 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 313 [2019-11-23 23:05:20,248 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-11-23 23:05:20,449 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 315 [2019-11-23 23:05:22,216 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 319 [2019-11-23 23:05:22,431 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 319 [2019-11-23 23:05:24,187 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 324 [2019-11-23 23:05:24,433 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 321 [2019-11-23 23:05:24,616 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:05:24,773 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2019-11-23 23:05:26,786 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-23 23:05:26,975 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2019-11-23 23:05:28,988 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-23 23:05:29,201 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 330 [2019-11-23 23:05:31,229 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-11-23 23:05:31,409 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 334 [2019-11-23 23:05:33,219 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 339 [2019-11-23 23:05:33,424 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 338 [2019-11-23 23:05:35,463 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 341 [2019-11-23 23:05:35,801 WARN L192 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2019-11-23 23:05:38,051 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 347 [2019-11-23 23:05:38,278 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 345 [2019-11-23 23:05:40,361 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 351 [2019-11-23 23:05:40,590 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 349 [2019-11-23 23:05:42,889 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-11-23 23:05:43,140 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 349 [2019-11-23 23:05:43,358 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-23 23:05:43,562 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 350 [2019-11-23 23:05:45,877 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 355 [2019-11-23 23:05:46,154 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 352 [2019-11-23 23:05:46,358 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-11-23 23:05:46,535 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 354 [2019-11-23 23:05:49,183 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2019-11-23 23:05:49,408 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 358 [2019-11-23 23:05:51,802 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 364 [2019-11-23 23:05:52,031 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 362 [2019-11-23 23:05:54,482 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 369 [2019-11-23 23:05:54,765 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 365 [2019-11-23 23:05:54,992 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2019-11-23 23:05:55,206 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 368 [2019-11-23 23:05:57,903 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2019-11-23 23:05:58,132 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 373 [2019-11-23 23:06:00,737 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 380 [2019-11-23 23:06:01,012 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 376 [2019-11-23 23:06:03,816 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2019-11-23 23:06:04,069 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 378