/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_copy9_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:06:11,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:06:11,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:06:11,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:06:11,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:06:11,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:06:11,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:06:11,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:06:11,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:06:11,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:06:11,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:06:11,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:06:11,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:06:11,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:06:11,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:06:11,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:06:11,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:06:11,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:06:11,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:06:11,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:06:11,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:06:11,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:06:11,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:06:11,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:06:11,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:06:11,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 23:06:11,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 23:06:11,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 23:06:11,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 23:06:11,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 23:06:11,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 23:06:11,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 23:06:11,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 23:06:11,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:06:11,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:06:11,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:06:11,617 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 23:06:11,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:06:11,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:06:11,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:06:11,632 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:06:11,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:06:11,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:06:11,634 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:06:11,634 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:06:11,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:06:11,634 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:06:11,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:06:11,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:06:11,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:06:11,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:06:11,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:06:11,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:06:11,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:06:11,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:06:11,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:06:11,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:06:11,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:06:11,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:06:11,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:06:11,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:06:11,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:06:11,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:06:11,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:06:11,642 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:06:11,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:06:11,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:06:11,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:06:11,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:06:11,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:06:11,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy9_ground-2.i [2019-11-23 23:06:11,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa56ac5ce/f320455159fc4832b71e74d36361ca39/FLAGd21c0b034 [2019-11-23 23:06:12,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:06:12,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy9_ground-2.i [2019-11-23 23:06:12,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa56ac5ce/f320455159fc4832b71e74d36361ca39/FLAGd21c0b034 [2019-11-23 23:06:12,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa56ac5ce/f320455159fc4832b71e74d36361ca39 [2019-11-23 23:06:12,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:06:12,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:06:12,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:06:12,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:06:12,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:06:12,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:12" (1/1) ... [2019-11-23 23:06:12,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1161453f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:12, skipping insertion in model container [2019-11-23 23:06:12,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:12" (1/1) ... [2019-11-23 23:06:12,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:06:12,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:06:13,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:06:13,058 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:06:13,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:06:13,192 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:06:13,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13 WrapperNode [2019-11-23 23:06:13,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:06:13,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:06:13,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:06:13,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:06:13,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:06:13,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:06:13,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:06:13,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:06:13,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (1/1) ... [2019-11-23 23:06:13,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:06:13,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:06:13,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:06:13,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:06:13,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (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 23:06:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:06:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:06:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:06:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:06:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:06:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:06:14,019 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:06:14,020 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-23 23:06:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:14 BoogieIcfgContainer [2019-11-23 23:06:14,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:06:14,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:06:14,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:06:14,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:06:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:12" (1/3) ... [2019-11-23 23:06:14,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa230d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:14, skipping insertion in model container [2019-11-23 23:06:14,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:13" (2/3) ... [2019-11-23 23:06:14,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa230d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:14, skipping insertion in model container [2019-11-23 23:06:14,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:14" (3/3) ... [2019-11-23 23:06:14,030 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_copy9_ground-2.i [2019-11-23 23:06:14,040 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:06:14,049 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:06:14,060 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:06:14,085 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:06:14,086 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:06:14,086 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:06:14,086 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:06:14,086 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:06:14,086 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:06:14,086 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:06:14,087 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:06:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-23 23:06:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-23 23:06:14,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:14,104 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:06:14,105 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:14,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:14,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1745559414, now seen corresponding path program 1 times [2019-11-23 23:06:14,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:14,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768154810] [2019-11-23 23:06:14,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:14,292 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 23:06:14,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768154810] [2019-11-23 23:06:14,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:06:14,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:06:14,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035047908] [2019-11-23 23:06:14,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:06:14,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:06:14,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:06:14,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:06:14,317 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-11-23 23:06:14,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:06:14,346 INFO L93 Difference]: Finished difference Result 33 states and 55 transitions. [2019-11-23 23:06:14,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:06:14,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-23 23:06:14,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:06:14,358 INFO L225 Difference]: With dead ends: 33 [2019-11-23 23:06:14,358 INFO L226 Difference]: Without dead ends: 17 [2019-11-23 23:06:14,361 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 23:06:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-23 23:06:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-23 23:06:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-23 23:06:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 27 transitions. [2019-11-23 23:06:14,401 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 27 transitions. Word has length 14 [2019-11-23 23:06:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:06:14,401 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 27 transitions. [2019-11-23 23:06:14,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:06:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-11-23 23:06:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 23:06:14,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:14,403 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:06:14,403 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:14,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:14,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1982875428, now seen corresponding path program 1 times [2019-11-23 23:06:14,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:14,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693878439] [2019-11-23 23:06:14,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:14,492 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 23:06:14,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693878439] [2019-11-23 23:06:14,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:06:14,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:06:14,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519353060] [2019-11-23 23:06:14,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:06:14,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:06:14,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:06:14,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:06:14,498 INFO L87 Difference]: Start difference. First operand 17 states and 27 transitions. Second operand 3 states. [2019-11-23 23:06:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:06:14,573 INFO L93 Difference]: Finished difference Result 39 states and 66 transitions. [2019-11-23 23:06:14,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:06:14,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-23 23:06:14,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:06:14,575 INFO L225 Difference]: With dead ends: 39 [2019-11-23 23:06:14,575 INFO L226 Difference]: Without dead ends: 26 [2019-11-23 23:06:14,576 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 23:06:14,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-23 23:06:14,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-23 23:06:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-23 23:06:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-23 23:06:14,583 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 15 [2019-11-23 23:06:14,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:06:14,584 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-23 23:06:14,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:06:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-23 23:06:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-23 23:06:14,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:06:14,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:06:14,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:06:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:06:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1982483602, now seen corresponding path program 1 times [2019-11-23 23:06:14,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:06:14,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985069704] [2019-11-23 23:06:14,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:06:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-23 23:06:14,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985069704] [2019-11-23 23:06:14,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206248965] [2019-11-23 23:06:14,708 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 23:06:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:06:14,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:06:14,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:06:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-23 23:06:14,847 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:06:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-23 23:06:14,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [901160617] [2019-11-23 23:06:14,913 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2019-11-23 23:06:14,919 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:06:14,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:06:14,938 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:06:14,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:06:16,943 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-11-23 23:06:17,281 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2019-11-23 23:06:17,593 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2019-11-23 23:06:17,923 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2019-11-23 23:06:18,261 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2019-11-23 23:06:18,642 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 277 [2019-11-23 23:06:19,104 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-11-23 23:06:19,473 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 293 [2019-11-23 23:06:19,844 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 293 [2019-11-23 23:06:20,521 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-11-23 23:06:20,880 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 309 [2019-11-23 23:06:21,332 WARN L192 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 309 [2019-11-23 23:06:22,181 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-23 23:06:22,592 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 323 [2019-11-23 23:06:23,017 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2019-11-23 23:06:23,512 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-23 23:06:23,939 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2019-11-23 23:06:24,359 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-23 23:06:24,726 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2019-11-23 23:06:25,922 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-11-23 23:06:26,848 WARN L192 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-11-23 23:06:27,345 WARN L192 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 335 [2019-11-23 23:06:28,948 WARN L192 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-23 23:06:29,405 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-11-23 23:06:29,848 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2019-11-23 23:06:30,964 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-11-23 23:06:31,320 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-11-23 23:06:31,670 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2019-11-23 23:06:32,888 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 349 [2019-11-23 23:06:33,367 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2019-11-23 23:06:34,611 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 350 [2019-11-23 23:06:34,981 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 350 [2019-11-23 23:06:36,331 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 353 [2019-11-23 23:06:36,691 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 353 [2019-11-23 23:06:38,144 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-23 23:06:38,552 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-11-23 23:06:39,006 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 355 [2019-11-23 23:06:39,345 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-23 23:06:39,649 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 357 [2019-11-23 23:06:40,969 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 362 [2019-11-23 23:06:41,353 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 361 [2019-11-23 23:06:42,679 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-11-23 23:06:43,057 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2019-11-23 23:06:43,481 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 363 [2019-11-23 23:06:43,866 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2019-11-23 23:06:44,277 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 366 [2019-11-23 23:06:45,823 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 372 [2019-11-23 23:06:46,319 WARN L192 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 370 [2019-11-23 23:06:47,579 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-11-23 23:06:47,965 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-23 23:06:48,391 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 374 [2019-11-23 23:06:49,964 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2019-11-23 23:06:50,367 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 379 [2019-11-23 23:06:52,492 WARN L192 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2019-11-23 23:06:52,952 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 383 [2019-11-23 23:06:54,671 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2019-11-23 23:06:55,100 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 387 [2019-11-23 23:06:56,672 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-11-23 23:06:57,104 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-23 23:06:57,596 WARN L192 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2019-11-23 23:06:58,000 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-23 23:06:58,344 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 389 [2019-11-23 23:07:00,216 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-23 23:07:00,616 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 393 [2019-11-23 23:07:02,422 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2019-11-23 23:07:02,854 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2019-11-23 23:07:04,869 WARN L192 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 405 [2019-11-23 23:07:05,357 WARN L192 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 400 [2019-11-23 23:07:05,786 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-23 23:07:06,206 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2019-11-23 23:07:08,013 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-11-23 23:07:08,451 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2019-11-23 23:07:08,984 WARN L192 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 403 [2019-11-23 23:07:09,357 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-23 23:07:09,742 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2019-11-23 23:07:11,914 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 410 [2019-11-23 23:07:12,397 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2019-11-23 23:07:12,845 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2019-11-23 23:07:13,318 WARN L192 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 409 [2019-11-23 23:07:15,704 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 417 [2019-11-23 23:07:16,190 WARN L192 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 413 [2019-11-23 23:07:18,329 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2019-11-23 23:07:18,771 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-11-23 23:07:19,225 WARN L192 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 417 [2019-11-23 23:07:21,331 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-23 23:07:21,761 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2019-11-23 23:07:22,221 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2019-11-23 23:07:24,574 WARN L192 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2019-11-23 23:07:25,093 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 425 [2019-11-23 23:07:27,469 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2019-11-23 23:07:27,933 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 428 [2019-11-23 23:07:30,252 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-11-23 23:07:30,716 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2019-11-23 23:07:31,208 WARN L192 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 432 [2019-11-23 23:07:33,961 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-23 23:07:34,439 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-11-23 23:07:34,993 WARN L192 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 433 [2019-11-23 23:07:35,401 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 434 [2019-11-23 23:07:35,827 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 435 [2019-11-23 23:07:38,483 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-11-23 23:07:38,999 WARN L192 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 440 [2019-11-23 23:07:41,760 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-11-23 23:07:42,265 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 442 [2019-11-23 23:07:42,688 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2019-11-23 23:07:43,149 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 442 [2019-11-23 23:07:43,628 WARN L192 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-11-23 23:07:44,069 WARN L192 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 445 [2019-11-23 23:07:46,999 WARN L192 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 449